Stainless Steels and Special Alloy Banner

Pyrowear® Alloy 53

Specialty Alloys - Gear Steels 

(UNS K71040) 

Nominal Analysis 
0.10 C, 0.35 Mn, 1.00 Si, 1.00 Cr, 2.00 Ni, 3.25 Mo, 2.00 Cu, 0.10 V, Bal. Fe

A carburizing steel possessing good temper resistance and high case hot hardness while maintaining high core impact strength and fracture toughness. Has been used in gears where temperature resistance is important.

Possesses useful properties at temperatures above the maximum application temperature of AISI 9310 alloy.

Register/log in to our Alloy TechZone for detailed technical alloy datasheets on hundreds of Carpenter specialty metals. The database is searchable and free.

Request a quote or contact your nearest service center.