About Steel
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20400%20400'%20style='enable-background:new%200%200%20400%20400;'%20xml:space='preserve'%3e%3cstyle%20type='text/css'%3e%20.st0{fill:%231A70A0;}%20.st1{opacity:0.5;}%20%3c/style%3e%3cg%3e%3cg%3e%3cpath%20class='st0'%20d='M200,56.9c38.35,0,74.4,14.93,101.51,42.05c27.11,27.11,42.05,63.17,42.05,101.51s-14.93,74.4-42.05,101.51%20S238.35,344.02,200,344.02s-74.4-14.93-101.51-42.05c-27.11-27.11-42.05-63.17-42.05-101.51s14.93-74.4,42.05-101.51%20S161.65,56.9,200,56.9%20M200,12.9C96.41,12.9,12.44,96.88,12.44,200.46c0,103.59,83.97,187.56,187.56,187.56%20c103.59,0,187.56-83.97,187.56-187.56C387.56,96.88,303.59,12.9,200,12.9L200,12.9z'/%3e%3c/g%3e%3cg%3e%3cg%20class='st1'%3e%3cpath%20class='st0'%20d='M235.49,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C190.89,163.58,214.53,158.88,235.49,152.24z%20M230.44,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C218.68,82.23,224.24,80.84,230.44,80.84z'/%3e%3c/g%3e%3cg%3e%3cpath%20class='st0'%20d='M214.08,152.24h16.15l-27.46,111.87c-1.94,7.8-2.91,12.5-2.91,14.1c0,1.82,0.58,3.29,1.73,4.41%20c1.16,1.12,2.69,1.68,4.61,1.68c5.23,0,11.78-3.85,19.63-11.55l17.22,21.34c-16.95,17.33-34.87,26-53.78,26%20c-8.37,0-15.45-1.47-21.23-4.41c-5.79-2.94-10.44-7.25-13.95-12.92c-3.51-5.67-5.27-11.18-5.27-16.53c0-1.93,0.35-5.24,1.05-9.94%20c1-6.94,2.05-12.54,3.15-16.82l15.22-62.15h-32.69l7.65-30.97C169.48,163.58,193.11,158.88,214.08,152.24z%20M209.03,80.84%20c8.24,0,14.66,2.62,19.26,7.86c4.6,5.24,6.9,11.55,6.9,18.94c0,5.46-1.42,10.7-4.25,15.73c-2.83,5.03-6.88,9.07-12.12,12.12%20c-5.24,3.05-10.33,4.57-15.24,4.57c-4.6,0-9.17-1.23-13.72-3.69c-4.55-2.46-8.02-5.78-10.43-9.95%20c-2.41-4.17-3.61-8.67-3.61-13.48c0-5.35,1.52-10.64,4.57-15.89c3.05-5.24,7.03-9.25,11.96-12.04%20C197.26,82.23,202.83,80.84,209.03,80.84z'/%3e%3c/g%3e%3c/g%3e%3c/g%3e%3c/svg%3e){kind=small}
Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Hard Wear-Resistant 52100 Alloy Steel Balls
- Yield Strength: 295,000 psi
- Hardness: Rockwell C60 (Very Hard)
- Fabrication: Cold Worked
- Specifications Met: See table
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.
For technical drawings and 3-D models, click on a part number.
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 | Pkg. Qty. | Pkg. | |
Mirror-Like | |||||
|---|---|---|---|---|---|
| 1mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 00000 |
| 1.5mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 2mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 2.5mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 3mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 3.5mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 4mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 4.5mm | -0.0025mm to 0.0025mm | Hardened | 50 | 0000000 | 0000 |
| 5mm | -0.0025mm to 0.0025mm | Hardened | 100 | 0000000 | 0000 |
| 5.5mm | -0.0025mm to 0.0025mm | Hardened | 50 | 0000000 | 0000 |
| 6mm | -0.0025mm to 0.0025mm | Hardened | 50 | 0000000 | 0000 |
| 6.5mm | -0.0025mm to 0.0025mm | Hardened | 50 | 0000000 | 0000 |
| 7mm | -0.0025mm to 0.0025mm | Hardened | 50 | 0000000 | 0000 |
| 8mm | -0.0025mm to 0.0025mm | Hardened | 25 | 0000000 | 0000 |
| 9mm | -0.0025mm to 0.0025mm | Hardened | 20 | 0000000 | 0000 |
| 10mm | -0.0025mm to 0.0025mm | Hardened | 20 | 0000000 | 0000 |
| 12mm | -0.0025mm to 0.0025mm | Hardened | 10 | 0000000 | 0000 |
| 13mm | -0.0025mm to 0.0025mm | Hardened | 5 | 0000000 | 0000 |
| 14mm | -0.0025mm to 0.0025mm | Hardened | 5 | 0000000 | 0000 |
| 15mm | -0.0025mm to 0.0025mm | Hardened | 5 | 0000000 | 0000 |
| 16mm | -0.0025mm to 0.0025mm | Hardened | 5 | 0000000 | 0000 |
| 18mm | -0.0025mm to 0.0025mm | Hardened | 3 | 0000000 | 0000 |
| 24mm | -0.0025mm to 0.0025mm | Hardened | 3 | 0000000 | 00000 |