Alloy Steel CBS-600
Material Data Sheet
CBS-600 VIM-VAR is a carburizing bearing and gear steel designed for service temperatures up to 600°F. Double vacuum melting is employed to provide optimum tensile properties as well as describe impact and fracture toughness characteristics.
Chemical Composition
| Chemistry | Content(%) |
|---|---|
| Iron, Fe | 95.6 |
| Chromium, Cr | 1.45 |
| Silicon, Si | 1.10 |
| Molybdenum, Mo | 1.0 |
| Manganese, Mn | 0.60 |
| Carbon, C | 0.19 |
| Aluminum, Al | 0.06 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.81 g/cc | 0.282 lb/in³ |
Mechanical Properties
| Properties | Metric | Imperial | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 37 | 37 | Core at 700°F, 1000hr |
| 38 | 38 | Core at 300°F, 100hr | |
| 58 | 58 | Case at 600°F, 1000hr | |
| 62 | 62 | Case at 300°F, 1000hr | |
| Tensile Strength, Ultimate | 1403 MPa | 203500 psi | 371°C Test Temp; 843°C Hardening Temp |
| 1422 MPa | 206200 psi | 371°C Test Temp; 927°C Hardening Temp | |
| 1520 MPa | 220000 psi | 24°C Test Temp | |
| Tensile Strength, Yield | 1250 MPa | 181000 psi | 24°C Test Temp; 927°C Hardening Temp |
| 1265 MPa | 183500 psi | 24°C Test Temp; 843°C Hardening Temp | |
| 965 MPa | 140000 psi | 843°C Hardening Temp | |
| 1020 MPa | 148000 psi | 927°C Hardening Temp | |
| Elongation at Break | 11.4 % | 11.4 % | 24°C Test Temp; 843°C Hardening Temp |
| 12.5 % | 12.5 % | 24°C Test Temp; 927°C Hardening Temp | |
| 17.5 % | 17.5 % | 843°C Hardening Temp | |
| 18.2 % | 18.2 % | 927°C Hardening Temp | |
| Reduction of Area | 43.5 % | 43.5 % | after 843°C Hardening Temp |
| Modulus of Elasticity | 210 GPa | 30500 ksi | |
| Poissons Ratio | 0.292 | 0.292 | |
| Shear Modulus | 64.1 GPa | 9300 ksi |
