QSn4-4-4 - GB /T 21652-2008

Grade	QSn4-4-4
Corresponding Standard	GB /T 21652-2008 Copper and Copper Alloy Wire
Classification	Copper and Copper Alloys

QSn4-4-4 Chemical Element Composition Content (%)

Component	Fe	P	Pb	Al	Zn	Sn	Other Total	More
Minimum Value	-	-	3.5	-	3	3	-	Cu:余量
Maximum Value	0.05	0.03	4.5	0.002	5	5	0.2	Cu:余量

"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.

QSn4-4-4 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
0.1~8.5	半硬(Y2)	≥360	A_100mm ≥12
0.1~8.5	硬(Y)	≥420	A_100mm ≥10

Approximate Comparison Table Bronze

China		United States	International Organization for Standardization	France	European Standard		Russia
GB	ISC	ASTM	ISO	NF EN/NF	EN	Numerical Grade	GOST
QSn4-4-4	T53500	88Cu-4Sn-4Pb-4Zn	CuSn4Pb4Zn4	CuSn4Pb4Zn4	CuSn4Pb4Zn4	CW456K	БрОЦС4-4-4

QSn4-4-4 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	QSn4-4-4 T53500
2	GB /T 5231-2022
	QSn4-4-4 T53500
3	GB /T 5231-2001
	QSn4-4-4 4-4-4锡青铜
4	GB /T 26048-2010
	QSn4-4-4 T53500
5	GB /T 21652-2017
	QSn4-4-4 T53500
6	GB /T 21652-2008
	QSn4-4-4

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!