1 Scope
This standard stipulates classification, code, shape, dimension, permissible variation, technical requirements, test methods, test rules, packing, marking and certification for cold drawn shaped steel tubes.
This standard is applicable to structural simple section shaped steel tubes (steel tube for short) made by carbon construction steel, carbon constructional quality steel and low-alloy high-tensile structural steel.
2 Normative references
The following normative documents contain provision which, through reference in this text, constitute provisions of this national 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 most recent editions of the sandards indicated below.
