| Tungsten carbide | |||||||||
| Grade | Standard Grade | Density (G/CM 3) |
Hardness (HRA) |
Bending strength (N/MM3) |
Application | ||||
| YT05 | P05 | 12.5-12.9 | ≥92.5 | ≥1080 |
Used in finish machining of quenched steels and high strength steels. |
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| YT15 | P10 | 11-11.7 | ≥91 | ≥1130 |
Used in finish turning, finish milling, finish reaming and rough reaming of carbon steels and alloy steels in nonstop cutting or interrupted cutting. |
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| YT14 | P20 | 11.2-12 | ≥90.5 | ≥1180 |
Used in rough turning and finish turning of carbon steels and alloy steels in processing rough section; or can be used in rough milling, casting hole and rough reaming of carbon steels and alloy steels in processing section. |
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| YT5 | P30 | 12.5-13.2 | ≥89.5 | ≥1370 |
Used in rough turning, rough reaming, semi finishing reaming and rough milling of refractory steels and high manganese steels in interrupted cutting. |
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| YW1 | M10 | 12.6-3.5 | ≥91.5 | ≥1180 | Used in processing refractory steels, high manganese steel, stainless steels, steels and cast irons. | ||||
| YW2 | M20 | 12.4-13.5 | ≥90.5 | ≥1320 |
Used in processing refractory steels, high manganese steel, stainless steels and alloy steels. |
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| YW3 | M10M20 | 12.7-3.3 | ≥92 | ≥1270 |
Used in semi finishing of alloy steels and high strength steels, or rough machining in the condition of low impact force. |
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| YW4 | M10P10 | 12-12.5 | ≥92 | ≥1230 |
Used in finish machining of stainless steels. |
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| YG6X | K10 | 14.7-15.1 | ≥91 | ≥1370 |
Used in rough machining and semi finishing of cast irons and nodular cast irons. |
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| YG6 | K20 | 14.6-15 | ≥89.5 | ≥1420 |
Used in nonstop cutting of cast irons and nonmetal materials, rough threading and finish reaming of borehole. |
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| YG8 | K30 | 14.5-14.9 | ≥89 | ≥1470 |
Used in interrupted cutting and milling of cast irons, nodular cast irons and white irons. |
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| YG11C | K40 | 14-14.4 | ≥87 | ≥1670 |
Used to strike tunable rock-digging machines and drill medium-rigidity rocks or hard rocks. |
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| K14 | K20 | 14.8-15 | ≥89.5 | ≥1400 |
Used in finish machining of cast irons and wrought steels. |
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| YG20 | K50 | 13.4-13.6 | ≥85 | ≥2640 | Used in molding, rolling of high strength alloys. | ||||
| KD20 | K35 | 14.3-14.5 | ≥86.5 | ≥2450 |
Used to strike tunable rock-digging machines and drill medium-rigidity rocks or hard rocks. |
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| KD14 | K30 | 14.8-14.9 | ≥389.5 | ≥2750 |
High toughness and abrasion resistance. Used with spherical gear in mine and oil filed. |
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| KD10 | 14.7-14.9 | ≥90.3 | 2500 |
Used to strike bit tooth, exploration bit (low air pressure) , rock (coefficient: F14-18) |
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| KD15 | 14.5-14.68 | ≥90 | 2600 |
Used to strike exploration bit (high air pressure), rock interlayer. |
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| KD30 | 14.35-14.51 | ≥88.2 | 2800 | Widely used as drill in engineering. | |||||
| KD35 | 14.2-14.31 | ≥87.5 | 2800 |
Used as toothed-roller bit in mine and hob tooth. Widely used in mine. |
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| KD40 | 14.1-14.18 | ≥86.5 | 2900 |
Widely used in mine and oil filed. Used as toothed-roller bit in mine and irregular tooth in engineering. |
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| KD50 | 13.9-14.01 | ≥86 | 2900 |
Used as toothed-roller bit in mine. |
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| KD55 | 13.8-13.9 | ≥85 | 2800 |
Used as diamond composite base. |
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| KD40U | 14.12-14.25 | ≥87.5 | 3000 | Used as toothed-roller bit in mine. | |||||
| KD55U | 13.8-13.93 | ≥86.5 | 3000 |
Used as diamond composite base and toothed-roller bit in mine. |
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| RL10 | K05-K15 | 14.75-14.95 | ≥92.6 | 3000 |
Used in finish machining and semi finishing of cast irons and nonferrous metals as a micrograin hard alloys. High intensity and good wear resistance. |
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| RL30 | K20-K30 | 14.33-14.53 | ≥91.2 | 3000 |
Widely used in finish machining and semi finishing as a micrograin hard alloys. Good wear resistance and toughness. It is a good coating substrate. |
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