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Latrobe LSSâ„¢ D5 Tool Steel (ASTM D5)
| Category | Metal , Ferrous Metal , Alloy Steel , Carbon Steel , High Carbon Steel , Tool Steel , Air-Hardening Steel |
| Manufacturer | Latrobe Steel |
| Trade Name | LSS™ |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Latrobe LSSâ„¢ D5 Tool Steel (ASTM D5).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
TLS D5 tool steel is an air hardening, high-carbon, high-chromium, tool steel that is characterized by a cobalt addition which provides unique resistance to galling and pick-up. The cobalt also imparts some resistance to tempering, which makes TLS D5 suitable for some semi-hot work tooling applications.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 | 7.73 g/cc | 7.73 g/cc | |
| Density | 7.72 g/cc | 0.279 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 62 | 62 | Air Cooled from 1038°C, 30 minutes |
| 62.5 | 62.5 | Air Cooled from 982°C, 45 minutes | |
| 63 | 63 | Air Cooled from 996°C, 30 minutes | |
| Modulus of Elasticity | 207 GPa | 30000 ksi | |
| Machinability | 45 - 50 % | 45 - 50 % | 1% Carbon Steel |
| Izod Impact Unnotched | 54.2 J | 40.0 ft-lb | Air Cooled from 1010°C; 483°C Temper Temperature |
| 70.5 J | 52.0 ft-lb | Air Cooled from 1010°C; 145°C Temper Temperature | |
| 119 J | 88.0 ft-lb | Air Cooled from 1010°C; 593°C Temper Temperature |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 9.88 µm/m-°C @Temperature 38.0 - 260 °C |
5.49 µin/in-°F @Temperature 100 - 500 °F |
|
| 12.02 µm/m-°C @Temperature 38.0 - 538 °C |
6.678 µin/in-°F @Temperature 100 - 1000 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 1.5 % | 1.5 % | |
| Chromium, Cr | 11.65 % | 11.65 % | |
| Cobalt, Co | 2.8 % | 2.8 % | |
| Iron, Fe | 82.4 % | 82.4 % | |
| Manganese, Mn | 0.35 % | 0.35 % | |
| Molybdenum, Mo | 0.80 % | 0.80 % | |
| Silicon, Si | 0.50 % | 0.50 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 754 °C | 1390 °F | Ar1 |
| 832 °C | 1530 °F | Ac1 |
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