HAYNES 25 (L605) Alloy Product Introduction
HAYNES 25, also known as L605 or Stellite 25, is a cobalt-based superalloy renowned for its excellent high-temperature strength, wear resistance, and corrosion resistance. This article provides a comprehensive introduction to HAYNES 25 (L605), covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and comparisons with similar alloys.
Thành phần hóa học
HAYNES 25 (L605) has a complex chemical composition designed to achieve its high-performance properties:
| Yếu tố | Thành phần (%) |
|---|---|
| Coban (Co) | 50.0 |
| Crom (Cr) | 20.0 |
| Vonfram (W) | 15.0 |
| Niken (Ni) | 10.0 |
| Sắt (Fe) | 3.0 |
| Molypden (Mo) | 1.0 |
| Cacbon (C) | 0tối đa 0,10 |
| Mangan (Mn) | tối đa 1,0 |
| Silic (Si) | tối đa 1,0 |
| Phốt pho (P) | 0tối đa 0,04 |
| Lưu huỳnh (S) | 0tối đa 0,03 |
| Boron (B) | 0tối đa 0,01 |
Tính chất cơ học
HAYNES 25 (L605) exhibits impressive mechanical properties suitable for high-stress applications:
| Tài sản | Giá trị |
|---|---|
| Độ bền kéo, ksi (MPa) | 160 (1100) min |
| Cường độ năng suất (bù 0,2%), ksi (MPa) | 120 (828) min |
| Độ giãn dài (% tính bằng 2 inch) | 15 phút |
| Độ cứng, Rockwell C (HRC) | 40 – 50 |
Đặc tính hiệu suất
HAYNES 25 (L605) offers exceptional performance in extreme environments:
- Độ bền nhiệt độ cao: Maintains strength and toughness at temperatures up to 1800°F (980°C), making it suitable for gas turbine engines and other high-temperature applications.
- Wear and Corrosion Resistance: Excellent resistance to wear, corrosion, and oxidation in harsh environments, including aerospace and industrial applications.
Ứng dụng công nghiệp
HAYNES 25 (L605) is utilized across various industries where high performance and reliability are crucial:
| Ngành công nghiệp | Các ứng dụng |
|---|---|
| Hàng không vũ trụ | Gas turbine components, combustion chambers, thrust reversers, and other hot section parts requiring high strength and heat resistance. |
| Medical | Surgical implants, prosthetic devices, and other biomedical applications due to biocompatibility and corrosion resistance. |
| Industrial | Cutting tools, bearings, valves, and components for chemical processing and oil & gas industries. |
Hình dạng và kích thước
HAYNES 25 (L605) is available in various forms and sizes to meet specific application needs:
- Các hình thức: Sheets, plates, bars, tubes, wires, and custom shapes.
- Kích thước: Thickness ranging from 0.010 inches to 1.000 inches (0.25mm to 25.4mm), diameter ranging from 0.125 inches to 12.000 inches (3.18mm to 304.8mm).
Tiêu chuẩn sản xuất
HAYNES 25 (L605) complies with stringent industry standards for quality and performance:
| Mẫu sản phẩm | Hình dạng có sẵn | Kích cỡ có sẵn | Tiêu chuẩn sản xuất |
|---|---|---|---|
| Thanh/Thanh | Thanh tròn, thanh vuông | Diameter: 0.125″ – 12.000″ (3.18mm – 304.8mm) | AMS 5759, AMS 5796 |
| Tấm/tấm | Tấm, Tấm | Thickness: 0.010″ – 1.000″ (0.25mm – 25.4mm) | AMS 5537, AMS 5759 |
| Dây điện | Dây điện | Đường kính: 0,010” – 0,250” (0,25mm – 6,35mm) | AMS 5796, AMS 5797 |
| Ống/Ống | Ống, Ống | Đường kính ngoài: 0,250” – 6,000” (6,35mm – 152,4mm) | AMS 5759, AMS 5796 |
Hàn và Gia công
HAYNES 25 (L605) offers good weldability and machinability:
- Hàn: Can be welded using conventional methods such as TIG and MIG welding with proper preheating and post-weld heat treatment.
- Xử lý: Machinable using carbide tooling, although it tends to work-harden and requires adequate cooling during machining.
Ưu điểm và nhược điểm
| Diện mạo | Chi tiết |
|---|---|
| Thuận lợi | High strength at elevated temperatures, excellent wear and corrosion resistance, biocompatibility for medical applications, and good machinability. |
| Nhược điểm | Giá thành cao hơn so với các vật liệu thông thường, đòi hỏi phải có chuyên môn trong xử lý do độ bền và độ cứng cao. |
Hợp kim tương tự
| Tên hợp kim | So sánh |
|---|---|
| HAYNES 188 | Similar high-temperature capabilities but with higher cobalt content and better oxidation resistance compared to HAYNES 25. |
So sánh các hợp kim tương tự
| Thuộc tính/Tính năng | HAYNES 25 (L605) | HAYNES 188 |
|---|---|---|
| Hàm lượng coban (%) | 50.0 | 39.0 |
| Hàm lượng crom (%) | 20.0 | 22.0 |
| Hàm lượng vonfram (%) | 15.0 | 13.0 |
| Sức mạnh năng suất (ksi) | 120 | 90 |
| Các ứng dụng | Gas turbine components, medical implants | Aerospace components, high-temperature structural parts |
This detailed article provides a comprehensive introduction to HAYNES 25 (L605), highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. Engineers and professionals seeking high-performance materials for applications demanding strength, corrosion resistance, and reliability will find this information useful in selecting the appropriate alloy for their specific needs.