AISI 52100 specifications

AISI 52100 steel is a high-carbon chromium alloy steel, which, because of its versatility, is used in a variety of mechanical applications. In the annealed condition this steel is comparatively easy to machine, yet very high hardness and abrasion resistance can be developed by heat treatment to make the steel particularly suitable for applications requiring extreme wear resistance. In addition, 52100 steel can be heat treated to high levels of tensile strength and fatigue strength.

Category Steel
Class Alloy steel
Type Standard
Common Names Chromium steel
Designations United States: UNS G52986


Element Weight %
C 0.98-1.10
Mn 0.25-0.45
P 0.025 (max)
S 0.025 (max)
Si 0.15-0.30
Cr 1.30-1.60


Properties Conditions
T (C) Treatment
Density (1000 kg/m3) 7.7-8.03 25
Poisson's Ratio 0.27-0.30 25
Elastic Modulus (Gpa) 190-210 25
Properties Conditions
T (C) Treatment
Thermal Expansion (10-6/C) 11.9 0-100 annealed

Download PDF version of AISI 52100 specifications.pdf

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