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UMCo 50 Chemical Composition
| % | C | Si | Mn | S | P | Ni | Cr | Co | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | 0.05 | 0.5 | 0.5 | – | – | 2 | 27 | 48 | 1 | Blance |
| Max | 0.12 | 1 | 1 | 0.02 | 0.02 | 2.5 | 29 | 52 | 1.5 | Blance |
UMCo 50 Physical Properties
| Specific gravity | Melting temperature | Electrical Resistivity (25°C) | Thermal expansion (0∼1000°C) | Specific thermal conductivity (22°C) |
|---|---|---|---|---|
| 8.05 | 1380∼1395°C | 82.5Ω•cm | 16.8 X 10-6 /°C | 0.022cal/cm/sec./°C |
UMCo 50 Alloy mechanical properties
| Tensile strength kgf/mm2 | Yield strength(0.2%)kgf/mm2 | Elongation% | |
|---|---|---|---|
| 3mm Sheet (Flat rolled) | 90∼118 | 37∼46 | 10∼28 |
| 3mm Sheet : 1100°C X 30’Annealed | 80∼90 | 30∼37 | 10∼20 |
UMCo 50 Alloy High temperature hardness (Forgings)
| Temperature (°C) | Forgings (HV) |
|---|---|
| 20 | 260 |
| 600 | 228 |
| 700 | 210 |
| 800 | 160 |
| 860 | 76 |
| After work hardening | 425 |
High temperature corrosion
| Temperature(°C) | Time | Reduced weight g/m2 | Reduced weight g/m2/hr | |
|---|---|---|---|---|
| Plate (Flat rolled) | 1000 | 144hr | 26∼83 | 0.18∼0.58 |
| Plate (Flat rolled) | 1200 | 144hr | 200∼120 | 0.69∼0.83 |
Features:
- High-Temperature Performance: UMCo-50 is a cobalt-based alloy with excellent high-temperature performance, maintaining good mechanical properties and oxidation resistance in elevated temperature environments.
- Wear and Corrosion Resistance: The alloy exhibits good wear and corrosion resistance at high temperatures, making it suitable for applications requiring resistance to wear and thermal corrosion.
- High-Temperature Strength: UMCo-50 offers high-temperature strength, suitable for demanding thermal applications.
Applications:
- Oil and Gas Industry: UMCo-50 is widely used in the oil drilling and gas extraction industry, especially in components subjected to high-temperature, high-pressure, and corrosive environments, such as drill bits, pumps, and pipe joints, improving the durability and operational efficiency of equipment.
- Steel Industry: UMCo-50 is commonly used to manufacture heat-resistant pads for steel reheating furnaces. Compared to other alloys, it offers improved oxidation resistance and wear resistance, enhancing high-temperature creep strength and service life.
- Coal Gasification Burners: The alloy is widely used in coal gasification burners due to its excellent resistance to high-temperature oxidation and corrosion, making it suitable for harsh thermal and corrosive environments.
- Other High-Temperature Applications: UMCo-50 is also suitable for various industrial applications requiring high-temperature resistance, wear resistance, and corrosion resistance.
