Lega NIMONIC® 901

NIMONIC-Alloy-901

NIMONIC® Alloy 901 Product Introduction

NIMONIC® alloy 901 is a nickel-chromium superalloy renowned for its exceptional strength, high-temperature stability, and excellent corrosion resistance. Developed for demanding applications in aerospace, gas turbine engines, and industrial processes, NIMONIC® alloy 901 offers reliability and performance under extreme conditions.

Composizione chimica

ElementoComposizione (%)
Nichel (Ni)40.0-45.0
Cromo (Cr)11.0-14.0
Ferro (Fe)12.5-15.0
Titanio (Ti)2.4-3.1
Alluminio (Al)2.4-2.7
Molibdeno (Mo)2.6-3.1
Cobalt (Co)0.1-0.6
Carbonio (C)0.05 max
Silicon (Si)00,5 massimo
Zolfo (S)00,015 massimo
Fosforo (P)00,015 massimo

Proprietà meccaniche

ProprietàValore
Tensile Strength (RT)1275 MPa (185 ksi) min
Yield Strength (0.2% offset) (RT)1035 MPa (150 ksi) min
Elongation (RT)20% min
Reduction of Area25% min
Durezza (HB)360 HB max

Prestazioni a diverse temperature

Intervallo di temperaturaPrestazione
Temperatura ambienteElevata robustezza e resistenza alla corrosione
Temperature elevate (fino a 650°C / 1200°F)Excellent creep resistance and thermal stability
Temperature criogenicheRetains ductility and toughness

Applicazioni industriali

NIMONIC® alloy 901 finds extensive use in critical applications:

IndustriaApplicazioni
AerospazialeTurbine blades, compressor discs, fasteners
Produzione di energiaGas turbine components, thrust reversers
Oil & GasWellhead components, valve stems
AutomotiveTurbocharger rotors, exhaust valves

Forme, dimensioni e standard di produzione

Forme e dimensioni
ModuloGamma di dimensioni
FogliThickness: 0.5 mm – 6 mm
PiattiSpessore: 1 mm – 100 mm
BarreDiametro: 6 mm – 200 mm
ForgiatiVarie forme e dimensioni a norma
Standard di produzione e gradi corrispondenti
PaeseStandardGrado corrispondente
Stati UnitiAMS 5660UNS N09901
GermaniaDIN 177422.4662
FranciaAFNOR NC 20T
Regno UnitoBS HR 403HR403
GiapponeJIS HR 403
CinaGB/T 14992

Saldatura, lavorazione meccanica, lucidatura, trattamento termico e lavorazione a freddo

ProcessoDettagli
SaldaturaTIG and MIG methods recommended; post-weld heat treatment required
LavorazioneCarbide tools and lubricants for optimal results
LucidaturaMechanical and electrochemical methods for desired finish
Trattamento termicoSolution annealing followed by aging
Lavoro a freddoCold forming and shaping processes are feasible

Vantaggi e svantaggi

AspettoVantaggiSvantaggi
VantaggiElevata robustezza e resistenza alla corrosioneDisponibilità limitata in alcune forme
Excellent creep resistanceLa lavorazione può essere impegnativa
Good ductility and toughness at high temperaturesCostlier compared to some alternatives
Suitable for complex components and high-temperature applications

Prodotti simili

Grado materialeConfronto
Nimonic 90Similar composition with higher cobalt content
Inconel® 718Higher nickel content, different applications

Conclusione

NIMONIC® alloy 901 stands out as a reliable material choice for applications requiring strength, corrosion resistance, and thermal stability at high temperatures. Its precise chemical composition, coupled with robust mechanical properties and adherence to international standards, ensures durability and performance in demanding environments such as aerospace and power generation. Designers and engineers looking for high-performance alloys can trust NIMONIC® alloy 901 for consistent reliability and longevity.

For further technical specifications and tailored solutions, consulting with material suppliers and referencing specific product data sheets is recommended.