Weldporn® Silicon Bronze Filler Rod
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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 |