C5191 C5191 B C5191 W - JIS H 3270-2018

Grade	C5191
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
Properties	Corrosion Resistance Fatigue Resistance

C5191 Chemical Element Composition Content (%)

Component	Fe	P	Pb	Zn	Sn	More
Minimum Value	-	0.03	-	-	5.5	Cu+Sn+P≥99.5
Maximum Value	0.1	0.35	0.02	0.2	7	Cu+Sn+P≥99.5

C5191 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Bar stock (B); 3≤d≤6	1/2 Hard (1/2H)	≥510	-	HV ≥150
Bar stock (B); 6<d≤13	1/2 Hard (1/2H)	≥460	≥13	≥135
Bar (B); 13<d≤25	1/2 Hard (1/2H)	≥430	≥15	≥125
Bar (B); 25<d≤50	1/2 Hard (1/2H)	≥410	≥18	≥120
Bar (B); 50<d≤100	1/2 Hard (1/2H)	-	-	HRB 70~85
Bar stock (B); 3≤d≤6	Hardening treatment (H)	≥635	-	HV ≥180
Bar stock (B); 6<d≤13	Hardening treatment (H)	≥590	≥10	≥165
Bar (B); 13<d≤25	Hardening treatment (H)	≥540	≥13	≥150
Bar (B); 25<d≤50	Hardening treatment (H)	≥490	≥15	≥140
Bar (B); 50<d≤100	Hardening treatment (H)	-	-	HRB 75~90
Wire rod (W); 0.40≤d≤5.0	Annealing (O)	315~460	-	-
Wire rod (W); 0.40≤d≤5.0	1/8 Hard (1/8H)	435~585	-	-
Wire rod (W); 0.40≤d≤5.0	1/4 Hard (1/4H)	535~685	-	-
Wire rod (W); 0.40≤d≤5.0	1/2 Hard (1/2H)	635~785	-	-
Wire rod (W); 0.40≤d≤5.0	3/4 Hard (3/4H)	735~885	-	-
Wire rod (W); 0.40≤d≤5.0	Hardening treatment (H)	≥835	-	-

d=diameter or width across flats; unit mm

Approximate Comparison Table Cupper and cupper alloy

Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	Sweden	United Kingdom
JIS	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
C5191	C51900	CuSn6	CuSn6	2.1020	CuSn6P	CuSn6	CW452K	BrOF6.5-0.15	CuSn6	PB102

C5191 Corresponding Standards(Same grade name, different standards)

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