兑水 发表于 2009-9-7 19:10:34

ASTM A 588-2005 高强度低合金结构钢4英寸(100mm)厚屈服点....

A588/A588M-04 Standard Specification for High-Strength Low-Alloy Structural Steel with 50 ksi Minimum Yield Point to 4-in. Thick
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