兑水 发表于 2009-9-7 10:40:05

ASTM A 542-1999 压力容器用经回火和淬火的铬钼、铬钼钒...

A542/A542M-99e1 Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-Vanadium
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