兑水 发表于 2009-9-7 09:28:13

ASTM A 514-2005 焊接用经回火与淬火的高屈服强度合金钢板

A514/A514M-00a Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding
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