Guidelines of this standard describe welding quality requirements that are fit for enterprises that take welding as a sort of production method. Putting forward these requirements of welding quality make it is applicable to production of welded construction of any fusion welding. Furthermore these requirements only have relation with quality factors which may be influenced by welding and relevant technology of ultimate structure.
This guideline specifies quality requirements during welding production in workshop and site, and provide guide for describing enterprise's ability for producing welded construction of specified quality. This guideline also can be used by any concerned side as foundation of evaluating welding quality measures of an enterprise.
This guideline also can be used to guide formulating general rule or contract requirement and welding requirements of quality system which enterprise manager thought is related to welded construction type. This guideline shall not solely make up general rule, contract or requirement of management.
This guideline can be used to the following purpose:
a) Providing explanation of requirements of GB/T 19000 series standards, and guiding provisions of quality system related to welding (considered as special technology) control and establishment;
b) Provide guideline for establishing welding quality requirements and provisions that GB/T 19001 and GB/T 19002 quality system didn't contain;
c) Evaluating welding quality requirements concerned in aforesaid a) or b).Its application will typically appear under the following condition:
- Under contract condition: determine welding requirements of quality system;
- By manufacturer: establish and retain welding quality requirement;
- By committee formulating structure specification or other application standards: determine welding quality requirement;
—by administrative organization of each side interested in, namely that of third party, customer or manufacturer: evaluate welding quality requirement.
GB/T 12467.1-1998 The following standards are cited: