Phosphor bronze ∣ Gwo Chern Industrial Co., Ltd.

C5191

Phosphor bronze

Alloy Number：JIS C5191
Corresponding Material：ASTM C51900
Substance：

Gwo Chern Code	Cu	Pb	Fe	Sn	Ni	Al	Si	Bi	Mn	P	Others
519	Rem.	≦0.02	≦0.10	5.5-7.0	─	─	─	─	─	0.03-0.35	Zn≦0.20 Cu+Sn+P≧99.5

Spring connector with excellent spring and electric conductivity. Abrasion-resistant components and anti-magnetic components in precision instruments, such as gear, brush box, vibrating sheet, and connector.

Ratio (20℃)	Electrical Conductivity [%IACS]	Thermal Conductivity [w/(m·K)](20℃)	Longitudinal Elastic Modulus [KN/mm²]
8.83	13	67	105

Brass Wire

Quality Grade	Mark	Diameter, side, distance between opposite sides (mm)		Tensile Strength (N/mm²)	Ductility and Malleability (%)
O	C5191 W-O	0.4 or more	5.0 or less	315-460	─
1/8H	C5191 W-1/8H	0.4 or more	5.0 or less	435-585	─
1/4H	C5191 W-1/4H	0.4 or more	5.0 or less	535-685	─
1/2H	C5191 W-1/2H	0.4 or more	5.0 or less	635-785	─
3/4H	C5191 W-3/4H	0.4 or more	5.0 or less	735-885	─
H	C5191 W-H	0.4 or more	5.0 or less	835 or more	─

Brass Rod

Quality Grade	Mark	Diameter, side, distance between opposite sides (mm)		Tensile Strength (N/mm²)	Ductility and Malleability (%)	Hardness(HV)	Hardness(HRBS)
1/2H	C5191 B-1/2H	3.0 or more	6.0 or less	510 or more	－	150 or more	－
		6.0 or more	13.0 or less	460 or more	13 or more	135 or more	－
		13.0 or more	25.0 or less	430 or more	13 or more	125 or more	－
		25.0 or more	50.0 or less	410 or more	18 or more	120 or more	－
		50.0 or more	100.0 or less	－	－	－	70-85
H	C5191 B-H	3.0 or more	6.0 or less	635 or more	－	180 or more	－
		6.0 or more	13.0 or less	590 or more	10 or more	165 or more	－
		13.0 or more	25.0 or less	540 or more	13 or more	150 or more	－
		25.0 or more	50.0 or less	490 or more	15 or more	140 or more	－
		50.0 or more	100.0 or less	－	－	－	70-90

Welding	Excellent
Brazing	Excellent
Oxy‑accetylene welding	Homogeneity
Gas Metal Arc Welding	Good
Metallic Coating Elecric Welding	Poor
Soldering	Good
Seam Welding	Poor
Butt Welding	Excellent
Cold Working	Excellent
Hot Working	Poor
Processability	Not Recommended

Back to List

Product Introduction

Phosphor bronze