C7541 C7541 B C7541 W - JIS H 3270-2018

Grade	C7541
Other Names
Corresponding Standard	JIS H 3270-2018 Copper beryllium alloy, phosphor bronze and nickle silver rods, bars and wires
Classification	Copper and Copper Alloys

C7541 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	More
Minimum Value	-	-	12.5	60	-	Zn:余量
Maximum Value	0.25	0.5	15.5	64	0.03	Zn:余量

C7541 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Hardness HBW
Bar stock (B); 3≤d≤6	1/2 Hard (1/2H)	440~590	HV ≥135
Bar stock (B); 6<d≤13	1/2 Hard (1/2H)	390~540	≥120
Bar stock (B); 3≤d≤6	Hard (H)	570~705	≥150
Bar stock (B); 6<d≤13	Hard (H)	520~645	≥135
Bar (B); 13<d≤25	Hard (H)	450~590	≥115
Bar (B); 25<d≤50	Hard (H)	390~540	≥100
wire (W); 0.4 ≤ d ≤ 5	Annealing (O)	365~510
wire (W); 0.4 ≤ d ≤ 5	1/2 Hard (1/2H)	510~665
wire (W); 0.4 ≤ d ≤ 5	Hard (H)	≥635

d=diameter or width across flats; unit mm

Approximate Comparison Table Wrought Cupronickel

China		Japan	United States		International Organization for Standardization		Russia	United Kingdom
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	GOST	Commercial Grade	BS EN/BS
BZn15-20	T74600	C7541 C75400	63Cu-15Ni-22Zn	C75400	CuNi15Zn21	C75400	МНЦ15-20	NS105	C75400

C7541 Corresponding Standards(Same grade name, different standards)

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