... of 550~870°C the High-class Silver Brazing Powder cooperates with silver base brazing copper,copper alloys,steel,stainless steel and ... effectively remove oxides and improve the brazing solder wetting properties of the parent material,to compact brazed joint,less residue ... ,induction and other welding methods.4,The High-class Silver Brazing Powder is widely used in refrigeration ,air condition,hardware ...