Research Article
Study on the Microstructure of Vanadium-Modified Tungsten High-Speed Steel-Coded SAE-AISI T1 Steel
Table 3
Chemical composition of MC carbide for T1 high-speed tool steel and its different variants (as solidified).
| Steel designation | State | Chemical composition, wt. % | C | Cr | V | W | Mo | Si | Fe |
| Standard T1 high-speed tool steel | T1 high speed | Calculated | 14.3 | 3.74 | 59.28 | 19.98 | 2.62 | 5.16E − 09 | 0.08 | Measured | 16 | 3.60 | 63.29 | 17.09 | 3.20 | — | 0.02 |
| Vanadium-modified T1 high-speed tool steel | 2V-13W | Calculated | 14.50 | 3.53 | 61.61 | 17.32 | 2.97 | 3.80E − 09 | 0.07 | Measured | 16.10 | 2.86 | 64.66 | 15.48 | 3.30 | — | 0.001 | 3V-8W | Calculated | 14.80 | 3.18 | 64.9 | 13.69 | 3.37 | 2.58E − 09 | 0.06 | Measured | 16.10 | 2.42 | 67.02 | 13.15 | 3.51 | — | 0.001 | 4V-3W | Calculated | 15.06 | 1.96 | 70.75 | 8.39 | 3.81 | 1.39E − 09 | 0.04 | Measured | 16.00 | 2.15 | 73.12 | 9.81 | 3.72 | — | 0.001 |
| Vanadium with extra carbon-modified T1 high-speed tool steel | 2V-13 W-HC | Calculated | 13.9 | 3.83 | 55.04 | 24.01 | 3.12 | 6.35E − 09 | 0.1 | Measured | 15.8 | 3.68 | 59.24 | 21.30 | 2.97 | — | 0.02 | 3V-8W-HC | Calculated | 13.67 | 3.85 | 52.81 | 26.37 | 3.18 | 6.73E − 09 | 0.11 | Measured | 14.70 | 4.16 | 50.83 | 28.17 | 3.34 | — | 0.19 | 4V-3W-HC | Calculated | 14.15 | 4.37 | 53.06 | 22.61 | 5.66 | 1.04E − 08 | 0.15 | Measured | 15.00 | 4.82 | 62.76 | 16.02 | 5.40 | — | 0.03 |
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