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

 

ERCuAl-A2 (Alum Bronze A2)

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ERCuAl-A2 Aluminum Bronze A-2 filler metal is an intermediate-strength aluminum bronze alloy used for welding aluminum bronze plate fabrications and for joining dissimilar metals such as cast iron, carbon steels, copper, bronze and copper-nickel materials.  It is excellent for building up or overlaying metal for wear and corrosion resistant surfaces.  Weld deposits exhibit high mechanical properties, tensile strength, yield strength and hardness.

 

Typical Applications:  marine maintenance and repair; wear surface reconstruction; cast repair; joining aluminum bronze of similar composition



AWS Class: ERCuAl-A2

Certification:  AWS A5.7/A5.7M:2007

Alloy:  ERCuAl-A2

ASME SFA A5.7

 

Welding Position:  

      

Current:

AC-DCEP

 

Tensile Strength, kpsi:

79

Yield Strength, kpsi

35

Elongation in 2” (%):

28

 

 


 

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

Cu including Ag

Zn

Fe

Si

Al

Pb

Other

Remainder

0.02

0.5-1.5

0.10

8.5-11.0

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

Typical Welding Parameters

Diameter

Process

Volt

 

Amps

GAS

in

(mm)

 .035

 (.9)

GMAW

20-26

70-120

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

170-230

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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