CEWELD


E CuNi30Mn SMAW Stick Electrodes




E CuNi30Mn

 
TYPE 
Copper-Nickel based stick electrode (SMAW)
APPLICATIONS 
Wrought or cast copper nickel alloys, marine applications, disalination exuipment.
PROPERTIES 

Excellent corosion resistance in seawater and against fouling. Suitable for dissimalar welding of Monel alloy 450 to Nickel 200 and or other Copper -Nickel alloys. Small diameters can be used in all positions.

CLASSIFICATION
AWS 
A 5.6: E CuNi
(UNS W 60715)
EN ISO 
E Cu 7158
(CuNi30)
DIN: W.Nr. 
2.0838
DIN 
1733: S CuNi30Mn
SUITABLE FOR 

(Monel 67): Wrougt and cast alloys of 70-30, 80-20 and 90-10 copper nickel alloys, Monel alloy 450, Nickel 200, CuNi10Fe, CuNi20Fe (2.0878), CuNi30Fe (2.0882).

WELDING POSITIONS: 
FILLER METAL ANALYSIS % (TYPICAL VALUES)

C

Mn

Si

Ni+Co

Fe

Cu

Ti

P

S

 

<0.05

1.0-2.5

<0.5

>29

0.4-0.75

Rem

<0.5

<0.020

<0.015

 
MECHANICAL PROPERTIES

Heat

Tensile strenght

A5

Impact Energy (J) ISO-V

Hardness

Treatment

psi

MPa

4D (%)

-20°C

-40°C

-60°C

HRc / HV

AW

>50,000

>345

>30

       
AW: as welded
WELDING PARAMETERS / PACKING

Welding Parameters

Packing

D (mm)

Length (mm)

Current (A) (DC+)

kg / can

kg / 6 pack

kg / 1000

2.4

305

60-85

     

3.2

356

70-120

     

4.0

356

100-145

     

4.8

356

130-190

     







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