China CuSn4 CuSn6 CuSn8 Phosphor Tin Bronze Coil Strip C5191 Manufacture and Factory

CuSn4 CuSn6 CuSn8 Phosphor Tin Bronze Coil Strip C5191

Short Description:

Brand Name: TANKII

Model Number: C5191

Material: Copper alloy

Color: Green

Width: 600mm MAX

Thickness: 0.01-3.0mm

Shape: strip

Chemical Composition: 5.0-7.0%Sn

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CuSn4 CuSn6 CuSn8 Phosphor Tin Bronze Coil Strip C5191 Detail:

CuSn4 CuSn6 CuSn8 Phosphor Tin Bronze Coil Strip

CuSn6 - UNS.C51900 Phosphor Bronze Alloys, which is a 6% tin bronze distinguished by a very good combinatio of strength and electrical conductivity. It is used for connector and current-carrying springs in contacts. Among the 4-8% tin bronze C51900 exhibits a high electrical conductivity, the highest reachable strength is significantly higher than C51100 and C51000. By means of an additional further tenpering after the cold forming process the bendability can be further improved.

Phosphor Bronze C51900 Chemical composition

Articles				Chemical composition
GB	UNS	EN	JIS	Cu%	Sn%	P%
QSn6.5-0.1	C51900	CuSn6	C5191	Rem	5.5-7.0	0.03-0.35

Chemical Composition
%
Sn	P	Cu	impurity
7.0~9.0	0.15~0.35	Bal.	≤0.1

Phosphor Bronze Mechanical properties

Mechanical Properties
Temper			T.S(N/mm²)	Elongation(%)	Hardness(Hv)
M	O	O60	≥345	≥40	/
Y4	1/4H	H01	390-510	≥35	100-160
Y2	1/2H	H02	490-610	≥8	150-200
Y	H	H04	590-705	≥5	190-230
T	EH	H06	585-740	/	200-240
TY	SH	H08	≥735	/	≥230

Mechanical properties
State	Hardness(HV)	Tension test			Bending test
State	Hardness(HV)	thickness mm	tensile strength MPa	elongation %	thickness	angles	ID
0	-	0.1-5.0	≥315	≥42	≤1.6	180°	50% of thickness
1/4H	100-160	0.1-5.0	390-510	≥35	≤1.6	180°	100% of thickness
1/2H	150-205	0.1-5.0	490-610	≥20	≤1.6	180°	150% of thickness
H	180-230	0.1-5.0	590-685	≥8	≤1.6	180°	200% of thickness
EH	200-240	0.1-0.2	635-720	-	-	-	-
EH	200-240	>0.2-5	635-720	≥5	-	-	-
SH	≥210	0.1-5.0	≥690	-	-	-	-

Phosphor Bronze C51900 Features for Phosphor Bronze Strips

Elongation rate ≥25%
Modulus of elasticity:125GPa
Yield strength:≥90% tensile strength
Fatigue performance
Plating performance
Excellent welding performance
Excellent cold workability, deep drawing properties, flexural properties

Phosphor Bronze C51900 Typical application

Phosphor Bronze is widely used in counputer CPU slot, car terminal, cell phone buttons, electrical connectors and other high technical electronic field.

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