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Products >> A5.6, COPPER AND COPPER ALLOY Covered Arc Welding Electrodes

 

ECuNi (187)

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ECuNi  (Alloy 187) is a copper-nickel, all-position, electrode of SMAW of wrought or cast alloys of similar composition as well as 80 Cu+20 Ni and 90 Cu+10 Ni alloys.  It is also used for the clad sides of copper-nickel clad steels. 

 

Typical Applications:  marine applications due to its good resistance to the corrosive effects of sea water



AWS Class: ECuNi

Certification:   AWS A5.6/A5.6M:2008

Alloy:  ECuNi

ASME SFA A5.6

 

Welding Position:   F, V, OH, H

Current:

DCEP

 

Tensile Strength, kpsi:

50

Yield Strength, kpsi:

*NS

Elongation %:

20 min


*Not Specified

 

Typical Wire Chemistry as per AWS A5.6 (single values are maximum)

Mn

Fe

Si

Cu including Ag

Ni including Cobalt

P

Pb

Ti

Other

1.00-2.50

0.40-0.75

0.50

Remainder

29.0-33.0

0.020

0.02

0.50

0.50

 

Typical Welding Parameters

Diameter

Process

Volt

Amps (flat)

Amps (V/OH)

in

(mm)

 3/32

 (2.4)

SMAW

24-28 

70-85

65-75 

 1/8

 (3.2)

SMAW

 26-30

85-110

 80-90

 5/32

 (4.0)

SMAW

 28-32

110-140

 100-120

 3/16

 (4.8)

SMAW

 28-32

120-160

 110-130

 

 

< CLICK HERE for additional information on this alloy >

 

 

Products >> A5.6, COPPER AND COPPER ALLOY Covered Arc Welding Electrodes

 

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