Monel 400 is copper nickel alloy,has good corrosion resistance. In salty water or seawater has excellent resistance to pitting corrosion, stress corrosion ability. Especially hydrofluoric acid resistance and resistance to the hydrochloric acid. Widely used in the chemical, oil, Marine industry.
It is widely used on many aspects,like valve and pump parts, electronic components, chemical processing equipment, gasoline and freshwater tanks, petroleum processing equipment, propeller shafts, marine fixtures and fasteners,boiler feedwater heaters and other heat exchangers.
| Item | Ni | Cu | Fe | Mn | C | Si | S |
| Monel 400 | ≥63 | 28-34 | ≤2.5 | ≤2 | ≤0.3 | ≤0.5 | ≤0.025 |
| Item | Density | Melting point | Tensile Strength | Yield Strength | Elongation | HB |
| Monel 400 | 8.83 g/cm3 | 1300-1390℃ | 480 | 170 | 35% | ≥331 |
| Monel 400 | Bar/Rod | Forging | Pipe | Sheet/Strip | Welding Wire |
| Standard | ASTM B164 | ASTM B564 | ASTM B165 | ASTM B127 | ErNiCu-7 |
| Item | Ni | Cu | Al | Ti | Fe | Mn | C | Si | S |
| Monel K500 | ≥63 | 27-33 | 2.3-3.15 | 0.35-0.85 | ≤2 | ≤1.5 | ≤0.25 | ≤0.5 | ≤0.01 |
| Item | Density | Melting point | Tensile Strength | Yield Strength | Elongation | HB |
| Monel K500 | 8.05 g/cm3 | 1288-1343℃ | 1100 | 790 | 20% | ≥331 |
| Monel k500 | Bar/Rod | Forging | Pipe | Sheet/Strip | Welding Wire |
| Standard | ASTM B865 | AMS4676 | ASTM B865 | ASTM B564 | ErNiCu-7 |
Monel tubes are widely used in various fields due to their excellent corrosion resistance and high temperature strength. The application areas of Monel tubes include but are not limited to the following:
1. Chemical industry: Monel tubes can be used for the production and transportation of strong acid and alkali media such as chlorides, nitric acid, sulfuric acid, as well as seawater treatment, petrochemicals, and other fields.
2. Aerospace industry: Due to the excellent high temperature performance and corrosion resistance of Monel alloy, it is widely used in the manufacture of high temperature components such as engines and turbines.
3. Marine engineering: Monel tubes have excellent corrosion resistance to seawater, so they are widely used in seawater desalination, offshore oil exploitation, and shipbuilding.
4. Food processing industry: Monel tubes have good corrosion resistance and non-toxicity, so they are widely used in production equipment and conveying pipelines in the food processing industry.
In summary, Monel tubes have wide applications in many fields due to their excellent corrosion resistance, high temperature strength, and non-toxicity.
