This standard specifies the manufacture and acceptance requirements of boiler forging. This standard is applicable to the fixed hot water boiler and the fixed steam boiler whose rated steam pressure is not larger than 13.7MPa and rated vapor temperature is not larger than 540℃, also, the standard may be adopted in steam boiler of subcritical pressure.
2. Normative ReferencesThe following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below.