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.
Химический состав
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:
| Элемент | Состав (%) |
|---|---|
| Никель (Ni) | 50.0 – 60.0 |
| Кобальт (Со) | 18.0 – 22.0 |
| Хром (Cr) | 12,0 – 15,0 |
| Молибден (Мо) | 2,0 – 3,0 |
| Железо (Fe) | 5.0 – 8.0 |
| Титан (Ti) | 1,0 – 2,0 |
| Алюминий (Al) | 0.1 – 0,5 |
| Углерод (С) | 00,05 макс. |
Механические свойства
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| Свойство | Ценить |
|---|---|
| Предел прочности, тыс.фунтов на квадратный дюйм (МПа) | 170 – 200 (1172 – 1379) |
| Предел текучести (смещение 0,2%), тыс.фунтов на квадратный дюйм (МПа) | 140 – 170 (965 – 1172) |
| Удлинение (% на 2 дюйма) | 15 – 25 |
| Твердость, Роквелл C (HRC) | 35 – 45 |
Характеристики производительности
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- Устойчивость к коррозии: 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.
Промышленные приложения
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| Промышленный сектор | Приложения |
|---|---|
| Аэрокосмическая промышленность | Turbine blades, discs, shafts, and casings for aerospace engines. |
| Выработка энергии | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| Химическая обработка | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
Формы и размеры
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- Формы: Листы, пластины, прутки, поковки и проволока.
- Размеры: Толщина листов от 0,5 мм до 100 мм и диаметр круглых прутков от 1 мм до 300 мм.
Производственные стандарты
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| Форма продукта | Доступные формы | Доступные размеры | Производственные стандарты |
|---|---|---|---|
| Плиты/листы | Листы, плиты | Толщина: 0,5 мм – 100 мм | ASTM B637, AMS 5764 |
| Бары/стержни | Круглые стержни, Квадратные стержни | Диаметр: 1 мм – 300 мм | ASTM B637, AMS 5764 |
| Поковки | Блоки, Диски, Кольца | Размер: Индивидуальный | ASTM B637, AMS 5764 |
Сварка и обработка
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- Сварка: Можно сваривать такими методами, как TIG, MIG и контактная сварка. Для сохранения свойств могут потребоваться предварительный нагрев и термообработка после сварки.
- Обрабатываемость: Обычно обрабатывается в отожженном состоянии с использованием твердосплавных инструментов и соответствующих смазочно-охлаждающих жидкостей.
Преимущества и недостатки
| Аспект | Подробности |
|---|---|
| Преимущества | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| Недостатки | Higher cost compared to standard nickel alloys, requires specialized processing and handling due to its high strength and alloying elements. |
Сравнение с аналогичными сплавами
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:
| Тип/свойство сплава | УДИМАР® сплав 300 | УДИМЕТ® сплав 720 | УДИМЕТ® сплав R41 |
|---|---|---|---|
| Химический состав | High 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. |
| Механические свойства | Higher 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. |
| Приложения | Aerospace 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.