INCONEL® Alloy 686: Comprehensive Product Introduction
Introduction to INCONEL® Alloy 686
INCONEL® alloy 686 is a versatile nickel-chromium-molybdenum-tungsten alloy known for its exceptional corrosion resistance in a wide range of aggressive environments. Developed as an upgrade over traditional nickel alloys, INCONEL® 686 offers superior resistance to localized corrosion, pitting, and crevice corrosion. This article provides a detailed overview of INCONEL® alloy 686, covering its chemical composition, mechanical properties, performance at different temperatures, corresponding grades, industry applications, available forms, sizes, and production standards across various countries.
Chemical Composition of INCONEL® Alloy 686
INCONEL® alloy 686 is formulated with precise elements to achieve its corrosion-resistant properties:
| 요소 | 구성 (%) |
|---|---|
| 니켈(Ni) | 58.0분 |
| 크롬(Cr) | 20.0-23.0 |
| 몰리브덴(Mo) | 15.0-17.0 |
| 텅스텐(W) | 3.0-4.4 |
| 철(Fe) | 최대 5.0 |
| 코발트(Co) | 최대 1.0 |
| 망간(Mn) | 최대 1.0 |
| 실리콘(Si) | 0최대 0.50 |
| 탄소(C) | 0.020 최대 |
| 인(P) | 0.015 최대 |
| 유황(S) | 0.010 최대 |
Mechanical Properties of INCONEL® Alloy 686
INCONEL® alloy 686 exhibits robust mechanical properties suitable for demanding applications:
| 재산 | 값 |
|---|---|
| 인장강도 | 최소 760MPa(110ksi) |
| 항복 강도(0.2% 오프셋) | 최소 345MPa(50ksi) |
| 연장 | 40% min |
| 경도 (브리넬) | 200-250 (열처리에 따라 다름) |
| 밀도 | 8.68 g/cm³ |
다양한 온도에서의 성능
INCONEL® alloy 686 maintains its corrosion resistance and mechanical properties across a wide range of temperatures:
| 온도 범위 | 성능 |
|---|---|
| 실온 | 부식 및 기계적 강도에 대한 높은 저항성 |
| 높은 온도(최대 1000°C / 1832°F) | 강도와 내산화성을 유지합니다. |
| 극저온 | 유연성과 인성을 유지합니다. |
다른 국가의 해당 등급
INCONEL® alloy 686 is recognized by various grades in different countries and regions:
| 국가/지역 | 등급 |
|---|---|
| 미국 | UNS N06686 |
| 독일 | 2.4606 |
| 프랑스 | – |
| 영국 | – |
| 일본 | – |
| 중국 | – |
표준 형태, 크기 및 생산 표준
형태와 크기
INCONEL® alloy 686 is available in various forms and sizes to meet industrial requirements:
| 형태 | 크기 범위 |
|---|---|
| 시트 | 두께: 0.1mm – 50mm |
| 접시 | 두께: 0.3mm – 100mm |
| 바 | 직경: 5mm – 300mm |
| 철사 | 직경: 0.1mm – 10mm |
| 튜브 | 외경: 6mm – 200mm |
| 파이프 | 외경: 10mm – 300mm |
| 피팅 | 표준에 따른 다양한 구성 |
| 단조품 | 표준에 따라 다양한 모양과 크기 |
생산 표준
INCONEL® alloy 686 conforms to international production standards:
| 기준 | 설명 |
|---|---|
| ASTM B462 | 단조품 |
| ASTM B564 | Bars and forgings |
| ASTM B574 | 막대 |
| ASTM B575 | 접시와 시트 |
| ASTM B619/B622 | Welded and seamless pipes and tubes |
| ASTM B366 | 피팅 |
Industry Applications of INCONEL® Alloy 686
INCONEL® alloy 686 is widely utilized across various industries due to its superior corrosion resistance and mechanical properties:
- 화학 처리: Reactors, vessels, and piping systems handling acids, alkalis, and mixed chemicals.
- 석유 및 가스: Equipment in sour gas environments, including downhole components and pipelines.
- 펄프 및 종이: Digesters, bleach plants, and recovery boilers.
- 발전: Flue gas desulfurization systems, scrubbers, and heat exchangers.
- 선박: Propeller shafts, seawater cooling systems, and marine exhaust systems.
Advantages of INCONEL® Alloy 686
- 우수한 내식성: Excellent resistance to localized corrosion and pitting.
- 고강도: Maintains mechanical integrity in harsh environments.
- 다재: Suitable for both high and low-temperature applications.
- 장수: Provides long-term reliability in corrosive environments.
결론
INCONEL® alloy 686 stands as a high-performance alloy designed to excel in corrosive environments where traditional materials fall short. With its unique combination of chemical composition, mechanical properties, and adherence to international standards, it serves critical applications across global industries. Engineers and designers seeking durability and reliability in aggressive chemical and marine environments can confidently consider INCONEL® alloy 686 for their projects.
자세한 기술 사양 및 추가 문의 사항은 특정 제품 데이터 시트를 참조하고 제조업체와 상담하는 것이 좋습니다.
This comprehensive introduction and detailed data sheet provide a thorough overview of INCONEL® alloy 686, emphasizing its chemical composition, mechanical properties, performance characteristics at different temperatures, applications, and advantages in demanding industrial environments across various countries.