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

Table 8

Chemical composition of the matrix 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	1.71E − 03	2.95	0.11	0.87	0.06	0.28	95.73
	Measured	5.27E − 06	3.00	0.2	1.5	0.10	0.30	95.3
Vanadium-modified T1 high-speed tool steel
2 V-13W	Calculated	1.43E − 03	3.38	0.15	0.94	0.08	0.25	95.19
	Measured	3.94E − 06	2.635	0.11	0.245	—	0.22	97.011
3V-8W	Calculated	1.10E − 03	4.14	0.23	1.05	0.12	0.23	94.23
	Measured	3.13E − 06	3.309	0.166	0.27	0.15	0.21	96.255
4V-3W	Calculated	5.03E − 04	4.20	0.50	1.17	0.23	0.22	93.69
	Measured	2.43E − 06	4.272	0.278	0.288	0.27	0.22	95.16
Vanadium with extra carbon-modified T1 high-speed tool steel
2V-13W-HC	Calculated	2.30E − 03	2.30	0.07	0.76	0.06	0.26	96.55
	Measured	1.01E − 05	1.35	0.031	0.161	—	0.24	98.46
3V-8W-HC	Calculated	2.70E − 03	2.02	0.06	0.71	0.05	0.24	96.91
	Measured	1.84E − 05	0.94	0.015	0.125	—	0.21	98.92
4V-3W-HC	Calculated	4.54E − 03	1.34	0.03	0.35	0.05	0.23	97.99
	Measured	3.64E − 03	1.65	0.049	0.539	—	0.22	97.75