CEWELD


CuNi9Sn2 GMAW-GTAW Solid wires




CuNi9Sn2

 
TYPE 
Copper-Nickel-Tin alloy with excellent resistance aganst seawater.
APPLICATIONS 
Circuit breaker components, Springs for relays and switches, Bellows, Bridles
PROPERTIES 

This alloy offers good combination of fatigue resistance, formability and corrosion resistance.

CLASSIFICATION
AWS 
UNS: C72500
APPROVALS 
CE approved
WELDING POSITIONS: 
WIRE ANALYSIS %

Cu

Ni

Fe

Mn

Sn

Pb

Zn

others total

Rem

8,2-10,5

<0.28

<0.28

1,8-2,8

<0.03

<0.10

<0.10

MECHANICAL PROPERTIES

Heat

RP0,2

Rm

A

Impact Energy (J) ISO-V

Hardness

Treatment

(MPa)

(MPa)

(%)

-20°C

-40°C

-60°C

HRc / HV

Soft

 

340-400

>40

       

half hard

 

400-550

>4

       

hard

 

550-650

-

       







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