Weldporn® Silicon Bronze Filler Rod

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  • Regular price $49.95


ERCuSi-A  Silicon Bronze is primarily used for MIG, TIG and gas welding of copper, copper-silicon and copper-zinc base metals to themselves and to steel.  It is an excellent choice for joining plain or galvanized sheet steel to metal as well as other coated steels.

Typical Applications: surfacing areas subject to erosion

AWS Class: ERCuSi-A Certification:  AWS A5.7/A5.7M:2007
Alloy:  ERCuSi-A ASME SFA A5.7

 

Welding Position:

 

Current:

AC-DCEP

 

Tensile Strength, kpsi: 50 min
Elongation in 2” (%): 65%
Brinell Hardness 80-100


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

Cu including Ag Zn Sn Mn Fe Si Al Pb  

Other

Remainder 1.0 1.0 1.5 0.50 2.8-4.0 0.01 0.02  

0.50

 

Typical Welding Parameters
Diameter Process Volt  

Amps

GAS
in (mm)
 1/16  (1.6) GTAW 70-120 70-120 ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode
 3/32  (2.4) GTAW 120-160 120-160 ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode
 1/8  (3.2) GTAW 170-230 170-230 ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode
Diameter Process Volt  

Amps

GAS
in (mm)
 .035  (.9) GMAW 20-26 70-150 100% Argon or 75% Argon, 25% Helium
 .045  (1.14) GMAW 22-28 120-160  100% Argon or 75% Argon, 25% Helium
 1/16  (1.6) GMAW 29-32 250-400  100% Argon or 75% Argon, 25% Helium
3/32  (2.4) GMAW 32-34 350-500  100% Argon or 75% Argon, 25% Helium