ZQSn3-11-4 - YS /T 544-2009

Grade	ZQSn3-11-4
Corresponding Standard	YS /T 544-2009 Copper alloy ingots for casting
Classification	Copper and Copper Alloys

ZQSn3-11-4 Chemical Element Composition Content (%)

Component	Fe	Si	P	Pb	Al	Zn	Sn	Sb	More
Minimum Value	-	-	-	3	-	9.5	2	-	Cu:Remainder
Maximum Value	0.4	0.02	0.05	5.8	0.02	13.5	4	0.3	Cu:Remainder

① Brass and bronze ingots for diamagnetic applications shall have an iron content not exceeding 0.05%.
② When the purchaser has special requirements for the chemical composition, they can be determined through negotiation between the supplier and the purchaser.

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