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About Steel
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Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Steel Balls
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Wear-Resistant 52100 Alloy Steel—High carbon and chromium content makes this 52100 alloy steel extremely hard and resistant to wear. It’s also known as chrome steel. Often used as bearings, these balls are hardened for increased abrasion and impact resistance.
Tight-Tolerance Wear-Resistant 52100 Alloy Steel—The diameter of these balls is held to a precise tolerance. They’re made from 52100 alloy steel, also known as chrome steel, which has high levels of carbon and chromium to make them extremely hard and resistant to wear. Often used as bearings, these balls are also hardened to increase their abrasion and impact resistance.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Dia. | Dia. Tolerance | Heat Treatment | Yield Strength, psi | Mechanical Finish | Hardness | Appearance | Specs. Met | Pkg. Qty. | Pkg. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wear-Resistant 52100 Alloy Steel | ||||||||||||
| 25/32" | -0.0001" to 0.0001" | Hardened | 295,000 | — | Rockwell C60 (Extra Hard) | Mirror Like | — | 10 | 9528K31 | 00000 | ||
Tight-Tolerance Wear-Resistant 52100 Alloy Steel | ||||||||||||
| 25/32" | -0.00005" to 0.00005" | Hardened | 295,000 | Ground, Polished | Rockwell C60 (Extra Hard) | Mirror Like | ASTM A295 | 1 | 9528K528 | 00000 | ||
