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.
化学組成
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:
| 要素 | 構成 （％） |
|---|---|
| ニッケル(Ni) | 50.0 – 60.0 |
| コバルト(Co) | 18.0 – 22.0 |
| クロム(Cr) | 12.0～15.0 |
| モリブデン(Mo) | 2.0 – 3.0 |
| 鉄(Fe) | 5.0 – 8.0 |
| チタン(Ti) | 1.0 – 2.0 |
| アルミニウム(Al) | 0.1 – 0.5 |
| カーボン(C) | 0最大.05 |
機械的性質
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| 財産 | 価値 |
|---|---|
| 引張強さ、ksi (MPa) | 170 – 200 (1172 – 1379) |
| 降伏強さ (0.2% オフセット)、ksi (MPa) | 140 – 170 (965 – 1172) |
| 伸び (% 単位 2 インチ) | 15 – 25 |
| 硬度、ロックウェル C (HRC) | 35 – 45 |
性能特性
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- 耐食性: 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.
産業用途
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| 産業部門 | アプリケーション |
|---|---|
| 航空宇宙 | Turbine blades, discs, shafts, and casings for aerospace engines. |
| 発電 | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| 化学処理 | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
形状とサイズ
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- フォーム: 板、板、棒、鍛造品、線材。
- サイズ: 板厚は0.5mm～100mm、丸棒は直径1mm～300mmまで対応可能です。
製造基準
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| 製品形態 | 利用可能な形状 | 利用可能なサイズ | 製造基準 |
|---|---|---|---|
| プレート/シート | シート、プレート | 厚さ：0.5mm～100mm | ASTM B637、AMS 5764 |
| バー/ロッド | 丸棒、角棒 | 直径：1mm～300mm | ASTM B637、AMS 5764 |
| 鍛造品 | ブロック、ディスク、リング | サイズ: カスタマイズされた | ASTM B637、AMS 5764 |
溶接・加工
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- 溶接： TIG、MIG、抵抗溶接などの溶接方法が可能です。特性を維持するには、予熱および溶接後の熱処理が必要な場合があります。
- 機械加工性: 通常、超硬工具と適切な切削液を使用して溶体化処理された状態で機械加工されます。
長所と短所
| 側面 | 詳細 |
|---|---|
| 利点 | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| 短所 | 標準的なニッケル合金と比較してコストが高く、強度と合金元素が高いため、特殊な加工と取り扱いが必要です。 |
類似合金との比較
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:
| 合金の種類/特性 | UDIMAR® アロイ 300 | UDIMET® アロイ 720 | UDIMET® アロイ R41 |
|---|---|---|---|
| 化学組成 | 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. |
| 機械的性質 | 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. |
| アプリケーション | Aerospace engine components, gas turbines, and industrial applications requiring high strength and corrosion resistance. | 高温強度と耐酸化性を必要とするガスタービン、航空宇宙部品。 | 高温強度と耐酸化性を必要とするガスタービン、航空宇宙部品。 |
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.