Polyethylene coated steel pipes. Part 3:External polyethylene powder coated steel pipes
发布日期:2012-11-20 实施日期:2012-11-20
发布日期:2015-10-20 实施日期:2015-10-20
Standard Specification for Sampling Procedure for Impact Testing of Structural Steel AASHTO No.: T 243
实施日期:2002-12-10
Standard Specification for High-Strength Low-Alloy Structural Steel AASHTO No.: M 161
实施日期:2003-04-10
Standard Specification for Normalized High-Strength Low-Alloy Structural Steel Plates
发布日期:2003-01-01 实施日期:2003-01-01
Standard Specification for Tool Steels Alloy
适用范围:<p id="s00002">1.1 This specification covers the chemical, mechanical, and physical requirements for available wrought alloy tool steel products. </p> <p id="s00003">1.2 These products, which include ...
实施日期:2008-10-01
发布日期:2018-03-20 实施日期:2018-03-20
Carburizing steels for bearing
适用范围:本标准规定了渗碳轴承钢的分类与代号、订货内容、尺寸、外形、技术要求、试验方法、检验规则、包装、标志及质量证明书。 本标准适用于制作轴承套圈及滚动体用渗碳轴承钢热轧、锻制、冷拉及银亮圆钢(以下简称钢材)。 经供需...
发布日期:2016-12-30 实施日期:2017-09-01
Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Shapes,Plates,and Bars and Quenched-And-Tempered Alloy Structural Steel Plates for Bridges
实施日期:2001-03-10
Quenched and tempered steels. Technical delivery conditions for boron steels
Standard Specification for Structural Steel for Bridges
实施日期:2007-03-01
Standard Specification for High-Strength Carbon-Manganese Steel of Structural Quality
实施日期:2003-05-10
Hot rerolled equilateral rectangles steel with round edge, Specification and test method
Bright steel products. Technical delivery conditions. Part 3:Free-cutting steels
发布日期:2008-03-01 实施日期:2008-03-01
实施日期:2013-03-28
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