- AWS RCoCr-C (CO1)
- AWS RCoCr-A (CO 6)
- AWS RCoCr-B (CO 12)
AWS RCoCr-C (Co 1)
It has excellent wear and heat resistance at high temperature.
Recommended use for making valve seal inserts , rotating sealing ring, drill heads, cutter edge ,etc
AWS RCoCr-A (Co 6)
The most widely used Cobalt Alloy with good mechanical
properties at different temperatures, Recommended use
for making valve seat material, hot shear blade, high temperature valve , turbine blade ,etc.
AWS RCoCr-B (CO 12)
It has excellent resistance on high heat, corrosion
and abrasion. Recommended use for making high-
pressure valve, shear edge, sawteeth, etc.
AWS RCoCr-E (CO 21)
It has excellent resistance on high heat, corrosion
and abrasion. Recommended use for making fuild valve,
brass casting die , vlave seat, etc.
Grade Color:
Black: Co 1Red: Co 6
Green: Co 12
Blue: Co 21








