QSi3.5-3-1.5 T64740 - GB /T 33949-2017

Grade	QSi3.5-3-1.5
China ISC	T64740
Corresponding Standard	GB /T 33949-2017 Copper alloy ring mateial for bearing cage
Classification	Copper and Copper Alloys

QSi3.5-3-1.5 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	P	Ni	As	Pb	Zn	Sn	Sb	Other Total	More
Minimum Value	1.2	3	0.5	-	-	-	-	2.5	-	-	-	Cu:余量
Maximum Value	1.8	4	0.9	0.03	0.2	0.002	0.03	3.5	0.25	0.002	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.

QSi3.5-3-1.5 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
M02,M07,M30	≥650	≥5	130~180

QSi3.5-3-1.5 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	QSi3.5-3-1.5 T64740
2	YS /T 649-2018
	QSi3.5-3-1.5 T64740
3	GB /T 33949-2017
	QSi3.5-3-1.5 T64740

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