Made of tempered steel, these balls have a high chromium and molybdenum content, providing excellent wear resistance and robustness in demanding applications. Ideal for high-load bearings, they ensure a long life and optimum operation. With over 40 years of expertise, Marteau- Lemarie guarantees a stock available in France and technical support tailored to your needs.
Chemical composition of 100CrMnMo8 chrome steel ball
| Element | C | If | Mn | P | S | Cr | Mo | Cu | Al | O |
|---|---|---|---|---|---|---|---|---|---|---|
| % | 0,93-1,05 | 0,40-0,60 | 0,80-1,10 | 0.025 max | 0.015 max | 1,80-2,05 | 0,50-0,60 | max. 0.30 | 0.050 max | 0.0015 max |
Physical characteristics of 100CrMnMo8 chrome steel ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 7.8 | g/cm3 |
| Young Module | 210 | GPA |
| Thermal expansion coefficient | 13.3 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 43.4 | W/m·K |
| Electrical resistivity | 212 | × 10 - 9 D·m |
| Specific heat | 470 | J/kg·K |
| Relative magnetic permeability | > 300 | — |
| Magnetic behaviour | Ferromagnetic | — |
Hardness and mechanical resistance of 100CrMnMo8 chrome steel ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 55-63 | HRC |
| Exercise temperatures | -60/150 | ° C |
| Exercise temperatures | -76/302 | °F |
Available diameters and grades for 100CrMnMo8 chrome steel ball
| Parameter | Value |
|---|---|
| Minimum diameter | 45 mm — 1-3/4′′′ |
| Maximum diameter | 300 mm — 12′′ |
| Grades available | See International Standards |
| Precision standards | ISO 3290-1 / DIN 5401 / AFBMA |
International standards for 100CrMnMo8 chrome steel ball
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| 100CrMnMoSi8-4-6 | – | 1.3539 | 100CrMnMo8 | 100CrMnMoSi8-4-6 | 20M- | 100CrMnMo8 | – |
Applications of 100CrMnMo8 chrome steel ball
Bearings, applications in which the components are subjected to high mechanical stresses and wear.
