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.
화학적 구성 요소
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:
| 요소 | 구성 (%) |
|---|---|
| 니켈(Ni) | 50.0 – 60.0 |
| 코발트(Co) | 18.0 – 22.0 |
| 크롬(Cr) | 12.0 – 15.0 |
| 몰리브덴(Mo) | 2.0 – 3.0 |
| 철(Fe) | 5.0 – 8.0 |
| 티타늄(Ti) | 1.0 – 2.0 |
| 알루미늄(Al) | 0.1 – 0.5 |
| 탄소(C) | 0최대 0.05 |
기계적 성질
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| 재산 | 값 |
|---|---|
| 인장 강도, ksi(MPa) | 170 – 200 (1172 – 1379) |
| 항복 강도(0.2% 오프셋), ksi(MPa) | 140 – 170 (965 – 1172) |
| 신율(2인치 단위의 %) | 15 – 25 |
| 경도, 로크웰 C(HRC) | 35 – 45 |
성능 특성
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- 부식 저항: 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.
산업 응용
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| 산업 분야 | 애플리케이션 |
|---|---|
| 항공우주 | Turbine blades, discs, shafts, and casings for aerospace engines. |
| 발전 | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| 화학 처리 | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
모양과 크기
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- 양식: 시트, 플레이트, 바, 단조품, 와이어.
- 크기: 플레이트의 경우 두께 범위는 0.5mm ~ 100mm이고, 둥근 막대의 경우 직경 범위는 1mm ~ 300mm입니다.
생산 표준
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| 제품 형태 | 사용 가능한 모양 | 사용 가능한 크기 | 생산 표준 |
|---|---|---|---|
| 플레이트/시트 | 시트, 플레이트 | 두께: 0.5mm – 100mm | ASTM B637, AMS 5764 |
| 바/막대 | 원형바, 사각바 | 직경: 1mm – 300mm | ASTM B637, AMS 5764 |
| 단조품 | 블록, 디스크, 링 | 크기: 맞춤형 | ASTM B637, AMS 5764 |
용접 및 가공
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- 용접: TIG, MIG, 저항 용접 등의 방법을 사용하여 용접할 수 있습니다. 특성을 유지하려면 예열 및 용접 후 열처리가 필요할 수 있습니다.
- 가공성: 일반적으로 초경 공구와 적절한 절삭유를 사용하여 용체화 어닐링 상태로 가공됩니다.
장점과 단점
| 측면 | 세부 |
|---|---|
| 장점 | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| 단점 | 표준 니켈 합금에 비해 비용이 높으며 강도가 높고 합금 성분이 높기 때문에 특수 처리 및 취급이 필요합니다. |
유사한 합금과의 비교
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:
| 합금 유형/속성 | UDIMAR® 합금 300 | UDIMET® 합금 720 | UDIMET® 합금 R41 |
|---|---|---|---|
| 화학적 구성 요소 | High nickel, cobalt, chromium, molybdenum for high-strength properties. | 고온 강도를 위한 고니켈, 코발트, 크롬, 텅스텐, 몰리브덴. | 고온 강도를 위한 고니켈, 코발트, 크롬, 텅스텐, 몰리브덴. |
| 기계적 성질 | 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. |
| 애플리케이션 | Aerospace engine components, gas turbines, and industrial applications requiring high strength and corrosion resistance. | 고온 강도와 내산화성이 요구되는 가스터빈, 항공우주 부품. | 고온 강도와 내산화성이 요구되는 가스터빈, 항공우주 부품. |
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.