Factory Supply Cemented Tungsten Carbide Heading Dies for Making Bolts and Nuts
Specification of carbide cold heading die
In standard parts industry, tungsten carbide cold heading dies need to under great unit pressure in cold upsetting deformation process , when a large degree of deformation and material hardness, units of pressure up to 2000MPa more.
At the same time the metal flow intense, thus requiring tungsten carbide cold heading dies have high strength, high hardness and good fatigue resistance, in order to ensure the cold heading dies under high pressure without breaking, deformation and wear resistance.Tungsten carbide cold heading die raw material is produced by powder metallurgy composite materials, which have high hardness, wear resistance,life is several times and several hundred times than ordinary cold heading die.
With carbide manufacturing standard tungsten carbide cold heading die, not only have high dimensional accuracy of parts, but also greatly improve the life of the cold heading die, can create good economic and social benefits.
| Mingri Grade | Density | Hardness | TRS(Mpa) | Application | Grade in China |
| YM15 | 14.0 | 87.0 | 3000 |
It is suitable for drawing steel tubes and rods under high compression ratio, manufacturing upsetting, punching and stampling tools under large stress.
| YG15 |
| YM20 | 13.5 | 85.5 | 2800 |
It is suitable for manufacturing punching dies for watch parts, leaf spring of musical instruments, battery jars, small sized steel balls, screws, screw caps,etc.
| YG20 |
| ML35 | 13.7 | 84 | 2800 |
It is suitable for impact-resistant forging dies, hot-forging dies and finishing rollers.
| YG18C |
| ML40 | 13.5 | 83.0 | 2850 |
It is suitable for wear resistant or impact resistant dies.
| YG20C ZL40.2 |
| ML60 | 13.1 | 81.5 | 2950 |
It is suitable for stainless screw dies and semifinishing rollers.
| YG25C ZL40B |
| ML80 | 13.1 | 83.0 | 3200 |
It is suitable for screw cap forming dies with high strength(highest impact-resistant forging dies.
| GT55 |
Application of carbide cold heading
1, The tungsten carbide cold heading are wildly use in maufacturing of nuts, screw bolts and special shaped products.
2, Our carbide cold dies,has an excellent strength and toughness,suitable for the production of standard cold,cold heading,cold pressing dies,
3, widely use in electronic industry ,IC industry,LED lead frame,EI silicon steel etc.
Company introduction
Zhuzhou Mingri Tungsten Carbide Co., Ltd. was established in May of 2001 with the investment of RMB 40 million. We have up-to-date production machine line and a lot of technicians.
Zhuzhou MingRi Cemented carbide co.,ltd is located in the tungsten carbide hometown , convenient transportation, from changsha airport just 40 minutes, wuhan just 1.5 hour, from guangzhou just 2 hours. A favorable peripheral environment for cemented carbide manufacturing provides a natural barrier. Convenient traffic for tomorrow's internationalization laid a wide road.
Our advantages of carbide cold heading die
1.Real manufacture
2. Mature production management with over 15 years experience.
3. with 30,000KG/month capacity.
4. Quality and delivery time ensured.
5. Hundreds of moulds available now.
6. Customized for your special needs.
7. Over 70% products serves outside China.
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