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- Latrobe Tatmoâ„¢ ASTM M1 High Speed Steel
Latrobe Tatmoâ„¢ ASTM M1 High Speed Steel
| Category | Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel |
| Manufacturer | Latrobe Steel |
| Trade Name | Tatmo™ |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Latrobe Tatmoâ„¢ ASTM M1 High Speed Steel.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
TATMO is an M1-type, general-purpose high speed steel. In comparison with other popular high speed steels, it exhibits excellent toughness and grindability. These factors and
its relatively low cost make it an economic and efficient tool material. Typical applications for Tatmo high speed steel include twist drills, taps, milling cutters, reamers, broaches, saws, and knives.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 | 7.89 g/cc | 7.89 g/cc | |
| Density | 7.89 g/cc | 0.285 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 64.5 | 64.5 | Oil Quenched from 1232°C |
| 65.5 | 65.5 | Oil Quenched from 1121°C | |
| 66.5 | 66.5 | Oil Quenched from 1177°C | |
| Modulus of Elasticity | 214 GPa | 31000 ksi | |
| Machinability | 55 - 65 % | 55 - 65 % | 1% Carbon Steel |
| Izod Impact Unnotched | 38.0 J | 28.0 ft-lb | Oil Quenched at 1218°C; 482°C Temper Temperature |
| 44.7 J | 33.0 ft-lb | Oil Quenched at 1218°C; 622°C Temper Temperature | |
| 51.5 J | 38.0 ft-lb | Oil Quenched at 1218°C; 580°C Temper Temperature | |
| 71.9 J | 53.0 ft-lb | Oil Quenched at 1163°C; 482°C Temper Temperature | |
| 77.3 J | 57.0 ft-lb | Oil Quenched at 1163°C; 622°C Temper Temperature | |
| 90.8 J | 67.0 ft-lb | Oil Quenched at 1163°C; 580°C Temper Temperature |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 10.07 µm/m-°C @Temperature 38.0 - 260 °C |
5.594 µin/in-°F @Temperature 100 - 500 °F |
|
| 12.33 µm/m-°C @Temperature 38.0 - 649 °C |
6.850 µin/in-°F @Temperature 100 - 1200 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 0.83 % | 0.83 % | |
| Chromium, Cr | 3.75 % | 3.75 % | |
| Iron, Fe | 83.47 % | 83.47 % | |
| Manganese, Mn | 0.25 % | 0.25 % | |
| Molybdenum, Mo | 8.5 % | 8.5 % | |
| Silicon, Si | 0.30 % | 0.30 % | |
| Tungsten, W | 1.75 % | 1.75 % | |
| Vanadium, V | 1.15 % | 1.15 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 724 °C | 1340 °F | Ar3 |
| 760 °C | 1400 °F | Ar1 | |
| 827 °C | 1520 °F | Ac1 | |
| 860 °C | 1580 °F | Ac3 |
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