Hợp kim INCONEL® 625

Alloy-625

INCONEL® Alloy 625: Comprehensive Product Introduction

Introduction to INCONEL® Alloy 625

INCONEL® alloy 625 is a nickel-based superalloy known for its exceptional strength, corrosion resistance, and versatility in extreme environments. Developed to withstand high temperatures and aggressive chemical environments, this alloy is widely utilized across various industries. This article provides a detailed overview of INCONEL® alloy 625, covering its chemical composition, mechanical properties, corresponding grades, industry applications, available forms, sizes, and production standards across different countries.

Chemical Composition of INCONEL® Alloy 625

INCONEL® alloy 625 is composed of precise elements to achieve its remarkable properties:

Yếu tốThành phần (%)
Niken (Ni)58.0 min
Crom (Cr)20.0-23.0
Molypden (Mo)8.0-10.0
Sắt (Fe)tối đa 5,0
Niobi (Nb)3.15-4.15
Coban (Co)tối đa 1,0
Mangan (Mn)0.50 max
Silic (Si)0.50 max
Cacbon (C)0tối đa 0,10
Phốt pho (P)0tối đa 0,015
Lưu huỳnh (S)0tối đa 0,015
Nhôm (Al)0tối đa 0,40
Titan (Ti)0tối đa 0,40

Mechanical Properties of INCONEL® Alloy 625

INCONEL® alloy 625 exhibits excellent mechanical properties suitable for demanding applications:

Tài sảnGiá trị
Độ bền kéo760 MPa (110 ksi) min
Sức mạnh năng suất (bù 0,2%)345 MPa (50 ksi) min
Độ giãn dài30% phút
độ cứng (Brinell)150-240 (varies with heat treatment)
Tỉ trọng8.44 g/cm³

Các lớp tương ứng ở các quốc gia khác nhau

INCONEL® alloy 625 is identified by different grades in various countries and regions:

Quốc gia/Khu vựcCấp
Hoa KỳUNS N06625
nước Đức2.4856
PhápNC22DNB4M
Vương quốc AnhNA21
Nhật BảnNCF 625
Trung QuốcGH3625

Mẫu chuẩn, kích thước và tiêu chuẩn sản xuất

Hình thức và kích cỡ

INCONEL® alloy 625 is available in various forms and sizes to meet diverse industrial needs:

Hình thứcPhạm vi kích thước
Trang tínhĐộ dày: 0,1 mm – 50 mm
TấmThickness: 0.3 mm – 100 mm
ThanhDiameter: 5 mm – 300 mm
Dây điệnĐường kính: 0,1 mm – 10 mm
ỐngOuter Diameter: 6 mm – 200 mm
ỐngOuter Diameter: 10 mm – 300 mm
FittingsVarious configurations as per standards
rènHình dạng và kích cỡ khác nhau theo tiêu chuẩn

Tiêu chuẩn sản xuất

INCONEL® alloy 625 complies with several international production standards:

Tiêu chuẩnSự miêu tả
ASTM B443Sheets, plates, and strips
ASTM B446Bars, rods, and wires
ASTM B444Seamless pipes and tubes
ASTM B704Welded tubes
ASTM B564rèn
ASTM B366Fittings

Industry Applications of INCONEL® Alloy 625

INCONEL® alloy 625 is extensively used across various industries due to its exceptional properties:

  • Hàng không vũ trụ: Turbine blades, seals, and combustors in aircraft engines.
  • Xử lý hóa học: Equipment for handling corrosive chemicals like sulfuric acid and hydrochloric acid.
  • Hàng hải: Components exposed to seawater and marine environments.
  • Dầu khí: Downhole equipment, tubing, and valves in oil extraction and refining.
  • Sản xuất điện: Steam turbine seals and high-pressure boiler components.

Advantages of INCONEL® Alloy 625

  • Chống ăn mòn: Exhibits resistance to oxidation and chloride-induced stress corrosion cracking.
  • High Strength: Retains strength and toughness at elevated temperatures up to 980°C (1800°F).
  • Khả năng chế tạo: Easily machined, welded, and formed into complex shapes.
  • Longevity: Provides long-term performance and reliability in demanding conditions.

Phần kết luận

INCONEL® alloy 625 is a testament to advanced metallurgical engineering, offering unmatched strength, corrosion resistance, and versatility across industries globally. Its superior properties, combined with a wide range of forms, sizes, and adherence to international standards, make it indispensable for critical applications requiring reliability and performance in harsh environments.

By understanding its chemical composition, mechanical properties, applications, and adherence to production standards across different countries, engineers and designers can effectively leverage the unique capabilities of INCONEL® alloy 625 to enhance operational efficiency and ensure long-term durability.

Để biết thông số kỹ thuật chi tiết và yêu cầu thêm, nên tham khảo bảng dữ liệu sản phẩm cụ thể và tư vấn với nhà sản xuất.


This comprehensive introduction and detailed data sheet provide a thorough overview of INCONEL® alloy 625, emphasizing its chemical composition, mechanical properties, applications, and advantages in demanding industrial environments across different countries.