ASTM A 338-1984铁路,船舶重型装备在温度达到650华氏度使用,,,
本帖最后由 兑水 于 2009-9-6 14:36 编辑A338-84(2004) Standard Specification for Malleable Iron Flanges, Pipe Fittings, and Valve Parts for Railroad, Marine, and Other Heavy Duty Service at Temperatures Up to 650°F (345°C)
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