STELLITE® Alloy 3 Product Introduction
STELLITE® Alloy 3 is a cobalt-chromium-tungsten alloy known for its exceptional wear resistance, high temperature strength, and corrosion resistance. This article provides a comprehensive introduction to STELLITE® Alloy 3, detailing its chemical composition, mechanical properties, performance characteristics at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and comparisons with similar alloys.
Skład chemiczny
STELLITE® Alloy 3 is primarily composed of cobalt, chromium, tungsten, and smaller amounts of nickel and iron for enhanced properties.
| Element | Skład (%) |
|---|---|
| Cobalt (Co) | 52.0 – 62.0 |
| Chrom (Cr) | 27.0 – 31.0 |
| Wolfram (W) | 10.0 – 12.0 |
| Węgiel (C) | 0.15 – 0.45 |
| Nikiel (Ni) | 3.0 max |
| Żelazo (Fe) | 3.0 max |
| Krzem (Si) | 1,0 maks |
| Mangan (Mn) | 1,0 maks |
| Fosfor (P) | 00,03 maks |
| Siarka (S) | 00,03 maks |
Właściwości mechaniczne
STELLITE® Alloy 3 exhibits excellent mechanical properties suitable for high-wear applications:
| Nieruchomość | Wartość |
|---|---|
| Wytrzymałość na rozciąganie, ksi (MPa) | 100 (690) min |
| Granica plastyczności (przesunięcie 0,2%), ksi (MPa) | 50 (345) min |
| Wydłużenie (% na 2 cale) | 20 minut |
| Twardość, Rockwell C (HRC) | 38 – 46 |
Charakterystyka wydajności
STELLITE® Alloy 3 offers outstanding performance in severe conditions:
- Odporność na zużycie: Exceptional resistance to abrasion, erosion, and metal-to-metal wear, making it ideal for high-stress wear environments.
- Odporność na korozję: Good resistance to oxidation and corrosion in high-temperature environments, including acids and alkalis.
- Wytrzymałość w wysokiej temperaturze: Maintains high strength and hardness at elevated temperatures, up to approximately 1200°F (650°C).
Zastosowania branżowe
STELLITE® Alloy 3 is utilized in various industries for its wear and corrosion resistance properties:
| Sektor przemysłowy | Aplikacje |
|---|---|
| Lotnictwo | Aircraft engine components, turbine blades, and wear-resistant coatings. |
| Olej i gaz | Valve seats, pump components, and drilling tools exposed to abrasive environments and corrosive fluids. |
| Wytwarzanie energii | Gas turbine blades, boiler components, and steam turbine seals requiring high wear resistance and durability. |
| Industrial Machinery | Cutting tools, extrusion dies, and wear plates in manufacturing equipment. |
Kształty i rozmiary
STELLITE® Alloy 3 is available in various forms and sizes to meet specific application requirements:
- Formularze: Arkusze, płyty, pręty, rury i kształty niestandardowe.
- Rozmiary: Grubość w zakresie od 0,025 cala do 1000 cala (0,64 mm do 25,4 mm), średnica w zakresie od 0,25 cala do 6,0 cala (6,35 mm do 152,4 mm).
Standardy produkcyjne
STELLITE® Alloy 3 complies with industry standards for quality and performance:
| Formularz produktu | Dostępne kształty | Dostępne rozmiary | Standardy produkcyjne |
|---|---|---|---|
| Słupy | Okrągłe pręty, kwadratowe pręty | Średnica: 0,25″ – 6,0″ (6,35 mm – 152,4 mm) | ASTM A732 |
| Talerze/Arkusze | Talerze, prześcieradła | Grubość: 0,025 ″ – 1,000 ″ (0,64 mm – 25,4 mm) | ASTM A732 |
| Welding Rods | Pręty | Diameter: 0.125″ – 0.500″ (3.18mm – 12.7mm) | AWS A5.13 |
Spawanie i obróbka
STELLITE® Alloy 3 offers good weldability and machinability:
- Spawalniczy: Can be welded using conventional methods such as TIG and MIG welding with preheating and post-weld heat treatment to maintain properties.
- Przetwarzanie: Machinable using carbide tooling, although high cobalt content requires slower speeds and heavy feed rates.
Zalety i wady
| Aspekt | Detale |
|---|---|
| Zalety | High wear resistance, excellent strength at elevated temperatures, good corrosion resistance, and suitability for extreme environments. |
| Niedogodności | Higher cost compared to conventional materials, requires specialized machining and welding techniques due to high cobalt content. |
Podobne stopy
| Nazwa stopu | Porównanie |
|---|---|
| STELLITE® Alloy 6 | Similar in composition with higher tungsten content, providing superior resistance to galling and abrasion. |
| STELLITE® Alloy 12 | Lower carbon content, offering improved weldability and machinability compared to Alloy 3. |
Porównanie podobnych stopów
| Właściwość/funkcja | STELLITE® Alloy 3 | STELLITE® Alloy 6 | STELLITE® Alloy 12 |
|---|---|---|---|
| Zawartość kobaltu (%) | 52.0 – 62.0 | 54.0 – 62.0 | 31.0 – 35.0 |
| Zawartość chromu (%) | 27.0 – 31.0 | 27.0 – 32.0 | 8.0 – 10.0 |
| Tungsten Content (%) | 10.0 – 12.0 | 8.0 – 10.0 | 00,5 maks |
| Twardość, Rockwell C (HRC) | 38 – 46 | 48 – 55 | 28 – 36 |
| Aplikacje | Wear-resistant coatings, turbine components | Valve components, extrusion dies | Welding electrodes, pump parts |
This detailed article provides a comprehensive introduction to STELLITE® Alloy 3, 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 comparisons with similar alloys. Professionals seeking durable materials for high-wear applications will find this information valuable for selecting the appropriate alloy to meet their specific needs.