兑水 发表于 2009-9-15 08:27:57

ASTM B 839-2004 金属镀覆的外螺纹制品,紧固件和棒的残余脆....

B839-04 Standard Test Method for Residual Embrittlement in Metallic Coated, Externally Threaded Articles, Fasteners, and Rod—Inclined Wedge Method
页: [1]
查看完整版本: ASTM B 839-2004 金属镀覆的外螺纹制品,紧固件和棒的残余脆....