ZCuAl9Fe4Ni4Mn2 ZQAl9-4-4-2 9-4-4-2铝青铜 - GB 1176-1987

Grade	ZCuAl9Fe4Ni4Mn2
Other Names
Old Grade
Corresponding Standard	GB 1176-1987 Specification for Cast Copper Alloys
Classification	Copper and Copper Alloys

ZCuAl9Fe4Ni4Mn2 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	Ni	Pb	Al	Other Total	More
Minimum Value	4	-	-	0.8	4	-	8.5	-	Cu:Remainder
Maximum Value	5	0.1	0.15	2.5	5	0.02	10	1	Cu:Remainder

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

* Elements are not counted in the impurity sum
ZQAl9-4-4-2 is an alloy in GB 883-83 copper alloy casting technical conditions

ZCuAl9Fe4Ni4Mn2 Mechanical Properties

casting process	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Sand casting S	≥630	≥250	≥16	≥160

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