This standard specifies code name, order content, dimension, appearance, weight and permissible variation of the welded steel H-section, as well as technical requirements, welding inspection, test rules, reinspection rules, packaging, marking and quality certificate etc.
This standard is applicable to the welded steel H-section for industrial and civil buildings, structures and other steel structures. Type series specified in this standard are applicable to column, beam, pile, industrial frame and other members of steel structure.
This standard is applicable to design adoption, production and acceptance of all sorts of welded steel H-section structures.
2 Normative references
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigenda contents), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document referred to applies.