NIMONIC® lega 90

NIMONIC-Alloy-90

NIMONIC® Alloy 90: Product Introduction

NIMONIC® alloy 90 is a nickel-chromium-cobalt alloy known for its high strength and excellent corrosion resistance at elevated temperatures. Developed for applications requiring robust performance in aggressive environments, this alloy finds extensive use across various industries.

Composizione chimica

ElementoComposizione (%)
Nichel (Ni)53.0-57.0
Cromo (Cr)18.0-21.0
Cobalt (Co)15.0-21.0
Ferro (Fe)2,0 massimo
Molibdeno (Mo)1.0-1.5
Titanio (Ti)2.0-3.0
Alluminio (Al)1.0-2.0
Carbonio (C)0.13 max
Silicon (Si)0.5 max
Manganese (Mn)1,0 massimo
Zolfo (S)00,015 massimo
Fosforo (P)00,02 massimo

Proprietà meccaniche

ProprietàValore
Tensile Strength (RT)950 MPa (138 ksi) min
Yield Strength (0.2% offset) (RT)690 MPa (100 ksi) min
Elongation (RT)20% min
Creep Rupture StrengthExcellent at high temperatures
Hardness (HV)280-320 HV

Prestazioni a diverse temperature

Intervallo di temperaturaPrestazione
Temperatura ambienteElevata robustezza e resistenza alla corrosione
Elevated Temperatures (up to 750°C / 1380°F)Excellent creep resistance and thermal stability
Temperature criogenicheRetains ductility and toughness

Applicazioni industriali

NIMONIC® alloy 90 is utilized in various demanding applications:

IndustryApplicazioni
AerospazialeGas turbine components, high-temperature fasteners
Produzione di energiaTurbine blades, high-temperature bolts
Oil & GasWellhead components, valve stems
AutomotiveExhaust valves, turbocharger rotors

Shapes, Sizes, and Production Standards

Forme e dimensioni
ModuloGamma di dimensioni
FogliThickness: 0.5 mm – 6 mm
PiattiSpessore: 1 mm – 100 mm
BarreDiameter: 6 mm – 200 mm
FiloDiametro: 0,1 mm – 10 mm
ForgiatiVarie forme e dimensioni a norma
Production Standards and Corresponding Grades
CountryStandardCorresponding Grade
United StatesAMS 5829N07090
GermaniaDIN 177452.4632
FranciaAFNOR NC 20T
United KingdomBS HR 402HR402
GiapponeJIS HR 402
CinaGB/T 14992

Welding, Machining, Polishing, Heat Treatment, and Cold Working

ProcessDettagli
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 corrosioneLimited availability in certain forms
Excellent creep resistanceMachining can be challenging
Good thermal stability at high temperaturesCostlier compared to some alternatives
Versatile in high-temperature applications

Similar Products

Material GradeComparison
NIMONIC® alloy 80Similar composition with lower cobalt content
Inconel® 718Higher nickel content, different applications

Conclusione

NIMONIC® alloy 90 offers exceptional performance in high-temperature environments, making it a preferred choice in aerospace, power generation, and oil & gas industries. Its robust mechanical properties, combined with reliable corrosion resistance and thermal stability, ensure reliable operation in challenging conditions. Designers and engineers seeking durable materials for critical applications can rely on NIMONIC® alloy 90 for optimal performance and longevity.

Per specifiche tecniche dettagliate e soluzioni personalizzate, si consiglia di consultare i fornitori di materiali e di fare riferimento a schede tecniche di prodotto specifiche.