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Latrobe LSS™ O1 Tool Steel (ASTM O1)
| Category | Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel , Oil-Hardening Steel |
| Manufacturer | Latrobe Steel |
| Trade Name | LSS™ |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Latrobe LSS™ O1 Tool Steel (ASTM O1).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
TLS O1 tool steel is the original oil-hardening, "non-shrinking" tool steel that can be hardened to the Rockwell C 65 range from a low austenitizing temperature. TLS O1 is a general-purpose tool steel which is typically used in applications where alloy steels cannot provide sufficient hardness, strength, and wear resistance. Where greater dimensional stability in heat treatment or improved wear resistance are required, tool steels with higher alloy contents, such as A2 or D2 should be considered.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 | 7.83 g/cc | 7.83 g/cc | |
| Density | 7.83 g/cc | 0.283 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 62 | 62 | Air Cooled from 774°C, 30 minutes |
| 64 | 64 | Air Cooled from 871°C, 30 minutes | |
| 65 | 65 | Air Cooled from 802°C, 30 minutes | |
| Modulus of Elasticity | 214 GPa | 31000 ksi | |
| Machinability | 85 - 90 % | 85 - 90 % | 1% Carbon Steel |
| Izod Impact Unnotched | 27.1 J | 20.0 ft-lb | Oil Quenched from 816°C; 150°C Temper Temperature |
| 190 J | 140 ft-lb | Oil Quenched from 816°C; 430°C Temper Temperature |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 10.73 µm/m-°C @Temperature 38.0 - 260 °C |
5.961 µin/in-°F @Temperature 100 - 500 °F |
|
| 14.11 µm/m-°C @Temperature 38.0 - 538 °C |
7.839 µin/in-°F @Temperature 100 - 1000 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 0.94 % | 0.94 % | |
| Chromium, Cr | 0.50 % | 0.50 % | |
| Iron, Fe | 96.56 % | 96.56 % | |
| Manganese, Mn | 1.2 % | 1.2 % | |
| Silicon, Si | 0.30 % | 0.30 % | |
| Tungsten, W | 0.50 % | 0.50 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 671 °C | 1240 °F | Ar3 |
| 703 °C | 1300 °F | Ar1 | |
| 732 °C | 1350 °F | Ac1 | |
| 760 °C | 1400 °F | Ac3 |
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