Choosing the right brazing alloy
Choosing the right brazing alloy and the right amount for your application depends on several factors including base materials being brazed, clearance of parts, service conditions, brazing temperature and alloy cost.
Phos Coppers - Alloys from 0% - 18% silver content. AWS BCuP classification. Used for copper to copper joints and for copper to brass joints.
High Silvers - Alloys from 18% - 99.9% silver content. AWS BAg classification. Used for copper to steel, steel to steel, and brass to steel.
Aluminum - Pure 4047, 78/22, 98/2. Use for aluminum to aluminum joints and for aluminum to copper joints.