High Precision Tin Phosphor Bronze C5191

Basic Info

Model NO.	C5191
Standard	GB/T
Transport Package	Wooden Packaging
Specification	C5191
Trademark	Estar
Origin	Ningbo
HS Code	7411219000
Production Capacity	5000 T / a

Product Description

Excellent cold workability, electroplating, hot dip plating and welding performance, high strength, elasticity and resistance to seawater and process atmosphere corrosion.

1)Alloy Designation,Chemical Composition

Alloy Designation				Chemical Composition
GB	UNS	EN	JIS	Cu +Ag%	Sn %	P %
QSn6.5-0.1	C51900	CuSn6	C5191	Rem.	6.0-7.0	0.10-0.25

2)Physical properties,fabrication properties

Physical properties						fabrication properties
Desity g/cm³	Electrical conductivity %IACS	Thermal conductivity W(m.K)	Modulus of elasticity GPa	Specific heat J/(g.K)	Thermal expansion coefficien/K	Cold - workability	Hot - workability	Machinability	Electric plating property	Hot dip tin plating property	Weldability
8.83	13	67	112	0.377	18	Excellent	Limited	Less suitable	Excellent	Excellent	Good

3)Mchine properties

Mchine properties
Temper	Hardness	High precision bronze strip					Microcrystalline products
		Tensilent strength	Elongation	Thickness	Bend angle	Bend radius	Tensilent strength	Elongation	Thickness	Bend angle	Bend radius
060	≤120	≥315	≥40	<1.6	180°or W	Thickness*0.5	-	-	-	180° or W	Thickness*0.5
H01	110-155	390-510	≥35			Thickness*1	-	-	-		Thickness*1
H02	150-190	490-610	≥10			Thickness*1.5	-	-	-		Thickness*1.5
H04	180-230	590-690	≥8			Thickness*2	560-650	≥10	0.1-0.5		Thickness*2
H06	200-240	635-720	≥5	-	-	-	≥610	≥5	0.1-0.5	-	-

Widely used in high-tech electronic fields
such as computer CPU sockets,car terminals, mobile phone buttons, electronic connectors,etc.

i)Product introduction

ii)Equipment and workshop