Grade |
Cobalt content
Co% |
Density g/cm 3 | Hardness HV30 | Hardness HRA | Strength N/mm2 |
K1C
MPa.m 1/2 |
Grain size μm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G06A | 6 | 14.9 | 1740 | 92.5 | 3500 | 12 | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G15 | 10 | 14.5 | 1600 | 91.5 | 4000 | 11 | 0.8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G20 | 10 | 14.5 | 1660 | 91.8 | 4000 | 10 | 0.7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G25 | 12 | 14.2 | 1750 | 92.3 | 4000 | 12 | 0.6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G25UF | 12 | 14.2 | 1780 | 92.5 | 4200 | 12 | 0.5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G30SF | 10 | 14.4 | 1700 | 92.3 | 4200 | 12 | 0.5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G35 | 9 | 14.3 | 1960 | 93.7 | 4000 | 10 | 0.3 |
Grade | Metallographs | Recommended applications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G06A |
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It is suitable for cutting nonferrous metals, high-silicon aluminum alloy, carbon fabric composites and graphite products (diamond coating). |
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G15 |
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Classic grade for more than 30 years,several thousands of tons sales.It has excellent impact resistance and strong versatility, and is suitable for rough and fine finishing process of general metal materials as well as steel, cast iron, aluminum alloy and other materials below 50HRC. |
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G20 |
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It has better micro-structure with good wear-resistance,high toughness and more versatility,It is suitable for rough and finishing process of steel, stainless steel aluminum alloy, and other materials below 52HRC. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G25 |
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It has good properties such as good wear-resistance,high toughness and more versatility,It is suitable for processing carbon steel, die steel, 316L stainless steel, etc. It is recommended to be used for manufacturing semi finishing and finishing milling cutters for materials below 60HRC. |
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G25UF |
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It is suitable for rough and finishing process of die steel, stainless steel, superhard aluminum alloy, heat resistant alloy and other general materials below 60HRC. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G30SF
★ |
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It is suitable for cutting alloy steel, stainless steel, non-ferrous metal, high temperature alloy and other materials, especially for rough and finishing process of stainless steel materials. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
G35
★ |
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It is suitable for cutting high wear-resistant materials such as hardened steel, graphite, aluminum alloy and composite materials. |
Grade |
Cobalt
content Co % |
Density
g/cm 3 |
Hardness
HV30 |
Hardness HRA | Strength N/mm 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GSF20A | 6.5 | 14.7 | 2150 | 94.3 | 4000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GSF15A | 5 | 14.9 | 2000 | 94 | 4000 |
Grade | Metallographs | Recommended applications | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GSF20A |
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It has ultra-fine grains, with high hardness and high strength, which is suitable for making PCB micro drills and micro routers. It is recommended to be used for making PCB routers above Φ0.8.Routers have excellent wear resistance, strength and rigidity for various PCB processing. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GSF15A |
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It has ultra-fine grains, with high hardness and high strength, which is suitable for making PCB micro drills and micro routers. It is recommended to be used for making PCB micro drills. Drills have excellent wear resistance, impact resistance, strength and rigidity for various PCB processing. |