Chrome Steel Balls

Product catalog summary

General Information
This document provides details on an oil-hardened steel commonly used in the ball and roller bearing industry. Known for its high hardness, excellent wear resistance, and good resistance to deformation, this steel is typically vacuum degassed and uniformly hardened in atmosphere-controlled electric furnaces. International equivalents include AISI 52100, EN31, JIS G4805 SUJ2, and Wks 1.3505.

Material Specification

Composition: Carbon (0.95 - 1.10%), Chromium (1.30 - 1.60%), Manganese (0.25% Max), Silicon (0.15 - 0.30%), Phosphorus (0.03% Max), Sulfur (0.025% Max).
Hardness: HRc 60 - 67.
Mechanical Properties: Tensile Strength of 325,000 psi, Yield Strength of 295,000 psi, and Density of 0.283 lbs/cu in.
Size Range: From 0.635mm (0.025") to 101.6mm (4").
Standard Grades Available: 5, 10, 25, 100, 500.

Crushing Loads for Chrome Steel
The document provides a detailed table of minimum crushing loads for various diameters of chrome steel. For example, a diameter of 1/8 inch (3.175 mm) has a minimum crushing load of 666 kg, while a diameter of 4 inches (101.600 mm) has a minimum crushing load of 309,500 kg. This information is crucial for determining the suitability of the material for specific applications.