CuZn37Al C6782鋁黃銅

一般不推薦采用氣焊，因?yàn)楹茈y完全消除鋁的氧化物有害作用。如果必須采用氣焊，則須對(duì)焊絲、焊接坡口作徹底清理，使用含氯化鹽和氟化鹽的熔劑。嚴(yán)格采用中性焰等措施。

焊條電弧焊一般用于鋁青銅鍛件或鑄件的焊補(bǔ)。采用ECuAl-c（即T237）焊條。除薄件（≤3mm）外，需采用70°～90°的V形坡口；薄件常不預(yù)熱，對(duì)于 w（Al）<10%的合金，預(yù)熱和層間溫度一般不應(yīng)超過150℃。焊接鋁含量為10%～13%的鋁青銅，厚工件推薦預(yù)熱和層間溫度約260℃，焊件宜快速冷卻。采用直流反接，短弧和窄焊道施焊。多層焊時(shí)層間必須徹底清渣。

H5114 / H2206? Japanese standard, JIS SS 5716-15, SS 5716-20 (Cu Al10 Ni5 Fe4)

H5115 / H2207? Japanese standard, JIS SS 5640-15 (Cu Pb10 Sn10), CC495K

LM’s comparison list between different

norms from Copper alloys

Please read below on the wished for trade-name in the left hand column, and get it translated into LM-language on the right-hand

column. The right hand column with our name is either identical in composition or a fully replaceable alloy with only minor

differences. The column in the middle states the norm and its country of origin.

With no marks in front of LM’s alloy = alloy is identical, with this sign “~” = alloy is very similar, fully replaceable.

普通性能

紫銅是比較純凈的一種銅，一般可近似認(rèn)為是純銅，導(dǎo)電性、塑性都較好，但強(qiáng)度、硬度較差一些。紫銅具有優(yōu)良的導(dǎo)熱性﹑延展性和耐蝕性。紫銅中的微量雜質(zhì)對(duì)銅的導(dǎo)電、導(dǎo)熱性能有嚴(yán)重影響。其中鈦、磷、鐵、硅等顯著降低電導(dǎo)率,而鎘、鋅等則影響很小。