سبيكة NIMONIC® 80A

NIMONIC-Alloy-80A

NIMONIC® Alloy 80A: Product Introduction

NIMONIC® alloy 80A is a nickel-chromium alloy renowned for its exceptional strength, high-temperature stability, and oxidation resistance. This precipitation-hardenable alloy is extensively utilized in critical applications across various industries where reliability and performance under extreme conditions are paramount.

التركيب الكيميائي

عنصرتعبير (٪)
النيكل (ني)65.0 min
الكروم (الكروم)18.0-21.0
الحديد (الحديد)3.0 max
الألومنيوم (آل)1.8-2.7
Titanium (Ti)1.0-1.8
الكربون (ج)0.05 max
المنغنيز (من)1.0 كحد أقصى
السيليكون (سي)1.0 كحد أقصى
الكبريت (S)0.015 max
Boron (B)0.01-0.02

الخواص الميكانيكية

ملكيةقيمة
Tensile Strength (RT)910 MPa (132 ksi) min
Yield Strength (0.2% offset) (RT)550 MPa (80 ksi) min
Elongation (RT)20% min
Creep Rupture StrengthExcellent at high temperatures
Hardness (HV)250-310 HV

الأداء في درجات حرارة مختلفة

Temperature RangePerformance
Room TemperatureHigh strength and oxidation resistance
Elevated Temperatures (up to 815°C / 1500°F)Excellent creep resistance and thermal stability
Cryogenic TemperaturesMaintains toughness and ductility

تطبيقات الصناعة

NIMONIC® alloy 80A finds widespread applications across diverse industries:

Industryالتطبيقات
الفضاء الجويGas turbine components, turbine blades, fasteners
توليد الطاقةCombustion chambers, high-temperature bolts
Oil & GasDownhole tools, valve stems
AutomotiveExhaust valves, turbocharger components

الأشكال والأحجام ومعايير الإنتاج

Shapes and Sizes
استمارةSize Range
SheetsThickness: 0.5 mm – 6 mm
PlatesThickness: 1 mm – 100 mm
الحاناتDiameter: 6 mm – 200 mm
الأسلاكDiameter: 0.1 mm – 10 mm
ForgingsVarious shapes and sizes as per standards
Production Standards and Corresponding Grades
CountryمعيارCorresponding Grade
United StatesAMS 5766, AMS 5767, AMS 5801N07080
ألمانياDIN 177422.4952
فرنساAFNOR NC 20TA-
United KingdomBS HR 202HR202
JapanJIS HR 202-
ChinaGB/T 14992-

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

عمليةتفاصيل
لحامTIG and MIG methods recommended; post-weld heat treatment required
بالقطعCarbide tools and lubricants for optimal results
تلميعMechanical and electrochemical methods for desired finish
المعالجة الحراريةSolution annealing followed by aging
Cold WorkingExcellent for cold forming and shaping processes

المميزات والعيوب

وجهمزاياسلبيات
مزاياHigh strength at elevated temperaturesLimited availability in certain forms
Excellent creep resistanceCostlier compared to some alternatives
Good oxidation and corrosion resistanceMachining can be challenging
Versatile in various industrial applications

خاتمة

NIMONIC® alloy 80A stands as a robust solution for applications demanding superior strength, thermal stability, and resistance to environmental degradation. Its precise chemical composition, coupled with reliable mechanical properties and adherence to international standards, ensures optimal performance across aerospace, power generation, oil & gas, and automotive sectors globally. Designers and engineers seeking a dependable material for extreme conditions can confidently rely on NIMONIC® alloy 80A.

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