Welded Seamless Pipe Corrosion-Resisting Alloy Round Pipe ISO Ni68Cu28Fe/Ni68Cu28Al
Monel welded pipe, that is, welded steel pipe made of Monel alloy, has many advantages, especially in terms of corrosion resistance. Here are some of the main advantages of Monel welded pipe:
- Corrosion resistance: Monel alloy has excellent corrosion resistance and can resist a variety of corrosive media, including salt water, sulfuric acid, phosphoric acid, nitric acid, organic acids, etc. This makes Monel welded pipe ideally suited for use in corrosive environments such as marine engineering, chemical processing, and pollution control.
- High temperature resistance: Monel alloy can maintain its mechanical properties and corrosion resistance in high temperature environments, and is suitable for high temperature applications such as heat exchangers, boilers, etc.
- Mechanical strength: Monel alloy has good mechanical strength and toughness and can maintain these properties even in low temperature environments, making it suitable for applications requiring high strength and wear resistance.
- Resistance to Stress Corrosion Cracking: Monel alloy is highly resistant to stress corrosion cracking caused by chlorides, which makes it particularly useful in marine environments and high-temperature and high-pressure water environments.
- Processability: Monel alloy has good processability and can be formed through processes such as welding, hot working and cold working, making it easy to manufacture complex piping systems.
- Weldability: Monel can be welded by a variety of welding techniques, including gas metal arc welding (GMAW), gas tungsten arc welding (GTAW), and shielded metal arc welding (SMAW).
- Wear resistance: Monel alloy has high hardness and good wear resistance, and is suitable for application environments with severe wear.
- Durability: Due to the corrosion resistance and high temperature resistance of Monel alloy, Monel welded pipe has a long service life, reducing the frequency of maintenance and replacement.
Due to its excellent performance, Monel welded pipe is widely used in various industries such as chemical, petroleum, natural gas, pulp and paper, food processing, etc. However, the cost of Monel alloy is relatively high, so cost-effectiveness and practical application needs need to be considered when selecting materials.
Grade | Form and Condition | Tensile Strength MPa | Yield Strength (0.2% Offset) MPa | Elongation (%) | Hardness Rockwell B |
Monel 400 | Annealed Rod and Bar | 517-620 | 172-345 | 60-35 | 60-80 |
Hot Rolled Plate Annealed | 482-586 | 193-345 | 50-35 | 60-76 |
Sheet Annealed | 482-586 | 207-310 | 45-35 | 65-80 |
Tube Cold drawn Annealed Seamless | 482-586 | 172-310 | 50-35 | 75 max |
Monel K-500 | Rod and Bar Cold Drawn Annealed | 621-758 | 276-414 | 50-25 | 75-90B |
Rod and Bar Cold Drawn Annealed and Aged | 896-1310 | 586-827 | 30-20 | 24-35C |

