| Brand Name: | PM |
|---|---|
| Minimum Order Quantity: | 1 |
| Delivery Time: | 1-20 working days |
| Payment Terms: | L/C, T/T |
| Product Material: | Tungsten Carbide,100% Original Carbide | Product: | Vehicle Mould,mold Parts,Auto Stamping Parts |
|---|---|---|---|
| Grade: | MD40B | 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, | ||
| High Light: | Cemented Tungsten Steel Rings,Tungsten Steel Rings For Nonferrous Metals |
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Carbide Rings Grade MD40B For Mold Part
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 |
