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

 

ERCuSn-A (Phos Bronze A)

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ERCuSn-A   Phos Bronze A is a copper-zinc bronze containing approximately 5% tin and up to 0.35% phosphorus added as a deoxidizer used to weld bronze and brass.  It can also be used to weld copper if the presence of tin in the weld metal is not objectionable.

 

Typical Applications: overlaying of steel; joining of 509-519 series tin-bronze base metals



AWS Class: ERCuSn-A

Certification:  AWS A5.7/A5.7M:2007

Alloy:  ERCuSn-A

ASME SFA A5.7

 

Welding Position:  

      

Current:

AC-DCEP

 

Tensile Strength, kpsi:

35

Brinell Hardness

70-85

 


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

Cu including Ag

Al

Pb

P

Sn

Other

Remainder

0.01

0.02

0.10-0.35

4.0-6.0

0.50

 

Typical Welding Parameters

Diameter

Process

Volt

 

Amps

GAS

in

(mm)

 1/16

 (1.6)

GTAW

70-120

70-150

ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode

 3/32

 (2.4)

GTAW

120-160

140-230

ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode

 1/8

 (3.2)

GTAW

170-230

225-320

ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode 

Typical Welding Parameters

Diameter

Process

Volt

 

Amps

GAS

in

(mm)

 0.035

 (1.6)

GMAW

20-26

100-200

100% Argon or  75% Argon, 25% Helium

 0.045

 (2.4)

GMAW

22-28

100-250

100% Argon or 75% Argon, 25% Helium

 1/16

 (3.2)

GMAW

29-32

250-400

100% Argon or 75% argon, 25% Helium 

 3/32

 (3.2)

GMAW

32-34

350-500

100% Argon or 75% Argon, 25% Helium

 

 

< CLICK HERE for additional information on this alloy >

 

 

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

 

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