1. Scope
This Standard specifies the classification, dimension, shape, tolerance, technical requirement, test method, test rules, packing, marking and quality certificate of the alloy tool steel.
This Standard is applicable to alloy tool steel hot rolling, forging, cold drawing and silver steel bar; while its chemical composition is also applicable to ingot, billet and their products.
2. Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. At time of publication, the editions indicated were valid. Equal 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 Standards indicated below.
