B5 T70380 - GB /T 2040-2017

Grade	B5
China ISC	T70380
Corresponding Standard	GB /T 2040-2017 Copper and Copper Alloy Sheet
Classification	Copper and Copper Alloys

B5 Chemical Element Composition Content (%)

Component	Fe	C	P	S	Ni ^①	Pb	Other Total	More
Minimum Value	-	-	-	-	4.4	-	-	Cu:余量
Maximum Value	0.2	0.03	0.01	0.01	5	0.01	0.5	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.

B5 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
7≤t≤14	Hot Rolled (M20)	≥215	≥20	-
0.5≤t≤10	Softening Annealing (O60)	≥215	≥30	-
0.5≤t≤10	Hard (H04)	≥370	≥10	-

B5 Corresponding Standards(Same grade name, different standards)

1	ASTM A193/A193M-2001
	B5 501
2	GB /T 5231-2012
	B5 T70380
3	ASTM A485-2014
	B5 A485 100CrMo 7
4	ASTM A485-2017
	B5 100CrMo 7
5	GB /T 2040-2017
	B5 T70380
6	GB /T 5231-2022
	B5 T70380
7	BS 3100-1991
	B5

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