Sanbar 23 is an air-hardening, high chromium-molybdenum alloy steel with good response to surface induction hardening and suitable for carburizing. It has high fatigue strength and wear resistance in the case hardened condition.
Sanbar 64 is an air-hardening, high nickel alloy steel with good response to carburizing. It has excellent fatigue strength and wear resistance in the case hardened condition.