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
Elemento
Composizione (%)
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
Proprietà
Valore
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 Strength
Excellent at high temperatures
Hardness (HV)
280-320 HV
Prestazioni a diverse temperature
Intervallo di temperatura
Prestazione
Temperatura ambiente
Elevata robustezza e resistenza alla corrosione
Elevated Temperatures (up to 750°C / 1380°F)
Excellent creep resistance and thermal stability
Temperature criogeniche
Retains ductility and toughness
Applicazioni industriali
NIMONIC® alloy 90 is utilized in various demanding applications:
Industry
Applicazioni
Aerospaziale
Gas turbine components, high-temperature fasteners
Produzione di energia
Turbine blades, high-temperature bolts
Oil & Gas
Wellhead components, valve stems
Automotive
Exhaust valves, turbocharger rotors
Shapes, Sizes, and Production Standards
Forme e dimensioni
Modulo
Gamma di dimensioni
Fogli
Thickness: 0.5 mm – 6 mm
Piatti
Spessore: 1 mm – 100 mm
Barre
Diameter: 6 mm – 200 mm
Filo
Diametro: 0,1 mm – 10 mm
Forgiati
Varie forme e dimensioni a norma
Production Standards and Corresponding Grades
Country
Standard
Corresponding Grade
United States
AMS 5829
N07090
Germania
DIN 17745
2.4632
Francia
AFNOR NC 20T
–
United Kingdom
BS HR 402
HR402
Giappone
JIS HR 402
–
Cina
GB/T 14992
–
Welding, Machining, Polishing, Heat Treatment, and Cold Working
Process
Dettagli
Saldatura
TIG and MIG methods recommended; post-weld heat treatment required
Lavorazione
Carbide tools and lubricants for optimal results
Lucidatura
Mechanical and electrochemical methods for desired finish
Trattamento termico
Solution annealing followed by aging
Lavoro a freddo
Cold forming and shaping processes are feasible
Vantaggi e svantaggi
Aspetto
Vantaggi
Svantaggi
Vantaggi
Elevata robustezza e resistenza alla corrosione
Limited availability in certain forms
Excellent creep resistance
Machining can be challenging
Good thermal stability at high temperatures
Costlier compared to some alternatives
Versatile in high-temperature applications
Similar Products
Material Grade
Comparison
NIMONIC® alloy 80
Similar composition with lower cobalt content
Inconel® 718
Higher 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.