QAl10-4-4 T61780 - GB /T 5231-2012

Grade	QAl10-4-4
China ISC	T61780
Corresponding Standard	GB /T 5231-2012
Classification	Copper and Copper Alloys
Properties	Corrosion Resistance High-Temperature Strength Machinability Weldability

QAl10-4-4 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	P	Ni	Pb	Al	Zn	Sn	Other Total	More
Minimum Value	3.5	-	-	-	3.5	-	9.5	-	-	-	Cu:Remainder
Maximum Value	5.5	0.1	0.3	0.01	5.5	0.02	11	0.5	0.1	1	Cu: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.

QAl10-4-4 Mechanical Properties

diameter d mm	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
d>10~29	≥690	≥5	Brinell Hardness HB 170~240
d>29~120	≥635	≥6	Brinell Hardness HB 170~240
d>120~160	≥590	≥6	Brinell Hardness HB 170~240

Approximate Comparison Table bronze

China		United States	International Organization for Standardization	Germany	France	Russia
GB	ISC	ASTM	ISO	DIN EN/DIN	NF EN/NF	GOST
QAl10-4-4	T61780	80Cu-10Al-4.5Fe-4.5Ni	CuAl10Fe4.5Ni4.5	CuAl10Fe4.5Ni4.5	CuAl10Fe4.5Ni4.5	БрАЖН10-4.5-4.5

QAl10-4-4 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	QAl10-4-4 T61780
2	GB /T 5231-2022
	QAl10-4-4 T61780
3	YS /T 649-2018
	QAl10-4-4 T61780

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