【英文标准名称】: Standard Specification for Steel Bars, Alloy, Standard Grades 【原文标准名称】: 标准级合金钢棒材的标准规范 【标准号】: ASTM A322-2007 【标准状态】: 现行 【国别】: 【发布日期】: 2007 【实施或试行日期】: 【发布单位】: 美国材料与试验协会(US-ASTM)【起草单位】: A01.15【标准类型】: (Specification)【标准水平】: ()【中文主题词】: 合金;棒材;钢【英文主题词】: alloy steel bars; hot-wrought steel bars; steel bars【摘要】: 1.1 This specification covers hot-wrought alloy steel bars. Bar applications include forging, heat treating, cold drawing, machining and many structural components (Note 1). Note 1 - A guide for the selection of steel bars is contained in Practice A 400. 1.2 The bars shall be furnished in the grades specified in Table 1. Sections and sizes of bar steel available are covered in Specification A 29/A 29M. Hot-wrought alloy steel bars are produced in cut lengths and coils; the manufacturer should be consulted regarding sections and sizes available in coils, produced to a chemical composition.1.3 Some applications may require superior surface quality, or special chemical restrictions, metallurgical characteristics, heat treatment, or surface finishes which the purchaser may obtain by designating one or more of the available Supplementary Requirements.【中国标准分类号】: H44【国际标准分类号】: 77_140_60【页数】: 4P.;A4【正文语种】: 作者: qishuai108 时间: 2015-3-24 16:22:28