1.      Introduction

Phos-Copper-Silver Brazing Alloy can reduce melting point,

 improve plasticity of brazing alloy and wettability of copper,

as well as brazing alloy’s strength and toughness.

Note：1, P: phosphorus; AG: Silver; Cu: copper;

      2, CWA: China welding association; AWS: America welding Society; Russia: (unknown)

3, REM: Remain;

4, ERW: Electric Resistance Welding