Research Article

Study on the Microstructure of Vanadium-Modified Tungsten High-Speed Steel-Coded SAE-AISI T1 Steel

Table 6

Chemical composition of M7C3 carbide for T1 high-speed tool steel and its different variants (as solidified).

Steel designationStateChemical composition, wt. %
CCrVWMoSiFe

Vanadium with extra carbon-modified T1 high-speed tool steel
2V-13W-HCCalculated8.7061.675.122.600.3921.51
Measured8.9368.814.500.660.2016.902
4V-3W-HCCalculated8.6855.093.431.820.6530.33
Measured8.7058.114.162.280.5026.25