1.1本规范涵盖了可用锻造碳素工具钢产品的化学、机械和物理要求。 1.2这些产品包括热加工或冷加工的棒材、板材、薄板、棒材、线材或锻件，通常制造成工具、模具或夹具。特定应用的材料选择将取决于设计、使用条件和所需性能。 1.3以英寸-磅为单位的数值应视为标准值。括号中给出的值仅供参考。

1.1 This specification covers the chemical, mechanical, and physical requirements for available wrought carbon tool steel products. 1.2 These products, which include hot- or cold-finished bar, plate, sheet, rod, wire, or forgings, are normally fabricated into tools, dies, or fixtures. The selection of a material for a particular application will depend upon design, service conditions, and desired properties. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.