owenghui 發(fā)表于 2011-12-29 22:53 4 C9 N2 E# ~1 `) H$ u$ m
鉻鋯銅特性及應(yīng)用7 `5 w, Q, n+ {9 [, L4 a; i- t# n
鉻鋯銅(CuCrZr)化學(xué)成分(質(zhì)量分?jǐn)?shù))%( Cr:0.1-0.8, Zr:0.3-0.6)硬 度(HRB78- ...
d7598442 發(fā)表于 2011-12-28 13:26
以前在上汽的時候,記得那里點焊機電極都是鉻鋯銅的,有一種國產(chǎn)的,一種進口的,國產(chǎn)的老是粘工件,進口的 ...
歡迎光臨 機械社區(qū) (http://e-learninguniversity.com/) | Powered by Discuz! X3.4 |