MONEL® alloy 401 is a nickel-copper alloy known for its high strength and excellent corrosion resistance in a variety of environments. This product introduction covers its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes, sizes, production standards, and other pertinent details.
Composition chimique
Élément
Composition (%)
Nickel (Ni)
66.5 min
Cuivre
31.5-37.0
Fer (Fe)
1,0 maximum
Manganèse (Mn)
1,0 maximum
Silicium (Si)
00,25 maximum
Carbone (C)
0.3 max
Soufre (S)
00,024 maximum
Propriétés mécaniques
Propriété
Valeur
Tensile Strength (Annealed)
760 MPa (110 ksi) min
Yield Strength (Annealed)
345 MPa (50 ksi) min
Elongation (Annealed)
45% min
Hardness (Annealed)
75 HRB max
Performances à différentes températures
Plage de température
Performance
Température ambiante
Excellent corrosion resistance, good mechanical properties
Elevated Temperatures (up to 300°C / 570°F)
Maintains strength and toughness
Températures cryogéniques
Retains ductility and toughness
Applications industrielles
MONEL® alloy 401 finds applications in various industries requiring corrosion resistance and high strength:
Industrie
Applications
Marin
Shipbuilding, seawater piping
Traitement chimique
Sulfuric acid production, chemical vessels
Aérospatial
Aircraft components, fuel tanks
Oil & Gas
Valve trim, pump shafts
Formes, tailles et normes de production
Formes et tailles
Formulaire
Gamme de tailles
Feuilles
Épaisseur : 0,5 mm – 3 mm
Assiettes
Épaisseur : 1 mm – 50 mm
Barres
Diamètre : 6 mm – 100 mm
Tuyaux
Diamètre extérieur : 6 mm – 500 mm
Tubes
Diamètre extérieur : 6 mm – 300 mm
Normes de production et qualités correspondantes
Pays
Standard
Note correspondante
États-Unis
ASTM B127, ASTM B164
UNS N04401
Allemagne
DIN 17750, DIN 17751
2.4361
France
AFNOR NFM 87-310
–
Royaume-Uni
BS 3072, BS 3073
NA11
Japon
JIS NW 4401
–
Chine
GB/T 12771, GB/T 12770
–
Soudage, usinage, polissage, traitement thermique et travail à froid
Processus
Détails
Soudage
Welds with matching composition filler metals
Usinage
Requires sharp tools and proper cooling
Polissage
Achieves good surface finish with mechanical methods
Traitement thermique
Annealing at 870°C (1600°F) followed by water quenching
Fonctionnement à froid
Can be cold worked to various degrees for shaping
Avantages et inconvénients
Aspect
Avantages
Désavantages
Avantages
High strength and corrosion resistance
Limited availability in certain forms
Good ductility and toughness
L'usinage peut être difficile
Suitable for marine and chemical processing applications
Costlier compared to some alternatives
Retains properties at elevated temperatures
Produits similaires
Qualité du matériau
Comparaison
Alliage 400
Similar composition with slightly different mechanical properties
Conclusion
MONEL® alloy 401 is a robust nickel-copper alloy renowned for its corrosion resistance and mechanical strength, making it ideal for marine, chemical processing, and aerospace applications. Its ability to withstand harsh environments and maintain integrity at high temperatures ensures reliability in critical industrial processes. Engineers and designers seeking a durable material for demanding applications can rely on MONEL® alloy 401 for consistent performance and longevity.
For detailed technical specifications and customized solutions, consulting with material suppliers and referencing specific product data sheets is recommended.
