Hợp kim UDIMAR® 300

UDIMAR-Alloy-300

UDIMAR® Alloy 300 (UNS K93120) Product Introduction

UDIMAR® alloy 300, designated as UNS K93120, is a high-strength nickel-based superalloy known for its exceptional mechanical properties and corrosion resistance. This article provides a comprehensive introduction to UDIMAR® alloy 300, 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 a comparison with similar alloys.

Thành phần hóa học

UDIMAR® alloy 300 is primarily composed of nickel with significant additions of cobalt, chromium, molybdenum, and other elements to enhance its mechanical and thermal properties:

Yếu tốThành phần (%)
Niken (Ni)50.0 – 60.0
Coban (Co)18.0 – 22.0
Crom (Cr)12.0 – 15.0
Molypden (Mo)2,0 – 3,0
Sắt (Fe)5.0 – 8.0
Titan (Ti)1,0 – 2,0
Nhôm (Al)0.1 – 0.5
Cacbon (C)0tối đa 0,05

Tính chất cơ học

UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:

Tài sảnGiá trị
Độ bền kéo, ksi (MPa)170 – 200 (1172 – 1379)
Cường độ năng suất (bù 0,2%), ksi (MPa)140 – 170 (965 – 1172)
Độ giãn dài (% tính bằng 2 inch)15 – 25
Độ cứng, Rockwell C (HRC)35 – 45

Đặc tính hiệu suất

UDIMAR® alloy 300 offers several performance advantages:

  • High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
  • Chống ăn mòn: Exhibits good resistance to corrosion and oxidation in various environments, including high-temperature applications.
  • Heat Resistance: Maintains mechanical properties at elevated temperatures up to 800°C (1472°F), making it suitable for aerospace and industrial gas turbine applications.

Ứng dụng công nghiệp

UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:

Ngành công nghiệpCác ứng dụng
Hàng không vũ trụTurbine blades, discs, shafts, and casings for aerospace engines.
Sản xuất điệnGas turbine components, including rotor blades, combustion chambers, and heat exchangers.
Xử lý hóa họcReactor vessels, valves, and pipes handling corrosive chemicals at high temperatures.

Hình dạng và kích thước

UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:

  • Các hình thức: Sheets, plates, bars, forgings, and wire.
  • Kích thước: Thickness ranging from 0.5 mm to 100 mm for plates, and diameter ranging from 1 mm to 300 mm for round bars.

Tiêu chuẩn sản xuất

UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:

Mẫu sản phẩmHình dạng có sẵnKích cỡ có sẵnTiêu chuẩn sản xuất
Tấm/tấmTấm, tấmThickness: 0.5 mm – 100 mmASTM B637, AMS 5764
Thanh/ThanhThanh tròn, thanh vuôngĐường kính: 1 mm – 300 mmASTM B637, AMS 5764
rènBlocks, Discs, RingsSize: CustomizedASTM B637, AMS 5764

Hàn và Gia công

UDIMAR® alloy 300 offers good weldability and processing characteristics:

  • Hàn: Can be welded using methods such as TIG, MIG, and resistance welding. Preheating and post-weld heat treatment may be required to maintain properties.
  • Khả năng gia công: Generally machined in the solution-annealed condition using carbide tools and appropriate cutting fluids.

Ưu điểm và nhược điểm

Diện mạoChi tiết
Thuận lợiHigh strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes.
Nhược điểmHigher cost compared to standard nickel alloys, requires specialized processing and handling due to its high strength and alloying elements.

So sánh với các hợp kim tương tự

UDIMAR® alloy 300 (UNS K93120) is often compared with other high-strength nickel-based superalloys such as UDIMET® alloy 720 and UDIMET® alloy R41. Here’s a brief comparison:

Loại hợp kim/Thuộc tínhHợp kim UDIMAR® 300Hợp kim UDIMET® 720Hợp kim UDIMET® R41
Thành phần hóa họcHigh nickel, cobalt, chromium, molybdenum for high-strength properties.High nickel, cobalt, chromium, tungsten, molybdenum for high-temperature strength.High nickel, cobalt, chromium, tungsten, molybdenum for high-temperature strength.
Tính chất cơ họcHigher tensile and yield strength, good toughness, and fatigue resistance.Higher tensile and yield strength compared to UDIMAR® alloy 300, excellent oxidation resistance.Higher tensile and yield strength compared to UDIMET® alloy 720, superior creep resistance.
Các ứng dụngAerospace engine components, gas turbines, and industrial applications requiring high strength and corrosion resistance.Gas turbines, aerospace components requiring high-temperature strength and oxidation resistance.Gas turbines, aerospace components requiring high-temperature strength and oxidation resistance.

This detailed article introduces UDIMAR® alloy 300 (UNS K93120), 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 a comparison with similar alloys. Engineers and professionals seeking a robust, high-strength nickel-based superalloy for critical applications in aerospace, power generation, and chemical processing will find UDIMAR® alloy 300 well-suited for use in demanding environments.