Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 1000pcs/month |
| Delivery Time | 1-25 work days |
| Diameter | 6-20mm |
| length | 330mm |
| Co% | 9% |
| HRA | 91.2 |
| Hardness HV30 | 1520 |
| Density | 14.4 |
| Material | Tungsten Carbide |
| Brand Name | PM |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000pcs/month |
| Delivery Time | 1-25 work days | Diameter | 6-20mm |
| length | 330mm | Co% | 9% |
| HRA | 91.2 | Hardness HV30 | 1520 |
| Density | 14.4 | Material | Tungsten Carbide |
| Brand Name | PM | ||
| High Light | Unground Cemented Carbide Rod ，Unground Carbide Bar Stock ，Cemented Carbide Rod ST15D | ||
Tungsten Carbide Unground Rods with 3 Helix Coolant Holes 30° Length 330mm for Drilling tools
Our rods have different grade and right to use on different application; Specially we are produce the Nano Grain carbide (Grain＜0.2µm); Our rods are with high hardness and wear/corrosion resistance, all products with stable quality;
l Dimension: diameter from 6-20mm, length 330mm;
l with 30° helix holes rods;
Grade Information
| Grade | Co% | Grain Size of WC | Hardness |
Hardness |
Density | Flexural Strength | Fracture Toughness |
Elastic Mod- ulus | Coefficient of Thermal Expansion |
| HRA | HV30 | g/cm³ | MPa | GPa | MNm-3/2 | 0-6/℃ | |||
| ST15D | 9 | Sub-Micron | 91.2 | 1520 | 14.4 | 3500 | 13 | 500 | 5.3 |
| Diameter D(mm) | Toleance | Length L(mm) Toleance | Hole Spacing TK(mm) Toleance | Hole size d(mm) Toleance | “Thread (±0.5°)” |
a孔中心偏离 | |||||||||||
| 6.3 | +0.9/+1.3 | 330 | +0/+5 | 2.90 | +0/-0.30 | 0.50 | ±0.10 | 32.65 -0.65/+0.67 | ±4° | ||||||||
| 10.3 | +0.9/+1.3 | 330 | +0/+5 | 5.10 | +0/-0.30 | 0.85 | ±0.15 | 54.41 -1.08/+1.11 | ±4° | ||||||||
| 14.3 | +1.1/+1.5 | 330 | +0/+5 | 7.30 | +0/-0.50 | 1.40 | ±0.15 | 76.18 -1.51/+1.56 | ±4° | ||||||||
| 18.3 | +1.1/+1.5 | 330 | +0/+5 | 9.50 | +0/-0.50 | 1.70 | ±0.20 | 97.95 -1.94/+2.00 | ±4° | ||||||||
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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