兑水 发表于 2009-9-7 14:45:35

ASTM A 553-2006 压力容器用经回火和淬火的含8%及9%镍的合金钢板

A553/A553M-95(2000) Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered 8 and 9 Percent Nickel
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