Phos Bronze A Alloy
AWS A5.7 Class ERCuSn-A
ASME SFA5.7 ERCuSn-A
Washington Alloy Phos-Bronze A filler metal is used for MIG and TIG welding of tin-bronze base metals such as 509 to 519 series, for brass and for overlay welding of steel.
Phos-Bronze A contains approximately 5% tin and up to 0.35% phosphorus. The tin content increases the wear resistance of the weld deposit while the phosphorus acts as a deoxidizer. Preheating is recommended.
TYPICAL WELD METAL CHEMISTRY (%)
0.15 total max