CuSn7Zn2Pb3-C CC492K - EN 1982-2017

Grade	CuSn7Zn2Pb3-C
European Standard Steel Grade	CC492K
Corresponding Standard	EN 1982-2017 Copper and copper alloys – Ingots and castings
Classification	Copper and Copper Alloys

CuSn7Zn2Pb3-C Chemical Element Composition Content (%)

	Component	Fe	Si	P	S	Ni	Cu ^①	Pb	Al	Zn	Sn	Sb	More
铸件	Minimum Value	-	-	-	-	-	85	2.5	-	1.5	6	-	Sn+1/2Ni: 7~8
铸件	Maximum Value	0.2	0.01	0.1	0.1	2	89	3.5	0.01	3	8	0.25	Sn+1/2Ni: 7~8

CuSn7Zn2Pb3-C Mechanical Properties

product	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Casting	Sand Casting GS	≥230	≥130	≥14	≥65
Casting	Permanent Mold Casting GM	≥230	≥130	≥12	≥70
Casting	Centrifugal Casting GZ	≥260	≥130	≥12	≥70
Casting	Continuous Casting GC	≥270	≥130	≥12	≥70

Approximate Comparison Table Cupper and cupper alloy

CuSn7Zn2Pb3-C Corresponding Standards(Same grade name, different standards)

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