ES2100 Chrome Steel - A hardened material (59-65 RC)  with excellent surface quality, high hardness & load bearing capacity. It's primary use is for ball bearings.
MATERIAL SIZE RANGE STANDARD GRADE
CHROME STEEL 2 1/16" TO 5" 100

CHROME STEEL

GRADE SPECIFICATIONS

MATERIAL: E52100

HARDNESS: 60-67 RC

CHEMICAL COMPOSITION: C- 0.98 TO 1.10% Mn- 0.25 TO 0.45%

P- 0.025% MAX S- 0.025% MAX

SI- 0.15 TO 0.35% Cr- 1.30 TO 1.60%

DENSITY: .283 LBS/CU. IN.

REMARKS: GOOD WEAR, LOW CORROSION RESISTANCE, BEARING

APPLICATIONS