Rockwell Industries 9310 alloy steel is a low alloy carburizing steel based primarily in nickel and chromium and known for its hardenability and strength. 9310 supplied by Rockwell Industries also possesses solid ductility, weldability, and machinability properties.
VAR melting practice. Bars ordered as hot finished shall not have a hardness greater than 229 HBW.
Bars ordered cold finished shall not have a hardness greater than 248 HBW.
|Boron||--||0.001 (10 ppm)|
Average grain size of ASTM No. 5 or finer.
Jominy hardness 41 HRC maximum at 1/16 inch and 32 HRC minimum at 6/16 inch.