CEN/TC 121/SC 1 - Specification and qualification of welding procedures for metallic materials
Standardization of requirements for the specification and the qualification of welding procedures, of the conditions of test, and of requirements for qualification approval within the limits of applicability of the qualified welding procedures.
Specification and qualification of welding procedures for metallic materials
Standardization of requirements for the specification and the qualification of welding procedures, of the conditions of test, and of requirements for qualification approval within the limits of applicability of the qualified welding procedures.
General Information
This Technical Report provides cross references between the grouping of materials specified in CEN ISO TR 15608 and American standards for materials
- Technical report62 pagesEnglish languagesale 10% offe-Library read for1 day
This Technical Report provides cross references between the grouping of materials specified in CEN ISO TR 15608 and European standards for materials.
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This standard specifies requirements for the content of welding procedure specifications for laser beam welding processes.
This standard is part of a series of standards, details of this series are given in EN ISO 15607:2003, annex A.
Variables listed in this standard are those influencing the quality and properties of the welded joint.
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This technical report provides a uniform system for grouping of materials for welding purposes. It may also apply for other purposes as post treatment, forming, non-destructive testing, etc.
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This standard specifies how a welding procedure specification is approved by welding procedure tests for on land and offshore site butt welding of transmission pipelines under normal atmospheric conditions. Tests are carried out in accordance with this standard unless additional tests (e.g. CTOD tests and all weld metal tensile tests) are specified by the relevant application standard or contract when these apply. This standard defines the conditions for the execution of welding procedure approval tests and the limits of validity of an approved welding procedure for all practical welding operations within the range of variables listed in clause 8. It applies to the arc welding of steels of groups 1, 2 and 3 according to CR 12187.The principles of this standard can be applied to other fusion welding processes subject to agreement between the contracting parties. The requirements for welding procedure specification and qualification for hyperbaric and "wet" welding are not covered by this supplementary standard. Arc welding is covered by the following processes in accordance with EN 24063 : 111 - metal-arc welding with covered electrode; 114 - flux-cored wire metal-arc welding without gas shield; 121 - submerged arc welding with wire electrode; 131 - metal-arc inert gas welding, MIG - welding; 135 - metal-arc active gas welding, MAG-welding; 136 - flux-cored wire metal-arc welding with active gas shield; 141 - tungsten inert gas arc welding, TIG-welding. Other fusion welding processes by agreement e.g. metal cored wire arc welding.
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- Corrigendum2 pagesEnglish, French and German languagesale 10% offe-Library read for1 day
This standard specifies how a welding procedure specification is approved by welding procedure tests. It defines the conditions for the execution of welding procedure approval tests and the limits of validity of an approved welding procedure for all practical welding operations within the range of variables listed in clause 8. Tests shall be carried out in accordance with this standard unless more severe tests are specified by the relevant application standard or contract, when they shall be applied. This standard applies to the arc welding of wrought aluminium and its weldable alloys according to EN 515 1) and EN 573-3 1). In this standard the term aluminium stands for aluminium and its alloys. The principles of this standard may be applied to other fusion welding processes subject to agreement between the contracting parties. Note: Specific service, material or manufacturing conditions may require more comprehensive testing than is specified by this standard in order to gain more information and to avoid repeating the welding procedure test at a later date just to obtain additional test data. Such tests may include: - longitudinal weld tensile test; - weld bend test or special bend test to measure elongation; - Charpy V-notch impact test; - 0,2 % proof stress; - elongation; - chemical analysis. Arc welding is covered by the following processes in accordance with EN 24063:1) 131 - metal-arc inert gas welding (MIG welding); 141 - tungsten inert gas arc wedling (TIG welding); 15 - plasma arc welding; other fusion welding processes by agreement. 1. The reference was modified by Amendment A1 :1997
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This standard specifies requirements for the contents of welding procedure specifications for arc welding processes. The principles of this standard may be also applied to other fusion welding processes subject to agreement between the contracting parties. Variables listed in this standard are those influencing the metallurgy, mechanical properties and the geometry of the assembly.
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This standard specifies the conditions for approval of welding procedure based on pre-production welding tests in accordance with EN 288-1. In addition it gives the range of approval and the validity. This standard is applicable to fusion welding of metallic materials. Any other welding processes can be accepted by agreement between the contracting parties. The use of this standard can be restricted by an application standard or at the inquiry/order stage by contracting parties.
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This standard specifies how a welding procedure specification is approved by welding procedure tests. It defines the conditions for the execution of welding procedure approval tests and the limits of validity of an approved welding procedure for all practical welding operations within the range of variables listed in clause 8. Tests shall be carried out in accordance with this standard unless more severe tests are specified by the relevant application standard or contract when these shall apply. This standard applies to the arc welding of steels. The principles of this standard may be applied to other fusion welding processes subject to agreement between the contracting parties. Note: Specific service, material or manufacturing conditions may require more comprehensive testing than is specified by this standard in order to gain more information and to avoid repeating the welding procedure test at a later date just to obtain additional test data. Such tests may include: - longitudinal weld tensile test; - all weld metal bend test; - Charpy V-notch impact test; - yield strength or 0,2 % proof stress; - elongation; - chemical analysis; - micro examination; - delta ferrite determination in austenitic stainless steels. Arc welding is covered by the following processes in accordance with EN 24063: 111 - metal-arc welding with covered electrode; 114 - flux-cored wire metal-arc welding without gas shield; 121 - submerged arc welding with wire electrode;1) 122 - submerged arc welding with strip electrode;1) 131 - metal-arc inert gas welding (MIG welding); 135 - metal-arc active gas welding (MAG welding); 136 - flux-cored wire metal-arc welding with active gas shield; 141 - tungsten inert gas arc welding (TIG welding); 15 - plasma arc welding; other fusion welding processes by agreement e.g. metal cored wire arc welding. 1. As modified by Amendment A1 :1997
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This standard defines the conditions for the approval of a standard welding procedure and establishes the conditions, limits and ranges of approval necessary for the use of standard welding procedures. The use of a standard of welding procedure can be restricted by an application standard or at the enquiry/order stage by contracting parties.
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This standard specifies the conditions for approval of a welding procedure based on previous experience according to EN 288-1. In addition it gives the range of approval and the validity. This standard applies to fusion welding of metallic materials. The process numbers refer to EN 24063. Essentially this standard covers the following processes: 111 : Metal arc welding with covered electrode 114 : Flux cored metal-arc welding without gas shield 121 : Submerged arc welding with wire electrode 122 : Submerged arc welding with strip electrode 131 : Metal-arc inert gas welding; MIG-welding 135 : Metal-arc active gas welding; MAG-welding 136 : Flux cored wire metal-arc welding with active gas shield 137 : Flux cored wire metal-arc welding with inert gas shield 141 : Tungsten inert-gas arc welding; TIG-welding 15 : Plasma arc welding Other welding processes may be accepted by agreement when sufficient experience is available. The use of this standard may be restricted by an application standard or at the enquiry/order stage by the contracting parties.
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This standard defines general rules for the specification and approval of welding procedures for metallic materials. This standard also refers to several other standards as regards detailed rules for specific applications. It is assumed that the welding procedure specifications are used in production by competent welders, approved in accordance with the relevant part of EN 287. (.)1) This standards applies when approval of the welding procedure is required e.g. by either contract, standards, rules or legal requirements. The use of a particular method of approval of a welding procedure is often a mandatory requirement of an application standard. In the absence of such a requirement the method of approval shall be agreed between the contracting parties at the enquiry or at the order stage. 1) This paragraph in EN 288-1 :1992 was deleted by Amendment A1 :1997
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This standard simplifies the approval of welding procedures especially for repetitive operations. This standard gives the necessary information to explain the requirements referenced in EN 288-1 about the approval of welding procedures using approved consumables. In addition it gives the range of approval and the validity. This standard applies to fusion welding of metallic materials. The process numbers refer to EN 24063. Essentially this standard covers the processes with cosumables given in table 1. [The scope of the complete standard includes a table of applicable welding processes.] Other fusion welding processes may be accepted by agreement between contracting parties. It is intended for application to parent metals hich produce acceptable micro structures and properties in the heat affected zone which do not deteriorate significantly in service. This standard is not applicable where hardness or impact properties, preheating, control heat input, interpass temperature and post-weld heat-treatment are specified. The use of this standard may also be restricted by an application standard or at the inquiry/order stage by contracting parties.
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