Its wide range and combination of properties makes Cemented Carbide a versatile engineering material. It has been used for many years for making tools and is now gaining ground as a general engineering material.
But many of the potential uses of Cemented Carbide are as yet unexploited,perhapes because many of its unique properties are not widely known.
Wide scope exists for varing the properties of Cemented Carbide. Certain grades of Cemented Carbide are nearly as hard as diamond. Others are soft enough to be machined with cutting tools.

Grade
Density gr/cm3
Hardness
Trs N/mm2
Compr. Strength N/mm2
Wear Resistance
Reltive Number
Properties & Application Area
HV 3 HRA
Test1
Test2
CS 05
CS 10
CS 20
15.0
14.9
14.7
1800
1750
1600
93.0
92.5
91.5
1700
2000
2300
6900
6700
5900
180
130
80
250
220
130
Properties: Extreme hardness,edge sharpness,wear & compression resistance.
Applications: Fine drawing dies,nozzles centres,glass cutting wheels, pressure anvils, dresser discs, and other items where high wear and resistance is required.
CG 20
CG 40
CG 60
14.9
14.4
13.9
1500
1250
1150
90.5
88.5
87.5
2200
2900
3000
5500
4600
4100
45
10
5
110
30
15
Properties: A well balenced combination of wear resistance and toughness.
Applications: Seal rings, brearing, block and plug gauges, punching tools, drawing dies, rolls, powder pressing tools, work rest blades, etc.
CT 45
CT 50
CT 60
CT 75
CT 85
14.5
14.3
13.9
13.5
13.0
1200
1100
1050
900
800
88.0
87.0
86.5
85.0
83.5
2600
2700
2900
2700
2500
4200
4000
3600
3600
3300
10
7
4
3
2
25
20
15
10
8
Properties: Great toughness and good resistance to impact stresses.
Applications: Cold heading tools,swaging tools and other tools requiring great toughness.
CN 10
CN 20
CN 30
CN 40
10.3
11.7
11.4
13.1
1500
1500
1500
1400
91.0
90.5
90.5
90.0
1700
1800
2000
2400
5700
5500
5600
5700
30
25
25
15
30
30
30
25
Properties: good oxidation and corrosion resistance, little tendency of galling or seizing during metal to metal friction.
Applications: Seal rings and drawing tools for stainless steel,valves and similar items for chemical industry.

 

 

 

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