GRADECHEMICAL COMPOSITION(%) WTiTaNbCrTotal carbonFree carbonIMPURITY(%max) FeSiAlONNaKCaS (Ti,Ta)C 35.0±0.553.0±0.5 12.0±0.2=0.20.060.010.010.30.20. 0050.0050.010.01 (W,Ta)C55 47.0±0.5 46.8±0.5 6.15±0.2=0.150.060.010.010.30.10.0050.0050.010.01 (W,Ta)C 8275.1±0.5 18.8±0.5 6.1±0.1=0.20.060.010.010.30.10.0050.0050.010.01 (W,Ti)C55-147.0±0.539.9±0.5 11.7±0.2=0.10.060.010.010.30.150.0050.0050.010.01 (W,Ti)C55-247.0±0.539.9±0.5 12.6±0.3=0.150.060.010.010.30.150.0050.0050.010.01 (W,Ti)C55-347.0±0.539.9±0.5 12.9±0.3=0.20.060.010.010.30.150.0050.0050.010.01 (W,Ti)C6456.1±0.532.1±0.5 11.3±0.3=0.20.060.010.010.30.150.0050.0050.010.01 (W,Ti)C73-166.7±0.523.1±0.5 9.4±0.2=0.10.060.010.010.30.150.0050.0050.010.01 (W,Ti)C73-265.5±0.524.2±0.5 10.0±0.3=0.150.060.010.010.30.150.0050.0050.010.01 (W,Ti)C73-365.4±0.524.3±0.5 9.7±0.3=0.10.060.010.010.30.150.0050.0050.010.01 (W,Ti,Ta)C-163.1±0.510.7±0.518.0±0.5 7.7±0.3=0.30.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-248.8±0.530.4±0.59.4±0.5 11.1±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-347.0±0.524.0±0.518.8±0.5 10.0±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-442.3±0.517.6±0.531.0±0.5 9.0±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-535.7±0.530.4±0.522.5±0.5 11.2±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-636.1±0.529.7±0.523.0±0.5 11.1±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-737.6±0.528.8±0.522.3±0.5 10.7±0.3=0.150.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-863.1±0.522.2±0.54.7±0.5 9.6±0.3=0.150.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta)C-931.3±0.526.5±0.531.2±0.5 10.7±0.3=0.20.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta,Cr)C-135.0±0.519.6±0.535.5±0.5 0.18±0.049.6±0.2=0.250.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta,Cr)C-240.0±0.522.6±0.527.0±0.5 0.21±0.0510.2±0.2=0.250.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta,Cr)C-344.0±0.525.1±0.520.0±0.5 0.19±0.0510.6±0.2=0.250.060.010.010.30.20.0050.0050.010.01 (W,Ti,Ta,Nb)C-1 55.3±0.5 19.2±0.5 9.3±0.5 6.2±0.5 9.7±0.3 =0.2 0.06 0.01 0.01 0.3 0.1 0.005 0.005 0.01 0.01 (W,Ti,Ta,Nb)C-2 35.2±0.520.0±0.523.4±0.5 11.1±0.5 9.8±0.3 =0.2 0.060.010.010.30.10.0050.005 0.010.01 (W,Ti,Ta,Nb)C-3 21.6±0.5 20.1±0.5 39.2±0.5 8.8±0.5 10.0±0.3 =0.20.06 0.01 0.01 0.30.1 0.005 0.005 0.01 0.01 (W,Ti,Ta,Nb)C-437.5±0.532.0±0.511.2±0.57.1±0.5 11.7±0.3=0.20.060.010.010.30.10.0050.0050.010.01 Particle size:0.5-500micron ,5-400mesh;Particle size and chemical composition are modified on request. -