Refers to taper dimensions and tolerances for electrode caps, electrode adaptors, electrode holders and similar parts, where the electrode force Fmax, given for diameter d1 in tables 1, 2 and 3 is not exceeded. Establishes dimensions, designation and marking. Cancels and replaces ISO Recommendation R 1089-1969, of which it constitutes a technical revision.

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This document prescribes requirements for the classification of nickel and nickel-alloy covered
electrodes for manual metal arc welding and overlaying. The classification of the covered electrodes is
based on the chemical composition of their deposited all-weld metal. It includes those compositions in
which the nickel content exceeds that of any other element.

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IEC 62822-3:2023 applies to equipment for resistance welding and allied processes designed for occupational use by professionals and for use by laymen.
More generally, this document covers equipment for which the welding current flows in an electrical circuit whose geometry cannot be changed and regardless of the technology of the current generator (for example LF-AC, MF-DC for spot or seam welding or capacitive discharge used for stud welding).
This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) inclusion of the uncertainties in the results of the assessment;
b) simplification of the methods of exposure assessment.

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Specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four classes, these being based on customary workshop accuracy. The main criterion for the selection of a particular class should be the functional requirements.

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This Standard specifies the processing and quality assurance requirements for
brazing processes for space flight applications. Brazing is understood as the
joining and sealing of materials by means of a solidification of a liquid filler
metal.
The term brazing in this standard is used as equivalent to soldering, in cases that
the filler materials have liquidus temperatures below 450 °C.
Brazing and soldering are allied processes to welding and this standard is
supplementing the standard for welding ECSS-Q-ST-70-39.
This standard does not cover requirements for:
• Joining processes by adhesive bonding (ECSS-Q-ST-70-16),
• Soldering for electronic assembly purposes (ECSS-Q-ST-70-61),
• Soldering used in hybrid manufacturing (ESCC 2566000).
The standard covers but is not limited to the following brazing processes:
• Torch brazing,
• Furnace brazing,
• Dip Brazing and Salt-bath brazing,
• Induction Brazing.
This Standard does not detail the brazing definition phase and brazing pre-
verification phase, including the derivation of design allowables.
This standard may be tailored for the specific characteristic and constraints of a
space project in conformance with ECSS-S-ST-00.

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This document specifies requirements for classification of covered electrodes, based on the all-weld metal chemical composition, the type of electrode covering and other electrode properties, and the all-weld metal mechanical properties, in the as-welded or heat-treated conditions, for manual metal arc welding of stainless and heat-resisting steels.
This document is a combined standard providing for classification utilizing a system based upon classification according to nominal composition or utilizing a system based upon classification according to alloy type.
a)       Paragraphs and tables which carry the label “classification according to nominal composition-A” or “ISO 3581-A” are applicable only to products classified to that system.
b)       Paragraphs and tables which carry the label “classification according to alloy type-B” or “ISO 3581-B” are applicable only to products classified to that system.
c)        Paragraphs and tables which carry neither label are applicable to products classified according to either or both systems.
Annex B gives information on considerations on weld metal ferrite content.

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This document specifies requirements for classification of covered electrodes, based on the all-weld metal chemical composition, the type of electrode covering and other electrode properties, and the all-weld metal mechanical properties, in the as-welded or heat-treated conditions, for manual metal arc welding of stainless and heat-resisting steels. This document is a combined standard providing for classification utilizing a system based upon classification according to nominal composition or utilizing a system based upon classification according to alloy type. a) Paragraphs and tables which carry the label “classification according to nominal composition-A” or “ISO 3581-A” are applicable only to products classified to that system. b) Paragraphs and tables which carry the label “classification according to alloy type-B” or “ISO 3581-B” are applicable only to products classified to that system. c) Paragraphs and tables which carry neither label are applicable to products classified according to either or both systems. Annex B gives information on considerations on weld metal ferrite content.

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This document prescribes requirements for the classification of nickel and nickel-alloy covered
electrodes for manual metal arc welding and overlaying. The classification of the covered electrodes is
based on the chemical composition of their deposited all-weld metal. It includes those compositions in
which the nickel content exceeds that of any other element.

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This document prescribes requirements for the classification of nickel and nickel-alloy covered electrodes for manual metal arc welding and overlaying. The classification of the covered electrodes is based on the chemical composition of their deposited all-weld metal. It includes those compositions in which the nickel content exceeds that of any other element.

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This document specifies the dimensions and tolerances of taper fits between the following:
—     straight electrodes and electrode holders;
—     electrode adapters connecting electrode caps and electrode holders;
—     female electrode caps and electrode adapters;
—     male electrode caps and electrode adapters.
NOTE            Electrode holders and electrode caps utilizing locking tapers are addressed in ISO 20168.

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This document specifies the dimensions and tolerances of taper fits between the following: — straight electrodes and electrode holders; — electrode adapters connecting electrode caps and electrode holders; — female electrode caps and electrode adapters; — male electrode caps and electrode adapters. NOTE Electrode holders and electrode caps utilizing locking tapers are addressed in ISO 20168.

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IEC 62822-3:2023 applies to equipment for resistance welding and allied processes designed for occupational use by professionals and for use by laymen. More generally, this document covers equipment for which the welding current flows in an electrical circuit whose geometry cannot be changed and regardless of the technology of the current generator (for example LF-AC, MF-DC for spot or seam welding or capacitive discharge used for stud welding). This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) inclusion of the uncertainties in the results of the assessment; b) simplification of the methods of exposure assessment.

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2021-04-21: This EN is based on ECSS-Q-ST-70-40C

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This document defines terms in the field of welding on railway vehicles and associated components. This document is applicable to all assemblies, sub-assemblies or parts welded by any welding process, either manual, partly mechanized, fully mechanized or automatic welding as defined in EN ISO 4063.

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This document specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, based on customary workshop accuracy. The main criterion for selection of a particular tolerance class is based on the functional requirements which are to be met.
The applicable tolerances are always those which are stated in the drawing. Instead of specifying individual tolerances the tolerance classes according to this document can be used.
General tolerances for linear and angular dimensions and for shape and position as specified in this document apply for weldments, welding assemblies, welded structures, etc.
Special provisions can be necessary for complex structures.
The specifications given in this document are based on the independency principle of ISO 8015, according to which the dimensional and geometrical tolerances apply independently of each other.
Manufacturing documentation in which linear and angular dimensions or indications for shape and position are presented without individually indicated tolerances shall be deemed incomplete if there is no, or inadequate, reference to general tolerances. This does not apply to temporary dimensions.

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This document specifies requirements for classification of solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys. The classification of the solid wire electrodes, solid strip electrodes, solid wires and solid rods is based on their chemical composition. It includes those compositions in which the nickel content exceeds that of any other element.
The principles of this document can be applied to metal powders for cladding, hard facing and additive manufacturing.

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This document establishes a nomenclature for:
—    welding;
—    brazing, soldering and weld brazing;
—    thermal cutting;
with each process identified by a reference number.
It covers the main processes (one digit), groups (two digits) and sub-groups (three digits). The reference number for any process has a maximum of three digits. This system is intended as an aid in computerization and the drafting of, for example, drawings, working papers and welding procedure specifications, and enables the uniform international designation of the processes.
This document does not cover all process variants. The process numbers can be supplemented with additional information for variants not listed.

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This document defines terms in the field of welding on railway vehicles and associated components. This document is applicable to all assemblies, sub-assemblies or parts welded by any welding process, either manual, partly mechanized, fully mechanized or automatic welding as defined in EN ISO 4063.

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This document specifies safety requirements for transparent welding curtains, strips and screens to be used in workplaces where arc welding is taking place. They are intended to provide protection against harmful levels of optical radiation and spatter for workers who are in the vicinity of arc welding processes but not involved in the welding itself. They are intended to reduce the discomfort glare from the arc but also allow sufficient luminous transmittance to permit a view into the workspace behind.
The transparent welding curtains can also be used in other applications as long as the UV- and blue-light emissions are less than in arc welding and the transmitted infrared irradiance is below applicable exposure limits. They are designed to be used at a distance from the arc of at least 1 m.
Welding curtains, strips and screens specified in this document are not intended to replace welding filters. For intentional viewing of welding arcs, other means of protection are used, see ISO 16321-1 and ISO 16321-2.
This document is not applicable to protection against laser radiation, for which ISO 19818-1 applies.

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ISO 17663:2009 provides quality requirements for heat treatment in air or controlled atmospheres carried out in workshops and on site in connection with welding and forming. It applies mainly to ferritic steels, but can be used for other materials, as appropriate.
ISO 17663:2009 provides guidance for manufacturers that perform heat treatment or produce heat-treated products or components. ISO 17663:2009 can also be used as a basis for assessing the manufacturer in respect to its heat treatment capability.
ISO 17663:2009 is intended to be a flexible framework for the control of heat treatment processes. The fulfilment of a requirement can be waived where justification can be provided that a specific requirement is not applicable to a specific process.

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This document specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, based on customary workshop accuracy. The main criterion for selection of a particular tolerance class is based on the functional requirements which are to be met. The applicable tolerances are always those which are stated in the drawing. Instead of specifying individual tolerances the tolerance classes according to this document can be used. General tolerances for linear and angular dimensions and for shape and position as specified in this document apply for weldments, welding assemblies, welded structures, etc. Special provisions can be necessary for complex structures. The specifications given in this document are based on the independency principle of ISO 8015, according to which the dimensional and geometrical tolerances apply independently of each other. Manufacturing documentation in which linear and angular dimensions or indications for shape and position are presented without individually indicated tolerances shall be deemed incomplete if there is no, or inadequate, reference to general tolerances. This does not apply to temporary dimensions.

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This document specifies three test methods for investigating brazeability.
A spreading test shows testing method with measurement of the spread area of the filler metals.
A T-joint test describes a scheme to construct a T-shape design by the test pieces and a testing method.
A varying gap test describes a test piece and a testing method for assessing the influence of the various parameters which can influence brazing during manufacture as a function of clearances.

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IEC 62822-3:2023 applies to equipment for resistance welding and allied processes designed for occupational use by professionals and for use by laymen.
More generally, this document covers equipment for which the welding current flows in an electrical circuit whose geometry cannot be changed and regardless of the technology of the current generator (for example LF-AC, MF-DC for spot or seam welding or capacitive discharge used for stud welding).
This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) inclusion of the uncertainties in the results of the assessment;
b) simplification of the methods of exposure assessment.

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This document specifies the requirements for laser welded tailored blanks (LWB) made of steels for all cold or hot forming processes.
This document applies to all steel grades with or without metallic and/or organic coatings, having uniform or different sheet thickness, welded with or without extra material addition.
After the welding process, LWB are further processed to pressed parts by forming operations under the responsibility of the processor.

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This document specifies safety requirements for transparent welding curtains, strips and screens to be used in workplaces where arc welding is taking place. They are intended to provide protection against harmful levels of optical radiation and spatter for workers who are in the vicinity of arc welding processes but not involved in the welding itself. They are intended to reduce the discomfort glare from the arc but also allow sufficient luminous transmittance to permit a view into the workspace behind.
The transparent welding curtains can also be used in other applications as long as the UV- and blue-light emissions are less than in arc welding and the transmitted infrared irradiance is below applicable exposure limits. They are designed to be used at a distance from the arc of at least 1 m.
Welding curtains, strips and screens specified in this document are not intended to replace welding filters. For intentional viewing of welding arcs, other means of protection are used, see ISO 16321-1 and ISO 16321-2.
This document is not applicable to protection against laser radiation, for which ISO 19818-1 applies.

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This document specifies three test methods for investigating brazeability.
A spreading test shows testing method with measurement of the spread area of the filler metals.
A T-joint test describes a scheme to construct a T-shape design by the test pieces and a testing method.
A varying gap test describes a test piece and a testing method for assessing the influence of the various parameters which can influence brazing during manufacture as a function of clearances.

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This document specifies requirements for classification of solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys. The classification of the solid wire electrodes, solid strip electrodes, solid wires and solid rods is based on their chemical composition. It includes those compositions in which the nickel content exceeds that of any other element.
The principles of this document can be applied to metal powders for cladding, hard facing and additive manufacturing.

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This document provides quality requirements for heat treatment in air or controlled atmospheres carried out in workshops and on site in connection with welding and forming. It applies mainly to ferritic steels but can be used for other materials as appropriate.
This document provides guidance for manufacturers that perform heat treatment or produce heat-treated products or components. This document can also be used as a basis for assessing the manufacturer in respect to its heat treatment capability.
The fulfilment of a requirement can be waived where justification can be provided that a specific requirement is not applicable to a specific process. This document is intended to be a flexible framework to provide:
—    specific requirements for heat treatment by manufacturers in order to have a quality system in accordance with ISO 9001;
—    specific requirements for heat treatment in specifications which require the manufacturer to have a quality system other than ISO 9001;
—    specific guidance for a manufacturer developing a quality control system for heat treatment;
—    specific guidance for post-weld heat treatment for manufacturers adopting ISO 3834-2 or ISO 3834‑3;
—    detailed requirements for specifications, regulations or product standards that require control of heat treatment activities.

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This document specifies safety requirements for transparent welding curtains, strips and screens to be used in workplaces where arc welding is taking place. They are intended to provide protection against harmful levels of optical radiation and spatter for workers who are in the vicinity of arc welding processes but not involved in the welding itself. They are intended to reduce the discomfort glare from the arc but also allow sufficient luminous transmittance to permit a view into the workspace behind. The transparent welding curtains can also be used in other applications as long as the UV- and blue-light emissions are less than in arc welding and the transmitted infrared irradiance is below applicable exposure limits. They are designed to be used at a distance from the arc of at least 1 m. Welding curtains, strips and screens specified in this document are not intended to replace welding filters. For intentional viewing of welding arcs, other means of protection are used, see ISO 16321-1 and ISO 16321-2. This document is not applicable to protection against laser radiation, for which ISO 19818-1 applies.

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This document specifies requirements for classification of solid wire electrodes, solid strip electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys. The classification of the solid wire electrodes, solid strip electrodes, solid wires and solid rods is based on their chemical composition. It includes those compositions in which the nickel content exceeds that of any other element. The principles of this document can be applied to metal powders for cladding, hard facing and additive manufacturing.

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This document provides quality requirements for heat treatment in air or controlled atmospheres carried out in workshops and on site in connection with welding and forming. It applies mainly to ferritic steels but can be used for other materials as appropriate. This document provides guidance for manufacturers that perform heat treatment or produce heat-treated products or components. This document can also be used as a basis for assessing the manufacturer in respect to its heat treatment capability. The fulfilment of a requirement can be waived where justification can be provided that a specific requirement is not applicable to a specific process. This document is intended to be a flexible framework to provide: — specific requirements for heat treatment by manufacturers in order to have a quality system in accordance with ISO 9001; — specific requirements for heat treatment in specifications which require the manufacturer to have a quality system other than ISO 9001; — specific guidance for a manufacturer developing a quality control system for heat treatment; — specific guidance for post-weld heat treatment for manufacturers adopting ISO 3834-2 or ISO 3834‑3; — detailed requirements for specifications, regulations or product standards that require control of heat treatment activities.

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This document applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their components.
This document specifies applicable design and classification rules.
This document does not define parameters for the dimensioning.
NOTE   Requirements on structures can be found in other standards like EN 12663.

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This document specifies the procedures of visual testing and ultrasonic testing of rail welds in track for rail profiles meeting the requirements of EN 13674-1.
This document specifies the principles for testing procedures for manufactured welds. This document defines the procedure for joint welds and repair welds. This document does not define the number of welds to be tested.
This document is not concerned with the approval of the welding procedure.

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This document specifies a method for making transverse root, face and side bend tests on test specimens taken from butt welds, butt welds with cladding (subdivided into welds in clad plates and clad welds) and cladding without butt welds, in order to reveal imperfections on or near the surface of the test specimen which is under tension during bend testing and/or assess ductility. It also gives the dimensions of the test specimen.
In addition, this document specifies methods to be used instead of transverse bend tests with a former for welded joints when base materials, heat affected zones and/or weld metal have a significant difference in their physical and mechanical properties in relation to bending.
This document applies to metallic materials in all forms of product with welded joints made by any welding process.

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This document specifies how a welding procedure can be qualified by using tested welding consumable data. It expands on the requirements given in ISO 15607.
In addition, it gives the range of qualification.
Application of this document is limited to parent material groups 1.1, 8.1, 21, 22.1 and 22.2 in accordance with ISO/TR 15608, which produce acceptable microstructures and properties in the heat-affected zone which do not deteriorate significantly in service.
This document is limited to:
—    parent material thicknesses t ≤ 40 mm (groups 1.1 and 8.1) and t ≤ 20 mm (groups 21, 22.1 and 22.2);
—    fillet welds with throat thickness a ≥ 1 mm.
This document is not applicable when any of the following is specified for the welded joint:
a)      hardness;
b)      impact properties;
c)       preheating;
d)      controlled heat input;
e)      interpass temperature;
f)       post-weld heat treatment.
The use of this document can also be restricted by an application standard, specification or other documents.

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This document specifies the procedures of visual testing and ultrasonic testing of rail welds in track for rail profiles meeting the requirements of EN 13674-1.
This document specifies the principles for testing procedures for manufactured welds. This document defines the procedure for repair welds and joint welds. This document does not define the number of welds to be tested.
This document is not concerned with the approval of the welding procedure.

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This document establishes a nomenclature for:
—    welding;
—    brazing, soldering and weld brazing;
—    thermal cutting;
with each process identified by a reference number.
It covers the main processes (one digit), groups (two digits) and sub-groups (three digits). The reference number for any process has a maximum of three digits. This system is intended as an aid in computerization and the drafting of, for example, drawings, working papers and welding procedure specifications, and enables the uniform international designation of the processes.
This document does not cover all process variants. The process numbers can be supplemented with additional information for variants not listed.

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This document specifies a list of procurement specifications and standards for welding products authorized for the welding of parts.

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This document applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their components.
This document specifies applicable design and classification rules.
This document does not define parameters for the dimensioning.
NOTE   Requirements on structures can be found in other standards like EN 12663.

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This document specifies quality levels of imperfections in fusion-welded joints (except for beam welding) in all types of steel, nickel, titanium and their alloys. It applies to material thickness ≥ 0,5 mm. It covers fully penetrated butt welds and all fillet welds. Its principles can also be applied to partial-penetration butt welds.
Quality levels for beam-welded joints in steel are presented in ISO 13919-1.
Three quality levels are given in order to permit application to a wide range of welded fabrication. They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement on the finished weld.
Several types of loads are considered, e.g. static load, thermal load, corrosion load, pressure load. Additional guidance on fatigue loads is given in Annex B.
The quality levels refer to production and good workmanship.
This document is applicable to:
a)       non-alloy and alloy steels;
b)       nickel and nickel alloys;
c)        titanium and titanium alloys;
d)       manual, mechanized and automatic welding;
e)       all welding positions;
f)         all types of welds, e.g. butt welds, fillet welds and branch connections;
g)       the following welding processes and their sub-processes, as defined in ISO 4063:
—     11 metal arc welding without gas protection;
—     12 submerged arc welding;
—     13 gas-shielded metal arc welding;
—     14 gas-shielded arc welding with non-consumable tungsten electrode;
—     15 plasma arc welding;
—     31 oxyfuel gas welding (for steel only).
Metallurgical aspects, such as grain size and hardness, are not covered by this document.

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This series of standards applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their parts.
This part of the series defines the classification levels as well as the requirements for manufacturers of welded railway vehicles and components.
This part of the series specifies:
- inspections and testing to be executed on the welds;
- destructive as well as non-destructive tests to be performed;
- necessary documentation to issue to declare the conformity of the products.

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This series of standards applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their parts.
This part of the series describes the production requirements (i.e. preparation and execution) of the welding work.

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This document specifies quality levels of imperfections in fusion-welded joints (except for beam welding) in all types of steel, nickel, titanium and their alloys. It applies to material thickness ≥ 0,5 mm. It covers fully penetrated butt welds and all fillet welds. Its principles can also be applied to partial-penetration butt welds.
Quality levels for beam-welded joints in steel are presented in ISO 13919-1.
Three quality levels are given in order to permit application to a wide range of welded fabrication. They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement on the finished weld.
Several types of loads are considered, e.g. static load, thermal load, corrosion load, pressure load. Additional guidance on fatigue loads is given in Annex B.
The quality levels refer to production and good workmanship.
This document is applicable to:
a)       non-alloy and alloy steels;
b)       nickel and nickel alloys;
c)        titanium and titanium alloys;
d)       manual, mechanized and automatic welding;
e)       all welding positions;
f)         all types of welds, e.g. butt welds, fillet welds and branch connections;
g)       the following welding processes and their sub-processes, as defined in ISO 4063:
—     11 metal arc welding without gas protection;
—     12 submerged arc welding;
—     13 gas-shielded metal arc welding;
—     14 gas-shielded arc welding with non-consumable tungsten electrode;
—     15 plasma arc welding;
—     31 oxyfuel gas welding (for steel only).
Metallurgical aspects, such as grain size and hardness, are not covered by this document.

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This series of standards applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their parts.
This part of the series defines the classification levels as well as the requirements for manufacturers of welded railway vehicles and components.
This part of the series specifies:
- inspections and testing to be executed on the welds;
- destructive as well as non-destructive tests to be performed;
- necessary documentation to issue to declare the conformity of the products.

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This document specifies a list of procurement specifications and standards for welding products authorized for the welding of parts.

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This series of standards applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their parts.
This part of the series describes the production requirements (i.e. preparation and execution) of the welding work.

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This document establishes a nomenclature for: — welding; — brazing, soldering and weld brazing; — thermal cutting; with each process identified by a reference number. It covers the main processes (one digit), groups (two digits) and sub-groups (three digits). The reference number for any process has a maximum of three digits. This system is intended as an aid in computerization and the drafting of, for example, drawings, working papers and welding procedure specifications, and enables the uniform international designation of the processes. This document does not cover all process variants. The process numbers can be supplemented with additional information for variants not listed.

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This document defines the requirements for the ordering, manufacture, testing, inspection and delivery of all forms of filler metal. It shall be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule.

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This document specifies quality levels of imperfections in fusion-welded joints (except for beam welding) in all types of steel, nickel, titanium and their alloys. It applies to material thickness ≥ 0,5 mm. It covers fully penetrated butt welds and all fillet welds. Its principles can also be applied to partial-penetration butt welds. Quality levels for beam-welded joints in steel are presented in ISO 13919-1. Three quality levels are given in order to permit application to a wide range of welded fabrication. They are designated by symbols B, C and D. Quality level B corresponds to the highest requirement on the finished weld. Several types of loads are considered, e.g. static load, thermal load, corrosion load, pressure load. Additional guidance on fatigue loads is given in Annex B. The quality levels refer to production and good workmanship. This document is applicable to: a) non-alloy and alloy steels; b) nickel and nickel alloys; c) titanium and titanium alloys; d) manual, mechanized and automatic welding; e) all welding positions; f) all types of welds, e.g. butt welds, fillet welds and branch connections; g) the following welding processes and their sub-processes, as defined in ISO 4063: — 11 metal arc welding without gas protection; — 12 submerged arc welding; — 13 gas-shielded metal arc welding; — 14 gas-shielded arc welding with non-consumable tungsten electrode; — 15 plasma arc welding; — 31 oxyfuel gas welding (for steel only). Metallurgical aspects, such as grain size and hardness, are not covered by this document.

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This document defines the requirements for the ordering, manufacture, testing, inspection and delivery of all forms of filler metal. It shall be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule.

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