INCONEL® Alloy 690: Comprehensive Product Introduction
Introduction to INCONEL® Alloy 690
INCONEL® alloy 690 is a high-chromium nickel alloy known for its exceptional resistance to corrosion, particularly in high-temperature environments. Developed as a specialized alloy, INCONEL® 690 offers superior resistance to stress corrosion cracking, oxidation, and carburization compared to other nickel-based alloys. This article provides a detailed overview of INCONEL® alloy 690, 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 690
INCONEL® alloy 690 is composed of specific elements to achieve its superior corrosion-resistant properties:
| 元素 | 作品 （％） |
|---|---|
| 鎳 (Ni) | 58.0 分鐘 |
| 鉻 (Cr) | 27.0-31.0 |
| 鐵 (Fe) | 7.0-11.0 |
| 鉬（Mo） | 0最大.5 |
| 錳（Mn） | 0最大.5 |
| 矽（Si） | 0最大.5 |
| 碳（C） | 0最大.05 |
| 硫（S） | 0最大.015 |
| 磷（P） | 0最大.015 |
Mechanical Properties of INCONEL® Alloy 690
INCONEL® alloy 690 exhibits robust mechanical properties suitable for high-temperature applications:
| 財產 | 價值 |
|---|---|
| 抗拉強度 | 最小 760 兆帕 (110 ksi) |
| 屈服強度（0.2% 偏移） | 最小 345 兆帕 (50 ksi) |
| 伸長 | 30分鐘 |
| 硬度 （布氏硬度） | 200-250（因熱處理而異） |
| 密度 | 8.19克/立方厘米 |
不同溫度下的性能
INCONEL® alloy 690 maintains its corrosion resistance and mechanical properties across a wide range of temperatures:
| 溫度範圍 | 表現 |
|---|---|
| 室內溫度 | 高耐腐蝕性和機械強度 |
| 高溫（高達 1000°C / 1832°F） | 保持強度和抗氧化性 |
| 低溫 | 保持延展性和韌性 |
不同國家對應的年級
INCONEL® alloy 690 is recognized by various grades in different countries and regions:
| 國家/地區 | 年級 |
|---|---|
| 美國 | UNS N06690 |
| 德國 | 2.4642 |
| 法國 | – |
| 英國 | – |
| 日本 | – |
| 中國 | – |
標準形式、尺寸和生產標準
形狀和尺寸
INCONEL® alloy 690 is available in various forms and sizes to meet industrial requirements:
| 形式 | 尺寸範圍 |
|---|---|
| 床單 | 厚度：0.1 毫米 – 50 毫米 |
| 盤子 | 厚度：0.3 毫米 – 100 毫米 |
| 酒吧 | 直徑：5毫米 – 300毫米 |
| 金屬絲 | 直徑：0.1 毫米 – 10 毫米 |
| 管 | 外徑：6 毫米 – 200 毫米 |
| 管道 | 外徑：10毫米 – 300毫米 |
| 配件 | 多種配置符合標準 |
| 鍛件 | 符合標準的各種形狀和尺寸 |
生產標準
INCONEL® alloy 690 conforms to international production standards:
| 標準 | 描述 |
|---|---|
| ASTM B167/B829 | Seamless and welded tubes |
| ASTM B564 | 鍛件 |
| ASTM B166 | 棒材和棒材 |
| ASTM B168 | 板材和片材 |
| ASTM B366 | 配件 |
Industry Applications of INCONEL® Alloy 690
INCONEL® alloy 690 is utilized across various industries due to its exceptional corrosion resistance and mechanical properties:
- 化學加工: Reactors, heat exchangers, and piping systems in corrosive environments.
- Nuclear Power: Steam generators and reactor core components.
- 發電: Coal gasification equipment, flare stacks, and hydrogen reformers.
- 油和氣: Equipment in sour gas environments, including desulfurization units and offshore platforms.
- 航太: Engine components and thrust reversers.
Advantages of INCONEL® Alloy 690
- 卓越的耐腐蝕性: Excellent resistance to stress corrosion cracking, oxidation, and carburization.
- 高強度: Maintains mechanical integrity at elevated temperatures.
- 多功能性: Suitable for both oxidizing and reducing environments.
- 長壽: Provides long-term reliability in aggressive industrial applications.
結論
INCONEL® alloy 690 stands as a high-performance alloy renowned for its superior corrosion resistance and mechanical properties in challenging environments. With its specific chemical composition, robust mechanical characteristics, and adherence to international standards, it serves critical applications across global industries. Engineers and designers seeking durable and reliable materials for high-temperature and corrosive environments can confidently consider INCONEL® alloy 690 for their projects.
如需詳細技術規格和進一步詢問，建議參考具體產品資料表並諮詢製造商。
This comprehensive introduction and detailed data sheet provide a thorough overview of INCONEL® alloy 690, emphasizing its chemical composition, mechanical properties, performance characteristics at different temperatures, applications, and advantages in demanding industrial environments across various countries.