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Latrobe LSSâ„¢ D3 Tool Steel (ASTM D3)
| 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 LSSâ„¢ D3 Tool Steel (ASTM D3).pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
TLS D3 tool steel is a high-carbon, high-chromium, oil-hardening tool steel that is characterized by a relatively high attainable hardness and numerous, large, chromium-rich alloy carbides in the microstructure. These carbides provide good resistance to wear from sliding contact with other metals and abrasive materials. TLS D3 exhibits excellent stability in heat treatment, holding size almost as well as the air-hardening, high-carbon, high-chromium die steels such as D2. Typical applications for TLS D3 tool steel include forming rolls, drawing dies, forming, powder compaction tooling, and lamination dies.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 | 7.87 g/cc | 7.87 g/cc | |
| Density | 7.86 g/cc | 0.284 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell C | 63.5 | 63.5 | Air Cooled from 913°C, 45 minutes |
| 64 | 64 | Air Cooled from 982°C, 30 minutes | |
| 64.5 | 64.5 | Air Cooled from 927°C, 30 minutes | |
| Modulus of Elasticity | 207 GPa | 30000 ksi | |
| Machinability | 45 - 50 % | 45 - 50 % | 1% Carbon Steel |
| Izod Impact Unnotched | 20.3 J | 15.0 ft-lb | Oil Quenched from 954°C; As Quenched |
| 54.2 J | 40.0 ft-lb | Oil Quenched from 954°C; 593°C Temper Temperature |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 11.84 µm/m-°C @Temperature 38.0 - 260 °C |
6.578 µin/in-°F @Temperature 100 - 500 °F |
|
| 13.81 µm/m-°C @Temperature 38.0 - 538 °C |
7.672 µin/in-°F @Temperature 100 - 1000 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Carbon, C | 2.15 % | 2.15 % | |
| Chromium, Cr | 12.25 % | 12.25 % | |
| Iron, Fe | 84.55 % | 84.55 % | |
| Manganese, Mn | 0.40 % | 0.40 % | |
| Silicon, Si | 0.40 % | 0.40 % | |
| Vanadium, V | 0.25 % | 0.25 % |
| Chemical Properties | Metric | English | Comments |
|---|---|---|---|
| Critical Temperature | 743 °C | 1370 °F | Ar3 |
| 766 °C | 1410 °F | Ar1 | |
| 782 °C | 1440 °F | Ac1 | |
| 832 °C | 1530 °F | Ac3 |
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