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.
Kimyasal bileşim
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:
| Öğe | Kompozisyon (%) |
|---|---|
| Nikel (Ni) | 50.0 – 60.0 |
| Kobalt (Co) | 18.0 – 22.0 |
| Krom (Cr) | 12.0 – 15.0 |
| Molibden (Mo) | 2.0 – 3.0 |
| Demir (Fe) | 5.0 – 8.0 |
| Titanyum (Ti) | 1.0 – 2.0 |
| Alüminyum (Al) | 0.1 – 0.5 |
| Karbon (C) | 00,05 maksimum |
Mekanik özellikler
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| Mülk | Değer |
|---|---|
| Çekme Dayanımı, ksi (MPa) | 170 – 200 (1172 – 1379) |
| Akma Dayanımı (%0,2 ofset), ksi (MPa) | 140 – 170 (965 – 1172) |
| Uzama (2 inç cinsinden) | 15 – 25 |
| Sertlik, Rockwell C (HRC) | 35 – 45 |
Performans Özellikleri
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- Korozyon Direnci: 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.
Endüstri Uygulamaları
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| Sanayi Sektörü | Uygulamalar |
|---|---|
| Havacılık | Turbine blades, discs, shafts, and casings for aerospace engines. |
| Güç üretimi | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| Kimyasal İşleme | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
Şekiller ve boyutlar
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- Formlar: Levhalar, levhalar, çubuklar, dövme parçalar ve teller.
- Boyutlar: Plakalar için kalınlıklar 0,5 mm'den 100 mm'ye, yuvarlak çubuklar için çaplar 1 mm'den 300 mm'ye kadar değişmektedir.
Üretim Standartları
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| Ürün Formu | Mevcut Şekiller | Mevcut Boyutlar | Üretim Standartları |
|---|---|---|---|
| Plakalar/Levhalar | Çarşaflar, Tabaklar | Kalınlık: 0,5 mm – 100 mm | ASTM B637, AMS 5764 |
| Çubuklar/Çubuklar | Yuvarlak çubuklar, Kare çubuklar | Çap: 1 mm – 300 mm | ASTM B637, AMS 5764 |
| Dövmeler | Bloklar, Diskler, Halkalar | Boyut: Özelleştirilmiş | ASTM B637, AMS 5764 |
Kaynak ve İşleme
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- Kaynak: TIG, MIG, direnç kaynağı gibi yöntemler kullanılarak kaynak yapılabilir. Özellikleri korumak için ön ısıtma ve kaynak sonrası ısıl işlem gerekebilir.
- İşlenebilirlik: Genellikle karbür takımlar ve uygun kesme sıvıları kullanılarak çözeltide tavlanmış durumda işlenir.
Avantajlar ve dezavantajlar
| Bakış açısı | Detaylar |
|---|---|
| Avantajları | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| Dezavantajları | Standart nikel alaşımlarına göre daha yüksek maliyet, yüksek mukavemet ve alaşım elementleri nedeniyle özel işlem ve kullanım gerektirir. |
Benzer Alaşımlarla Karşılaştırma
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:
| Alaşım Türü/Özelliği | UDIMAR® alaşımı 300 | UDIMET® alaşımı 720 | UDIMET® alaşımı R41 |
|---|---|---|---|
| Kimyasal bileşim | 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. |
| Mekanik özellikler | 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. |
| Uygulamalar | Aerospace engine components, gas turbines, and industrial applications requiring high strength and corrosion resistance. | Gaz türbinleri, yüksek sıcaklık dayanımı ve oksidasyon direnci gerektiren havacılık bileşenleri. | Gaz türbinleri, yüksek sıcaklık dayanımı ve oksidasyon direnci gerektiren havacılık bileşenleri. |
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.