MONEL® alloy 400 is a nickel-copper alloy known for its excellent corrosion resistance in a wide range of environments. It offers high strength and toughness across a broad temperature range, making it suitable for various industrial applications. This introduction covers its chemical composition, mechanical properties, performance characteristics, industry applications, shapes, sizes, production standards, and other relevant details.
Composition chimique
Élément
Composition (%)
Nickel (Ni)
63.0 min
Cuivre
28.0-34.0
Fer (Fe)
2.5 max
Manganèse (Mn)
2,0 maximum
Silicium (Si)
00,5 maximum
Carbone (C)
0.3 max
Soufre (S)
00,024 maximum
Propriétés mécaniques
Propriété
Valeur
Tensile Strength (Annealed)
517 MPa (75 ksi) min
Yield Strength (Annealed)
172 MPa (25 ksi) min
Elongation (Annealed)
35% min
Hardness (Annealed)
65 HRB max
Performances à différentes températures
Plage de température
Performance
Température ambiante
Excellent corrosion resistance, good mechanical properties
Elevated Temperatures (up to 550°C / 1020°F)
Retains strength and toughness
Températures cryogéniques
Maintient la ductilité et la ténacité
Applications industrielles
MONEL® alloy 400 is utilized in various industries for its corrosion resistance and mechanical properties:
Industrie
Applications
Marin
Propeller shafts, seawater valves, pump shafts
Traitement chimique
Sulfuric acid and hydrofluoric acid production
Oil & Gas
Pump shafts, oil well tools, valve trim
Aérospatial
Aircraft fuel tanks, heat exchanger parts
Formes, tailles et normes de production
Formes et tailles
Formulaire
Gamme de tailles
Feuilles
Thickness: 0.5 mm – 4 mm
Assiettes
Thickness: 1 mm – 100 mm
Barres
Diameter: 6 mm – 200 mm
Tuyaux
OD: 6 mm – 1000 mm
Tubes
OD: 6 mm – 1000 mm
Normes de production et qualités correspondantes
Pays
Standard
Note correspondante
États-Unis
ASTM B127, ASTM B164
UNS N04400
Allemagne
DIN 17750, DIN 17751
2.4360
France
AFNOR NFM 87-310
–
Royaume-Uni
BS 3072, BS 3073
NA13
Japon
JIS NW 4400
–
Chine
GB/T 12771, GB/T 12770
–
Soudage, usinage, polissage, traitement thermique et travail à froid
Processus
Détails
Soudage
Welds easily with matching composition filler metals
Usinage
Requires sharp tools, low cutting speeds, and heavy feed rates
Polissage
Achieves good surface finish with appropriate techniques
Traitement thermique
Annealing at 870°C (1600°F) followed by water quenching
Fonctionnement à froid
Good ductility allows for extensive cold forming
Avantages et inconvénients
Aspect
Avantages
Désavantages
Avantages
Excellent corrosion resistance across many environments
Limited availability in certain forms
Haute résistance et ténacité
Relatively high cost compared to some alternatives
Good mechanical properties at high and low temperatures
Suitable for marine and chemical processing applications
Produits similaires
Qualité du matériau
Comparaison
Alloy K-500
Similar composition with added aluminum and titanium for increased strength
Conclusion
MONEL® alloy 400 stands out as a versatile nickel-copper alloy renowned for its corrosion resistance and mechanical properties across diverse industries. Its ability to withstand harsh environments, coupled with ease of fabrication and reliability, makes it a preferred choice for critical applications in marine, chemical processing, and aerospace sectors. Designers and engineers seeking a robust material capable of performing under demanding conditions can rely on MONEL® alloy 400 for consistent performance and longevity.
For detailed technical specifications and tailored solutions, consulting with material suppliers and referencing specific product data sheets is recommended.
