C5441 C5441 B C5441 BS - JIS H 3270-2018

Grade	C5441
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

C5441 Chemical Element Composition Content (%)

Component	P	Pb	Zn	Sn	More
Minimum Value	0.01	3.5	1.5	3	Cu+Sn+Pb+Zn+P≥99.5
Maximum Value	0.5	4.5	4.5	4.5	Cu+Sn+Pb+Zn+P≥99.5

C5441 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Bars (B, BS); 0.5 < d ≤ 3	Hardening treatment (H)	≥470		HV ≥125
Bars (B, BS); 3 < d ≤ 6	Hardening treatment (H)	≥440		≥125
Bars (B, BS); 6 < d ≤ 13	Hardening treatment (H)	≥410	≥10	≥115
Bars (B, BS); 13 < d ≤ 25	Hardening treatment (H)	≥375	≥12	≥110
Bars (B, BS); 25 < d ≤ 50	Hardening treatment (H)	≥345	≥15	≥100
Bars (B, BS); 50 < d ≤ 100	Hardening treatment (H)	≥320	≥15	HRBS 60~90

d=diameter or width across flats; unit mm

Approximate Comparison Table Bronze

China		Japan	United States		International Organization for Standardization	Russia	Australia
GB	ISC	JIS	ASTM	UNS	ISO	GOST	Australian Standard AS
QSn4-4-2.5	T53300	C5441 C54400	88Cu-4Sn-4Pb-3Zn	C54400	CuSn4Pb4Zn3	БрОЦС4-4-2.5	544B C54400

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