ZCuZn38Mn2Pb2 ZHMn58-2-2 38-2-2锰黄铜 - GB 1176-1987

Grade	ZCuZn38Mn2Pb2
Other Names
Old Grade
Corresponding Standard	GB 1176-1987 Specification for cast copper alloys
Classification	Copper and Copper Alloys

ZCuZn38Mn2Pb2 Chemical Element Composition Content (%)

Component	Fe	Mn	Cu	Pb	Al ^*	Sn ^*	Sb	Other Total	More
Minimum Value	-	1.5	57	1.5	-	-	-	-	Zn:Remainder
Maximum Value	0.8	2.5	60	2.5	1	2	0.1	2	Zn: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

ZCuZn38Mn2Pb2 Mechanical Properties

casting process	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Sand casting S	≥245	≥10	≥70
Metal mold casting J	≥345	≥18	≥80

ZCuZn38Mn2Pb2 Corresponding Standards(Same grade name, different standards)

1	GB 1176-1987
	ZCuZn38Mn2Pb2 (ZHMn58-2-2) 38-2-2锰黄铜
2	YB /T 036.5-1992
	ZCuZn38Mn2Pb2 38-2-2锰黄铜

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