QSn4-4-4 T53500 - GB /T 26048-2010

Grade	QSn4-4-4
China ISC	T53500
Corresponding Standard	GB /T 26048-2010 Free-Cutting Copper Alloy Wire
Classification	Copper and Copper Alloys
Properties	Weldability

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

diameter( Distance Between Parallel Surfaces) d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
≥0.5~2	1/2 Hard (Y2)	≥480	≥4
≥2~4	1/2 Hard (Y2)	≥450	≥6
≥4~12	1/2 Hard (Y2)	≥430	≥8
≥0.5~2	Hard (Y)	≥520	-
≥2~4	Hard (Y)	≥500	-
≥4~12	Hard (Y)	≥450	-

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 26048-2010
	QSn4-4-4 T53500

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