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Tungsten Grades Powders

Grade ISO grade Chemical composition(% in weight) Powder characteristics Physical properties as sintered
WC Co TiC TaC othe
 T.C Lubricant Average
grain sizeWC(um)		 Apparent density g/cm3 Flow
rate
Sec/50g		 Hadrdness HRA±0.5 Density
g/cm3
±0.1		 TRS
Mpa
min
GF40D - 88.0 12.0 - - - 5.32 2.0%wax 6.0 3.20 27 87.5 14.30 2800
GD20A - 91.0 9.0 - - - 5.56 2.0%PEG 8.0 3.70 25 86.5 14.60 2500
GT20A P20 79.3 8.0 8.7 4.0 - 6.82 2.0%wax 2.0 2.70 30 91.8 12.40 2200
GK10F K10 93.3 6.5 - - 0.20 5.76 2.0%wax 1.8 3.40 27 92.0 14.86 3200
GK30F K30 91.1 8.5 - - 0.4 5.63 2.0%wax 1.8 3.10 29 91.0 14.65 2800
GK50 K50 90.0 10.0 - - - 5.52 2.0%wax 1.8 3.20 28 90.5 14.54 2800
GF05 K02 97.0 3.0 - - - 5.98 2.0%wax 4.0 3.35 25 92.0 15.25 2100
GD22 - 90.8 9.2 - - - 5.55 2.0%wax 4.0 3.20 28 88.4 14.62 2600
GU15F K10-K30 91.4 8.0 - - 0.6 5.76 2.0%wax 0.6 3.00 28 93.0 14.65 4200
GU25UF K10-K50 86.0 12.0 - - 1.4 5.49 2.0%wax 0.4 2.70 30 93.0 14.10 4000
GU10 K10 93.85 6.0 - - 0.15 5.84 2.0%wax 0.8 3.05 27 93.0 14.85 2700
GU20 K10-K20 89.5 10.0 - - 0.5 5.57 2.0%wax 0.8 2.85 30 91.8 14.45 3400
GU30 K20-K30 85.7 13.5 - - 0.8 5.38 2.0%wax 0.8 2.70 32 90.5 14.00 3500
GK02 K01 95.9 4.0 - - 0.1 5.92 2.0%wax 1.3 3.40 24 92.7 15.15 2100
GK05 K05 94.0 6.0 - - - 5.79 2.0%wax 1.5 3.40 24 92.0 14.90 2450
GK10 K10 94.0 6.0 - - - 5.78 2.0%wax 2.0 3.40 26 91.5 14.90 2500
GK20 K20 94.0 6.0 - - - 5.79 2.0%wax 3.0 3.40 27 91.0 14.90 2600
GK30 K30 92.0 8.0 - - - 5.64 2.0%wax 3.0 3.35 28 90.0 14.70 2700
GK40 K40 91.0 9.0 - - - 5.57 2.0%wax 3.0 3.20 29 89.5 14.60 2800
GF20D - 94.0 6.0 - - - 5.76 2.0%wax 4.0 3.40 26 90.0 14.90 2600
GF25D - 92.0 8.0 - - - 5.63 2.0%wax 5.0 3.40 26 89.5 14.70 2800
GF31 - 90.5 9.5 - - - 5.59 2.0%wax 4.0 3.30 26 89 14.43 2800
GF40 - 88.0 12.0 - - - 5.40 2.0%wax 2.0 3.10 27 89.0 14.40 3000
GF45 - 87.0 13.0 - - - 5.34 2.0%wax 2.5 3.05 30 88.5 14.20 3100
GF50 - 85.0 15.0 - - - 5.20 2.0%wax 3.5 2.90 30 87.5 14.00 3000
GF60 - 80.0 20.0 - - - 4.91 2.0%wax 5.5 2.75 32 84.5 13.65 2700
GF65 - 78.0 22.0 - - - 4.78 2.0%wax 5.5 2.70 33 84.0 13.40 2700
GF70 - 75.0 25.0 - - - 4.60 2.0%wax 5.5 2.65 33 82.5 13.18 2400
GD10 - 94.0 6.0 - - - 5.77 2.0%wax 8.0 3.40 26 89.0 14.95 2500
GD20 - 92.0 8.0 - - - 5.64 2.0%wax 8.0 3.40 26 86.5 14.60 2500
GD25A - 90.0 10.0 - - - 5.51 2.0%wax 3.0 3.30 26 88.5 14.50 2850
GD50 - 85.0 15.0 - - - 5.20 2.0%wax 6.0 3.20 27 86.0 14.00 3000
GT20 P20 72.0 8.0 8.0 12.0 - 6.86 2.0%wax 2.0 2.70 30 92.2 12.40 1900
GT30 P30 75.8 8.0 6.2 10.0 - 6.60 2.0%wax 2.0 2.80 28 91.5 12.80 2100

GESAC produces various types of ready to press powders which is widely used in manufacture of cemented carbide.The products have the following characteristics:
1、Stable apparent density
2、Excellen flowability thanks to spherical aspect of the powder
3、Good compressibility
4、High chemical purity,well control of carbon content
5、The cemented carbide made of our RTP has excellent physical properties