C7701 C7701 P C7701 R - JIS H 3130-2018 - H2ABC

中文版

Grade	C7701
Other Names
Corresponding Standard	JIS H 3130-2018 Copper beryllium alloy, copper titanium alloy, phosphor brozne, copper-nickel-tin alloy and nickel silver sheets, plates and strips for springs
Classification	Copper and Copper Alloys
Properties	Elasticity Corrosion Resistance

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	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
Plate (P), strip (R); 0.10 ≤ t ≤ 0.7	C 7701 P-1/2H,C7701 R-1/2H	1/2 Hard (1/2H)	540~655	≥390	≥8	HV 150~210
Plate (P), Strip (R); 0.71≤t≤1.6		1/2 Hard (1/2H)	540~655	≥390	≥11	150~210
Plate (P), strip (R); 0.10 ≤ t ≤ 0.7	C 7701 P-H,C7701 R-H	Hard (H)	630~735	≥500	≥4	180~240
Plate (P), Strip (R); 0.71≤t≤1.6		Hard (H)	630~735	≥500	≥6	180~240
Plate (P), strip (R); 0.1 ≤ t ≤ 1.6	C 7701 P-EH,C7701 R-EH	Super hard (EH)	705~805	≥600	-	210~260
Plate (P), strip (R); 0.1 ≤ t ≤ 1.6	C 7701 P-SH,C7701 R-SH	Spring Hardening (SH)	765~865	≥680	-	230~270

C7701 Corresponding Standards(Same grade name, different standards)

1	JIS H 3130-2018
	C7701 C7701 P C7701 R
2	JIS H 3270-2018
	C7701 C7701 B C7701 W

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