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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
CTF40D
-
88.0
12.0
-
-
-
5.32
2.0%wax
6.0
3.20
27
87.5
14.30
2800
CTD20A
-
91.0
9.0
-
-
-
5.56
2.0%PEG
8.0
3.70
25
86.5
14.60
2500
CTT20A
P20
79.3
8.0
8.7
4.0
-
6.82
2.0%wax
2.0
2.70
30
91.8
12.40
2200
CTK10F
K10
93.3
6.5
-
-
0.20
5.76
2.0%wax
1.8
3.40
27
92.0
14.86
3200
CTK30F
K30
91.1
8.5
-
-
0.4
5.63
2.0%wax
1.8
3.10
29
91.0
14.65
2800
CTK50
K50
90.0
10.0
-
-
-
5.52
2.0%wax
1.8
3.20
28
90.5
14.54
2800
CTF05
K02
97.0
3.0
-
-
-
5.98
2.0%wax
4.0
3.35
25
92.0
15.25
2100
CTD22
-
90.8
9.2
-
-
-
5.55
2.0%wax
4.0
3.20
28
88.4
14.62
2600
CTU15F
K10-K30
91.4
8.0
-
-
0.6
5.76
2.0%wax
0.6
3.00
28
93.0
14.65
4200
CTU25UF
K10-K50
86.0
12.0
-
-
1.4
5.49
2.0%wax
0.4
2.70
30
93.0
14.10
4000
CTU10
K10
93.85
6.0
-
-
0.15
5.84
2.0%wax
0.8
3.05
27
93.0
14.85
2700
CTU20
K10-K20
89.5
10.0
-
-
0.5
5.57
2.0%wax
0.8
2.85
30
91.8
14.45
3400
CTU30
K20-K30
85.7
13.5
-
-
0.8
5.38
2.0%wax
0.8
2.70
32
90.5
14.00
3500
CTK02
K01
95.9
4.0
-
-
0.1
5.92
2.0%wax
1.3
3.40
24
92.7
15.15
2100
CTK05
K05
94.0
6.0
-
-
-
5.79
2.0%wax
1.5
3.40
24
92.0
14.90
2450
CTK10
K10
94.0
6.0
-
-
-
5.78
2.0%wax
2.0
3.40
26
91.5
14.90
2500
CTK20
K20
94.0
6.0
-
-
-
5.79
2.0%wax
3.0
3.40
27
91.0
14.90
2600
CTK30
K30
92.0
8.0
-
-
-
5.64
2.0%wax
3.0
3.35
28
90.0
14.70
2700
CTK40
K40
91.0
9.0
-
-
-
5.57
2.0%wax
3.0
3.20
29
89.5
14.60
2800
CTF20D
-
94.0
6.0
-
-
-
5.76
2.0%wax
4.0
3.40
26
90.0
14.90
2600
CTF25D
-
92.0
8.0
-
-
-
5.63
2.0%wax
5.0
3.40
26
89.5
14.70
2800
CTF31
-
90.5
9.5
-
-
-
5.59
2.0%wax
4.0
3.30
26
89
14.43
2800
CTF40
-
88.0
12.0
-
-
-
5.40
2.0%wax
2.0
3.10
27
89.0
14.40
3000
CTF45
-
87.0
13.0
-
-
-
5.34
2.0%wax
2.5
3.05
30
88.5
14.20
3100
CTF50
-
85.0
15.0
-
-
-
5.20
2.0%wax
3.5
2.90
30
87.5
14.00
3000
CTF60
-
80.0
20.0
-
-
-
4.91
2.0%wax
5.5
2.75
32
84.5
13.65
2700
CTF65
-
78.0
22.0
-
-
-
4.78
2.0%wax
5.5
2.70
33
84.0
13.40
2700
CTF70
-
75.0
25.0
-
-
-
4.60
2.0%wax
5.5
2.65
33
82.5
13.18
2400
CTD10
-
94.0
6.0
-
-
-
5.77
2.0%wax
8.0
3.40
26
89.0
14.95
2500
CTD20
-
92.0
8.0
-
-
-
5.64
2.0%wax
8.0
3.40
26
86.5
14.60
2500
CTD25A
-
90.0
10.0
-
-
-
5.51
2.0%wax
3.0
3.30
26
88.5
14.50
2850
CTD50
-
85.0
15.0
-
-
-
5.20
2.0%wax
6.0
3.20
27
86.0
14.00
3000
CTT20
P20
72.0
8.0
8.0
12.0
-
6.86
2.0%wax
2.0
2.70
30
92.2
12.40
1900
CTT30
P30
75.8
8.0
6.2
10.0
-
6.60
2.0%wax
2.0
2.80
28
91.5
12.80
2100

Chinatungsten online 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

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