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Carbide wire drawing die nib with using top tungsten steel mold core
Properties & applications of Carbide wire drawing die nib with using top tungsten steel mold core
| Grade | g/cm3 | TRS MPa | Hardness HRA | Performance & application recommended |
| YG4C | 15.10 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. |
| YG6 | 14.95 | 1900 | 90.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
| YG8 | 14.80 | 2200 | 89.5 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
| YK05 | 14.95 | 2500 | 90.5 | Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
| YG8C | 14.80 | 2400 | 88.5 | |
| YK15 | 14.60 | 2450 | 87.6 | Suitable to strips, conical buttons for rotary percussion-resistant, geological prospection buttons, cut soft and medium hard formations. |
| YK20 | 14.40 | 2500 | 86.8 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. |
| YK25 | 14.40 | 2550 | 87.2 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations. |
| YG11C | 14.40 | 2700 | 86.5 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
| YG13C | 14.2 | 2850 | 86.0 | Primarily for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard formations. |
| YG15C | 14.0 | 3000 | 85.5 | For oil cone drill bits, for medium soft and medium-hard rocks. |
Suitable for drawing screwed steel wires of diameter 4, 5, 6, 7, 8, etc. Or different types of steel wire and tubes. Surface finish of inner hole is over Details for drawing and specifications see below.
Nominal diameter number of screws.
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| All dimensions in (mm) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Remarks: size of steel case can be decided by customers. |
Carbide wire drawing die nib with using top tungsten steel mold core
