سبيكة 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.

التركيب الكيميائي

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:

عنصرتعبير (٪)
النيكل (ني)50.0 – 60.0
كوبالت (كو)18.0 – 22.0
الكروم (الكروم)12.0 – 15.0
الموليبدينوم (مو)2.0 – 3.0
الحديد (الحديد)5.0 – 8.0
التيتانيوم (تي)1.0 – 2.0
الألومنيوم (آل)0.1 – 0.5
الكربون (ج)0.05 max

الخواص الميكانيكية

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

ملكيةقيمة
قوة الشد، ksi (MPa)170 – 200 (1172 – 1379)
قوة الخضوع (إزاحة 0.2%)، ksi (MPa)140 – 170 (965 – 1172)
استطالة (٪ في 2 بوصة)15 – 25
صلابة، روكويل C (HRC)35 – 45

خصائص الأداء

UDIMAR® alloy 300 offers several performance advantages:

  • High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
  • المقاومة للتآكل: 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.

تطبيقات الصناعة

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

قطاع الصناعةالتطبيقات
الفضاء الجويTurbine blades, discs, shafts, and casings for aerospace engines.
توليد الطاقةGas turbine components, including rotor blades, combustion chambers, and heat exchangers.
المعالجة الكيميائيةReactor vessels, valves, and pipes handling corrosive chemicals at high temperatures.

Shapes and Sizes

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

  • Forms: Sheets, plates, bars, forgings, and wire.
  • Sizes: Thickness ranging from 0.5 mm to 100 mm for plates, and diameter ranging from 1 mm to 300 mm for round bars.

معايير الإنتاج

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

شكل المنتجالأشكال المتاحةالأحجام المتاحةمعايير الإنتاج
لوحات / صفائحSheets, PlatesThickness: 0.5 mm – 100 mmASTM B637, AMS 5764
Bars/RodsRound bars, Square barsDiameter: 1 mm – 300 mmASTM B637, AMS 5764
المطروقاتBlocks, Discs, RingsSize: CustomizedASTM B637, AMS 5764

Welding and Processing

UDIMAR® alloy 300 offers good weldability and processing characteristics:

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

المميزات والعيوب

وجهتفاصيل
مزاياHigh strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes.
سلبياتHigher cost compared to standard nickel alloys, requires specialized processing and handling due to its high strength and alloying elements.

Comparison with Similar Alloys

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:

Alloy Type/Propertyسبيكة UDIMAR® 300سبيكة UDIMET® 720سبيكة UDIMET® R41
التركيب الكيميائيHigh 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.
الخواص الميكانيكيةHigher 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.
التطبيقاتAerospace 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.