Class 3 Beryllium Copper
RWMA Beryllium Copper (17510) Class 3
RWMA Class 3 Alloy is specifically recommended for projection welding dies, flash and butt welding dies, current carrying shafts and bushings.
As castings, Class 3 Alloy (having higher strength than Class2), is recommended for highly stressed welder structural current carrying members and heavy duty offset electrode holders.
Class 3 Alloy is generally recommended for spot welding and seam welding steels having high electrical resistance, such as stainless steels. The Class 3 Alloy is heat treatable.