Monel Series
Monel 400 / UNS N04400/ W.Nr.2.4360
Monel K-500 / UNS N05500
Chemical Composition Wt.%:
Ni: ≥63.0,
Cu: 28.0~34.0,
Fe: ≤2.5,
C:≤2.5,
Mn: ≤2.0,
Si: ≤0.5,
S: ≤0.024
Physical Constants:
Density: 8.83 g/cm³
Melting Point: 1300~1350 °C
Mechanical Properties (Solution RT):
Tensile Strength ≥ 480 MPa
Yield Strength ≥ 170 MPa
Elongation ≥ 35%
Advantages of Monel 400:
Monel 400 is a corrosion-resistant alloy with the largest usage, widest applications, and excellent overall performance. It exhibits exceptional corrosion resistance in hydrofluoric acid, fluorine gas, hot concentrated alkaline solutions, neutral solutions, water, seawater, atmosphere, and organic compounds. It generally does not suffer from stress corrosion cracking and has good machinability.
Application:
1.Seamless water supply and steam pipes in power plants.
2.Seawater heat exchangers and evaporators.
3.Sulfuric acid and hydrochloric acid environment equipment.
4.Crude oil distillation equipment.
5.Pump shafts and propellers for seawater service equipment.
6.Equipment used in uranium extraction and isotope separation.
7.Pumps and valves for hydrochloric acid production equipment.
Chemical Composition Wt.%:
Ni: ≥63.0,
Cu: 27.0~33.0,
Al: 2.3~3.15,
Ti: 0.35~0.85,
Fe: ≤2.0,
Mn: ≤1.5,
S: ≤0.01,
C: ≤0.25,
Si: ≤0.5
Physical Constants:
Density: 8.89 g/cm³
Melting Point: 1288~1343 °C
Mechanical Properties (Solution RT):
Tensile Strength ≥ 1100 MPa
Yield Strength ≥ 790 MPa
Elongation ≥ 35%
Advantages of Monel K-500:
MONEL K500 offers the same corrosion resistance as Alloy 400 but with significantly higher mechanical strength and hardness. It also possesses good resistance to thermal corrosion and excellent long-term microstructural stability.
Application:
1.Turbine blades for aero-engines (≤750°C) and gas turbine blades.
2.Fasteners and springs for marine applications.
3.Pump and valve components for chemical processing equipment.
4.Doctor blades for paper manufacturing equipment.