| Brand Name: | PM |
|---|---|
| Minimum Order Quantity: | 1 |
| Delivery Time: | 10 working days |
| Payment Terms: | L/C, T/T |
| Product Material: | Tungsten Carbide,100% Original Carbide | Product: | Mold Parts |
|---|---|---|---|
| Grade: | MD40A | Application: | For Upper And Lower Dies,Stamping And Cutting |
| 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: | Hip Sintered Carbide Punches And Dies,Hip Sintered Carbide Punches |
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Carbide Rings Grade MD40A for Punch (Counting Punches Type B)
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/℃ | |||
| MD40C | 12 | Fine | 89.7 | 1400 | 14.1 | 3800 | 16 | 470 | 5.7 |
| 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 |
