B19 T71050 - GB /T 5231-2012

Grade	B19
China ISC	T71050
Corresponding Standard	GB /T 5231-2012
Classification	Copper and Copper Alloys

B19 Chemical Element Composition Content (%)

Component	Fe	C	Si ^②	Mn	P	S	Ni ^①	Pb	Zn	Mg	Other Total	More
Minimum Value	-	-	-	-	-	-	18	-	-	-	-	Cu:余量
Maximum Value	0.5	0.05	0.15	0.5	0.01	0.01	20	0.005	0.3	0.05	1.8	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.

Approximate Comparison Table Wrought Cupronickel

China		Japan	United States		International Organization for Standardization		France	Russia	United Kingdom
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	NF EN/NF	GOST	Commercial Grade	BS EN/BS
B19	T71050	C7101 C71000	80Cu-20Ni	C71000	CuNi20	C71000	CuNi20 C71000	МН19	CN104	C71000

B19 Corresponding Standards(Same grade name, different standards)

1	GB /T 5231-2012
	B19 T71050
2	GB /T 5231-2022
	B19 T71050

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