C7701 C7701 B C7701 W - JIS H 3270-2018

Grade	C7701
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

C7701 Chemical Element Composition Content (%)

Component	Fe	Mn	Ni	Cu	Pb	More
Minimum Value	-	-	16.5	54	-	Zn:余量
Maximum Value	0.25	0.5	19.5	58	0.03	Zn:余量

C7701 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)	520~665	HV ≥150
Bar stock (B); 6<d≤13	1/2 Hard (1/2H)	470~620	≥130
Bar stock (B); 3≤d≤6	Hard (H)	620~775	≥160
Bar stock (B); 6<d≤13	Hard (H)	550~685	≥140
Bar (B); 13<d≤25	Hard (H)	510~645	≥140
Bar (B); 25<d≤50	Hard (H)	480~620	≥130
Wire (W); 0.40≤d≤5.0	Annealing (O)	440~635
Wire (W); 0.40≤d≤5.0	1/4 Hard (1/4H)	500~650
Wire (W); 0.40≤d≤5.0	1/2 Hard (1/2H)	635~785
Wire (W); 0.40≤d≤5.0	Hard (H)	≥765

d=diameter or width across flats; unit mm

C7701 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"!