兑水 发表于 2009-9-7 17:38:21

ASTM A 568-2006 热轧及冷轧高强度低合金碳素钢薄板

A568/A568M-03 Standard Specification for Steel, Sheet, Carbon, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for
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