【国外标准】 Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades

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ASTM A958/A958M-17
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标准简介

适用范围：

This specification covers carbon and low-alloy steel castings. The steel specimens shall be heat treated and shall conform to the required values of austenitizing temperature and tempering temperature. The steel materials shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, and molybdenum. Tensile tests shall be performed and the steel specimens shall conform to the required values of tensile strength, yield strength, and elongation.1.1 This specification covers carbon and low-alloy steel castings having chemical analyses similar to that of the standard wrought grades.1.2 Several classes are covered and are designated by chemical composition as shown in Table 1.1.3 Options for tensile properties are shown in Tables 2 and 3.(A) “X” denotes that the properties may be achieved by at least one of the heat treatments referenced in 5. The effect of section thickness should be considered in making grade selections. The heat treatment requirements do not imply that all section thicknesses will be through hardened.(B) These grades significantly exceed the minimum strength levels; therefore, they may be unsuitable for use due to weldability, and machinability issues.1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.1.4.1 Within the text, the SI units are shown in brackets.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

基本信息

标准号：
ASTM A958/A958M-17
标准名称：
Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades
英文名称：
Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades
标准状态：
Active
发布日期：
实施日期：
出版语种：

标准分类号

标准ICS号：
77.100
中标分类号：

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出版信息

页数：
5 页
字数：
开本：

其他信息

起草人：
起草单位：
归口单位：
A01.18
提出部门：
发布部门：

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