Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd
| Payment Terms | L/C, T/T |
| Delivery Time | 10 working days |
| Product material | tungsten carbide,100% Original Carbide |
| Product | Vehicle Mould,mold parts,Auto Stamping Parts |
| Grade | MD65A |
| Application | For Upper and Lower dies,Stamping and Cutting |
| Size | Any SIze |
| Type | Any Type |
| Advantage | Electrochemical corrosion resistance;Hip sintered, high hardness, high wear resistance;Tunable residual stress; |
| Surface treatment | Polishing/Rough Grinding |
| Usage | For mould, Stamping Work, Cemented carbide dies, |
| Brand Name | PM |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 10 working days |
| Product material | tungsten carbide,100% Original Carbide | Product | Vehicle Mould,mold parts,Auto Stamping Parts |
| Grade | MD65A | Application | For Upper and Lower dies,Stamping and Cutting |
| Size | Any SIze | Type | Any Type |
| Advantage | Electrochemical corrosion resistance;Hip sintered, high hardness, high wear resistance;Tunable residual stress; | Surface treatment | Polishing/Rough Grinding |
| Usage | For mould, Stamping Work, Cemented carbide dies, | Brand Name | PM |
| High Light | Rustproof Tungsten Carbide Rings ，Tungsten Carbide Rings MD65A ，Rustproof tungsten carbide mechanical seal | ||
High performance cemented carbides for molding；Standard Specification For Square Material and Standard Specifications Of The Rings. Also we can produce the your drawing of ring.
Polarization curve (corrosion current reduced, corrosion rate decreased significantly, corrosion resistance improved significantly)
| Grade | Co% | WC Grain size | Hardness | Density | Flexural Strength | Fracture Toughness | Elastic Modulus | Coefficient of Thermal Expansion | |
| HRA | HV30 | g/cm3 | MPa | N/mm2 | GPa | 10-6/℃ | |||
| ST37NF | 15 | Nano | 92.0 | 1700 | 13.8 | 4800 | 10 | 430 | 6.3 |
| ST37UF | 15 | Ultra-fine | 91.5 | 1630 | 13.8 | 4200 | 11 | 430 | 6.3 |
| MD15 | 12 | Ultra-fine | 92.2 | 1730 | 14.1 | 5100 | 10 | 470 | 5.7 |
| MD10 | 10 | Sub-Micron | 91.7 | 1660 | 14.4 | 4300 | 11 | 490 | 5.4 |
| MD33A | 12 | Sub-Micron | 90.3 | 1470 | 14.2 | 4000 | 14 | 470 | 5.7 |
| MD20 | 13 | Sub-Micron | 90.6 | 1500 | 14.2 | 4100 | 15 | 460 | 5.8 |
| MD36 | 15 | Sub-Micron | 89.4 | 1360 | 13.8 | 3900 | 16 | 430 | 6.3 |
| MD16 | 6 | Fine | 90.5 | 1500 | 14.8 | 3200 | 12 | 530 | 4.9 |
| MD40B | 12 | Fine | 89.5 | 1380 | 14.2 | 3800 | 17 | 470 | 5.7 |
| MD40C | 12 | Fine | 89.7 | 1400 | 14.1 | 3800 | 16 | 470 | 5.7 |
| MD55 | 20 | Fine | 86.4 | 1060 | 13.5 | 3100 | - | 390 | 6.8 |
| MD40A | 12 | Medium | 88.9 | 1310 | 14.2 | 3700 | 27 | 470 | 5.7 |
| MD45A | 15 | Medium | 87.9 | 1200 | 13.9 | 3600 | - | 430 | 6.3 |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1994
Total Annual:
2000000-11000000
Employee Number:
200~220
Ecer Certification：
Active Member
Hunan Boyun Dongfang Powder Metallurgy Co., Ltd. was founded in 1994 by the Institute of powder metallurgy of Central South University of Technology (now the research center of powder metallurgy engineering of Central South University) and Hunan Yinzhou Co., Ltd. (now the wholly-owned membe... Hunan Boyun Dongfang Powder Metallurgy Co., Ltd. was founded in 1994 by the Institute of powder metallurgy of Central South University of Technology (now the research center of powder metallurgy engineering of Central South University) and Hunan Yinzhou Co., Ltd. (now the wholly-owned membe...
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