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Latrobe CM-50â„¢ ASTM M50 High Speed Steel
| Category | Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel |
| Manufacturer | Latrobe Steel |
| Trade Name | CM-50™ |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Latrobe CM-50â„¢ ASTM M50 High Speed Steel.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
CM-50 is classified as an intermediate type high speed steel of the molybdenum chromium- vanadium variety. It is recommended for applications with moderate cutting conditions, such as woodworking tools, where toughness is of prime importance and where there is less need for red hardness.Information Provided by Timken Latrobe Steel.Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 7.84 g/cc | 7.84 g/cc | |
| Density | 7.83 g/cc | 0.283 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 64 | 64 | Oil Quenched from 1149°C |
| 64.5 | 64.5 | Oil Quenched from 1038°C | |
| 65 | 65 | Oil Quenched from 1107°C | |
| Modulus of Elasticity | 203 GPa | 29500 ksi | |
| Machinability | 65 - 75 % | 65 - 75 % | 1% Carbon Steel |
| Izod Impact Unnotched | 36.6 J | 27.0 ft-lb | Oil Quenched at 1121°C; 482°C Temper Temperature |
| 67.8 J | 50.0 ft-lb | Oil Quenched at 1121°C; 594°C Temper Temperature | |
| 74.6 J | 55.0 ft-lb | Oil Quenched at 1121°C; 622°C Temper Temperature |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 11.3 µm/m-°C @Temperature 21.0 - 204 °C |
6.28 µin/in-°F @Temperature 69.8 - 399 °F |
|
| 12.98 µm/m-°C @Temperature 21.0 - 538 °C |
7.211 µin/in-°F @Temperature 69.8 - 1000 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 0.84 % | 0.84 % | |
| Chromium, Cr | 4.1 % | 4.1 % | |
| Iron, Fe | 89.01 % | 89.01 % | |
| Manganese, Mn | 0.30 % | 0.30 % | |
| Molybdenum, Mo | 4.25 % | 4.25 % | |
| Silicon, Si | 0.50 % | 0.50 % | |
| Vanadium, V | 1.0 % | 1.0 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 730 °C | 1350 °F | Ar1 |
| 751 °C | 1380 °F | Ar3 | |
| 810 °C | 1490 °F | Ac1 | |
| 846 °C | 1550 °F | Ac3 |
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