QSi3-1 T64730 - YS /T 649-2018

Grade	QSi3-1
	T64730
Corresponding Standard	YS /T 649-2018 Extruded Rod and Bar of Copper and Copper Alloys
Classification	Copper and Copper Alloys
Properties	High Strength High Elasticity Corrosion Resistance Good Weldability
Density	8.6 g/cm³

QSi3-1 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Pb	Zn	Sn	Other Total	More
Minimum Value	-	2.7	1	-	-	-	-	-	Cu:余量
Maximum Value	0.3	3.5	1.5	0.2	0.03	0.5	0.25	1.1	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.

• The chemical composition of H96 and HSn61-0.8-1.8 rod materials shall comply with the provisions of this standard. The chemical composition of other grade rod materials shall comply with the corresponding provisions of GB/T 5231-2012.

QSi3-1 Mechanical Properties

diameter	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
d≤100	≥345	≥23

Note: The mechanical properties of rod materials exceeding the specified dimensions shall be provided as actual test values or determined by agreement between the supplier and the customer.

QSi3-1 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	QSi3-1 T64730
2	GB /T 5231-2022
	QSi3-1 T64730
3	GB /T 5231-2001
	QSi3-1 3-1硅青铜
4	YS /T 649-2018
	QSi3-1 T64730
5	GB /T 3114-1994
	QSi3-1 T64730
6	GB /T 3114-2023
	QSi3-1 T64730
7	GB /T 21652-2017
	QSi3-1 T64730
8	GB /T 21652-2008
	QSi3-1

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