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Products >> A5.7, COPPER AND COPPER ALLOY Bare Rods and Electrodes

 

ERCu (Deox Copper)

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ERCu  (Deoxidized Copper) is a filler metal containing 98% or more copper with small amounts of Phosphorus and Silicon used for joining copper to itself or with galvanized or mild steel where high strength joints are not required.  This easy flowing alloy produces weld deposits that match the color of copper, are electrically conductive and porosity free.

 

Typical Applications:  joining copper pipes, tanks, and copper fittings; joining deoxidized copper; overlay steel surfaces to resist corrosion



AWS Class: ERCu

Certification:  AWS A5.7/A5.7M:2007

Alloy:  ERCu

ASME SFA A5.7

 

Welding Position:  

      

Current:

AC-DCEP

 

Tensile Strength, kpsi:

8

Yield Strength, kpsi:

29

Elongation in 2” (%):

29

 

 


Typical Wire Chemistry as per AWS A5.7 (single values are maximum)

Cu including Ag

Sn

Mn

Si

P

Al

Pb

Other

98.0 min

1.0

0.50

0.50

0.15

0.01

0.02

0.50

 

Typical Welding Parameters

Diameter

Process

Volt

 

Amps

GAS

in

(mm)

 1/16

 (1.6)

GTAW

0

70-120

100% Helium or 100% Argon 40-55 CFH

 3/32

 (2.4)

GTAW

0

120-160

100% Helium or 100% Argon 40-55 CFH

 1/8

 (3.2)

GTAW

0

170-230

100% Helium or 100% Argon 40-55 CFH

Diameter

Process

Volt

 

Amps

GAS

in

(mm)

 .035

 (.9)

GMAW

20-26

70-150

100% Argon or 75% Argon, 25% Helium 45-55 CFH

 .045

 (1.14)

GMAW

22-28

120-160

 100% Argon or 75% Argon, 25% Helium 45-55 CFH

 1/16

 (1.6)

GMAW

29-32

250-400

 100% Argon or 75% Argon, 25% Helium  45-55 CFH

3/32

 (2.4)

GMAW

32-34

350-500

 100% Argon or 75% Argon, 25% Helium 45-55 CFH

 

< CLICK HERE for additional information on this alloy >

 

 

Products >> A5.7, COPPER AND COPPER ALLOY Bare Rods and Electrodes

 

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