BS EN 729-4:1995 Quality requirements for welding. Fusion welding of metallic materials - Part 4. Elementary quality requirements
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This standard has been prepared such that:
- it is independent of the type of welded construction to be manufactured;
- it defines quality requirements for welding both in workshops and on site;
- it provides guidance for describing a manufacturer's capability to produce welded constructions to
meet specified requirements;
- it may also be used as a basis for assessing the manufacturer in respect to his welding capability.
The standard is appropriate when demonstration of a manufacturer's capability to produce welded construction, fulfilling specified quality requirements, are specified in one or more of the following:
- a contract between involved parties;
- an application standard;
- a regulatory requirement.
The requirements contained within this standard may be adopted in full or may be selectively deleted by the manufacturer if not applicable to the construction concerned. They provide a flexible framework for the control of welding in the following cases:
- Case 1
To provide specific requirements for fusion welding in contracts which require the manufacturer to have a quality system other than EN 29001 or EN 29002 and where the documented welding control has a minor importance to the overall integrity of the final construction.
- Case 2
To provide specific requirements for fusion welding as guidance to a manufacturer developing a quality system.
- Case 3
To provide specific requirements for references in application standards which uses fusion welding as part of its requirements or in a contract between relevant parties.
