【英文标准名称】: Standard Specification for Steel Wire, Music Spring Quality 【原文标准名称】: 音乐弹簧级钢丝标准规格 【标准号】: ASTM A228/A228M-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】: A01.03【标准类型】: (Specification)【标准水平】: ()【中文主题词】: 音乐弹簧;金属线【英文主题词】: music spring; wire【摘要】: 1.1 This specification covers a high quality, round, cold-drawn steel music spring quality wire, uniform in mechanical properties, intended especially for the manufacture of springs subject to high stresses or requiring good fatigue properties. 1.2 The values stated in either SI (metric) units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. 【中国标准分类号】: 【国际标准分类号】: 77_140_25【页数】: 4P.;A4【正文语种】: 作者: 曼思雨 时间: 2014-2-28 12:56:49