INCOLOY® Alloy 800 Product Introduction
INCOLOY® Alloy 800, also known as UNS N08800, is a widely used nickel-iron-chromium alloy known for its excellent resistance to oxidation, carburization, and sulfidation at elevated temperatures. This comprehensive product introduction covers its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes, sizes, production standards, standards and corresponding grades in different countries, welding, machining, polishing, heat treatment, cold working, advantages and disadvantages of materials, and similar products.
التركيب الكيميائي
| عنصر | تعبير (٪) |
|---|---|
| النيكل (ني) | 30.0 – 35.0 |
| الكروم (الكروم) | 19.0 – 23.0 |
| الحديد (الحديد) | 39.5 min |
| الألومنيوم (آل) | 0.15 – 0.60 |
| الكربون (ج) | 0.10 max |
| المنغنيز (من) | 1.50 max |
| الكبريت (S) | 0.015 كحد أقصى |
| السيليكون (سي) | 1.0 كحد أقصى |
INCOLOY® Alloy 800 maintains a high nickel content with significant chromium for oxidation resistance and iron for structural stability.
الخواص الميكانيكية
| حالة | Tensile Strength (MPa) | قوة الخضوع (ميجا باسكال) | استطالة (٪) | Hardness (HRB) |
|---|---|---|---|---|
| Annealed | 520-690 | 210-550 | 30 min | 65 max |
| Cold Worked | 860 min | 690 min | 20 دقيقة | 75 max |
INCOLOY® Alloy 800 exhibits excellent mechanical properties, particularly in the annealed condition, making it suitable for high-temperature applications.
الأداء في درجات حرارة مختلفة
| Temperature Range | Performance |
|---|---|
| Room Temperature | Excellent resistance to oxidation and corrosion |
| Elevated Temperatures (up to 1100°C / 2000°F) | Retains strength and oxidation resistance |
| Cryogenic Temperatures | Maintains ductility and toughness |
INCOLOY® Alloy 800 demonstrates consistent performance across a wide temperature range, from cryogenic conditions to high temperatures.
تطبيقات الصناعة
INCOLOY® Alloy 800 is widely used in industries requiring heat and corrosion resistance:
| Industry | التطبيقات |
|---|---|
| المعالجة الكيميائية | Heat exchangers, furnace components |
| البتروكيماويات | Ethylene furnace quench boilers, catalyst regenerators |
| توليد الطاقة | Steam superheater and reheat tubing |
| الفضاء الجوي | Gas turbine components, combustor liners |
Its ability to withstand high temperatures and corrosive environments makes it indispensable in critical industrial applications.
الأشكال والأحجام ومعايير الإنتاج
Shapes and Sizes
| استمارة | نطاق الحجم |
|---|---|
| صفائح | Thickness: 0.5 mm – 3 mm |
| لوحات | Thickness: 1 mm – 50 mm |
| الحانات | Diameter: 6 mm – 100 mm |
| أنابيب | OD: 6 mm – 500 mm |
| أنابيب | OD: 6 mm – 300 mm |
Production Standards and Corresponding Grades
| Country | معيار | Corresponding Grade |
|---|---|---|
| United States | ASTM B407, ASTM B408 | UNS N08800 |
| ألمانيا | DIN 17459, DIN 17460 | X5NiCrAlTi31-20 |
| فرنسا | AFNOR Z8NC32-21 | - |
| United Kingdom | BS 3076 | NA15 |
| Japan | JIS G4801 | NCF 800 |
| China | GB/T 15004, GB/T 14976 | GH32 |
INCOLOY® Alloy 800 conforms to various international production standards, ensuring quality and compatibility across global markets.
Welding, Machining, Polishing, Heat Treatment, and Cold Working
| عملية | تفاصيل |
|---|---|
| لحام | Welds with matching composition filler metals. Suitable methods include gas tungsten arc welding (GTAW) and shielded metal arc welding (SMAW). |
| بالقطع | Requires low cutting speeds and constant feeds to avoid work hardening and surface cracking. Carbide tools are recommended. |
| تلميع | Achieves good surface finish with mechanical methods like buffing and polishing wheels. Chemical polishing is also effective. |
| المعالجة الحرارية | Annealing at 1150-1180°C (2100-2150°F) followed by water quenching improves ductility and removes residual stresses. |
| Cold Working | Can be cold worked up to 10% deformation for shaping. Cold working increases strength and hardness. |
INCOLOY® Alloy 800 offers versatility in processing methods, allowing for tailored solutions in various applications.
المميزات والعيوب
| وجه | مزايا | سلبيات |
|---|---|---|
| مزايا | High temperature strength and oxidation resistance | Susceptible to embrittlement in certain environments |
| Good resistance to carburization and sulfidation | Machining can be challenging | |
| Excellent formability and weldability | ||
| Long-term stability in high-temperature applications |
منتجات مماثلة
| Material Grade | مقارنة |
|---|---|
| 825 قطعة قماش | Higher nickel content, improved corrosion resistance in acidic environments. |
خاتمة
INCOLOY® Alloy 800 stands out as a versatile nickel-iron-chromium alloy renowned for its exceptional resistance to high-temperature oxidation and corrosion. Its robust mechanical properties, combined with excellent formability and weldability, make it a preferred choice in chemical processing, petrochemical, power generation, and aerospace industries. Engineers and designers seeking a reliable material capable of withstanding extreme temperatures and aggressive environments can rely on INCOLOY® Alloy 800 for optimal performance and longevity.
For further technical specifications and customized solutions, consulting with material suppliers and referencing specific product data sheets is recommended.