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Precision Ball Metallurgy, ISO 3290 Standards & Application Guides

In-depth technical resources authored by DSP's metallurgy and quality assurance engineers for bearing, valve, automotive, and industrial buyers.

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AISI 52100 high-chrome steel balls manufactured to ISO 3290 precision grades

★ Featured Engineering GuideMetallurgy & Materials2 min read · 363 words

AISI 52100 Chrome Steel Balls: Complete Engineering, Hardness & ISO 3290 Grade Guide

An engineering guide to AISI 52100 (100Cr6 / EN31) high-chrome bearing steel balls, covering chemical composition, 60–66 HRC through-hardening, ISO 3290 grades (G3 to G100), and industrial applications.

By DSP Metallurgy & Quality Engineering Team · Updated 17 Oct 2026

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