【英文标准名称】: Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types
【原文标准名称】: 普通型、带槽和防护型碳素工字钢轨的标准规格
【标准号】: ASTM A2-2002
【标准状态】: 现行
【国别】: 美国
【发布日期】: 2002
【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】: A01.01
【标准类型】: (Specification)
【标准水平】: ()
【中文主题词】:
【英文主题词】: girder rails; rails; railway applications; steel rails; Carbon steel railroad materials--specifications; Girder rails; Railroad steel materials
【摘要】: 1.1 This specification covers carbon steel girder rails of three classes based on type or type and weight, and chemistry defined as follows and in Table 1. 1.1.1 Unless otherwise specified by the purchaser, girder-guard rails shall be Class A. 1.1.2 Plain and grooved-girder rails under 135 lb/yd (67.1 kg/m) in weight shall be specified by the purchaser as either Class A or Class B. 1.1.3 Plain and grooved-girder rails of 135 lb/yd in weight and heavier shall be Class C, unless otherwise specified. 1.2 The values states in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.