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.
화학적 구성 요소
| 요소 | 구성 (%) |
|---|---|
| 니켈(Ni) | 30.0 – 35.0 |
| 크롬(Cr) | 19.0 – 23.0 |
| 철(Fe) | 39.5분 |
| 알루미늄(Al) | 0.15 – 0.60 |
| 탄소(C) | 0최대 0.10 |
| 망간(Mn) | 1.50 max |
| 유황(S) | 0.015 최대 |
| 실리콘(Si) | 최대 1.0 |
INCOLOY® Alloy 800 maintains a high nickel content with significant chromium for oxidation resistance and iron for structural stability.
기계적 성질
| 상태 | 인장강도(MPa) | 항복강도(MPa) | 신장률(%) | Hardness (HRB) |
|---|---|---|---|---|
| 단련 | 520-690 | 210-550 | 30 분 | 65 max |
| Cold Worked | 860 min | 690 min | 20분 | 최대 75 |
INCOLOY® Alloy 800 exhibits excellent mechanical properties, particularly in the annealed condition, making it suitable for high-temperature applications.
다양한 온도에서의 성능
| 온도 범위 | 성능 |
|---|---|
| 실온 | Excellent resistance to oxidation and corrosion |
| Elevated Temperatures (up to 1100°C / 2000°F) | 강도와 내산화성을 유지합니다. |
| 극저온 | 유연성과 인성을 유지합니다. |
INCOLOY® Alloy 800 demonstrates consistent performance across a wide temperature range, from cryogenic conditions to high temperatures.
산업 응용
INCOLOY® Alloy 800 is widely used in industries requiring heat and corrosion resistance:
| 산업 | 애플리케이션 |
|---|---|
| 화학 처리 | 열교환기, 퍼니스 부품 |
| 석유화학 | Ethylene furnace quench boilers, catalyst regenerators |
| 발전 | Steam superheater and reheat tubing |
| 항공우주 | Gas turbine components, combustor liners |
Its ability to withstand high temperatures and corrosive environments makes it indispensable in critical industrial applications.
모양, 크기 및 생산 표준
모양과 크기
| 형태 | 크기 범위 |
|---|---|
| 시트 | 두께: 0.5mm – 3mm |
| 접시 | 두께: 1mm – 50mm |
| 바 | 직경: 6mm – 100mm |
| 파이프 | 외경: 6mm – 500mm |
| 튜브 | 외경: 6mm – 300mm |
생산기준 및 해당등급
| 국가 | 기준 | 해당학년 |
|---|---|---|
| 미국 | ASTM B407, ASTM B408 | UNS N08800 |
| 독일 | DIN 17459, DIN 17460 | X5NiCrAlTi31-20 |
| 프랑스 | AFNOR Z8NC32-21 | – |
| 영국 | BS 3076 | NA15 |
| 일본 | JIS G4801 | NCF 800 |
| 중국 | GB/T 15004, GB/T 14976 | GH32 |
INCOLOY® Alloy 800 conforms to various international production standards, ensuring quality and compatibility across global markets.
용접, 가공, 연마, 열처리, 냉간 가공
| 프로세스 | 세부 |
|---|---|
| 용접 | Welds with matching composition filler metals. Suitable methods include gas tungsten arc welding (GTAW) and shielded metal arc welding (SMAW). |
| 가공 | Requires low cutting speeds and constant feeds to avoid work hardening and surface cracking. Carbide tools are recommended. |
| 세련 | Achieves good surface finish with mechanical methods like buffing and polishing wheels. Chemical polishing is also effective. |
| 열처리 | Annealing at 1150-1180°C (2100-2150°F) followed by water quenching improves ductility and removes residual stresses. |
| 냉간 가공 | 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.
장점과 단점
| 측면 | 장점 | 단점 |
|---|---|---|
| 장점 | High temperature strength and oxidation resistance | Susceptible to embrittlement in certain environments |
| Good resistance to carburization and sulfidation | 가공은 어려울 수 있습니다. | |
| Excellent formability and weldability | ||
| Long-term stability in high-temperature applications |
유사한 제품
| 재료 등급 | 비교 |
|---|---|
| INCOLOY® 합금 825 | Higher nickel content, improved corrosion resistance in acidic environments. |
결론
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.