Application Segments


Melting Route

Airmelted + VAR

Product Description

This specification covers a premium aircraft-quality, vacuum-arc-remelted low-alloy steel in the form of bars, forgings and forging stock.

It is used typically for parts requiring through hardening properties, usually with hardness of approximately 60 HRC in section thicknesses 0.50 inch (12.7 mm) and under. E.g. bearing rings and rolling elements, bearing balls and races.

Technical Specifications

Material Numbers

52100 1.3505 100Cr6



Chemical Composition

Chemical composition (average %)
0.93 to 1.05 0.15 to 0.35 0.25 to 0.45 max. 0.015 max. 0.015 1.35 to 1.60 max. 0.10 max. 0.25 max. 0.30 max. 0.050 max. 0.0015

Available product shapes

  • Long Products


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