Aleación 20 is the perfect choice for critical components such as speciality tubos de acero inoxidable y accesorios. Standard stainless steels often have difficulty with highly corrosive media. This can lead to frequent repairs and loss of valuable time. Specialist supplier of stainless steel pipes and fittings tell you why it’s the right choice for you.
What is Alloy 20? Your Shield Against Corrosion!
Alloy 20 (UNS N08020) is a aleación a base de níquel. It is designed for resistance to sulfuric acid. Its unique composition includes nickel, chromium, molibdeno and copper. These elements provide a wide range of corrosion resistance. Controlled carbon content and niobium additions enhance its stability, making Alloy 20 suitable for welding. Preheating is often not required. Its 33 per cent nickel content provides effective resistance to chloride agrietamiento por corrosión bajo tensión (SCC).
Please note, however, that all beneficial properties of welded stainless steel tubes may be destroyed during processing.
Core Advantages of Alloy 20
Alloy 20 offers compelling benefits. These translate directly into mayor fiabilidad del sistema y reduced operational costs.
Alloy 20 excels in sulfuric acid environments. It resists general corrosion effectively. This protects your valuable equipment. It ensures long-term integrity in harsh chemical processes.
The high nickel content in Alloy 20 prevents stress corrosion cracking. This is crucial in chloride-containing media. It enhances safety and extends the lifespan of critical components. It reduces the risk of unexpected failures.
It is resistant to a wide range of aggressive media. These include nitric acid, phosphoric acid and hot brines. It offers a wide range of protection. It is therefore a highly adaptable material for a wide range of industrial applications.
Specialist fabricators can weld Alloy 20 with ease. its stable composition minimises sensitisation. This means that its corrosion properties remain unchanged after welding. It simplifies the manufacturing process and ensures reliable joints.
It can maintain its mechanical properties. Performs well at high temperatures, resists oxidation and maintains structural integrity. Therefore, it can be safely operated under harsh thermal conditions.
Chemical Composition of Alloy 20
| Elemento | Ni | Cr | Fe | Mes | Cu | Nótese bien | C | Minnesota | Si | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Contenido (%) | 32.0-38.0 | 19.0-21.0 | Equilibrio | 2.0-3.0 | 3.0-4.0 | 8xC-1.00 | ≤0.07 | ≤2,00 | ≤1.00 | ≤0.03 |
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Typical Physical & Mechanical Properties
| Fuerza de Tensión | Límite elástico (0.2% Offset) | Alargamiento | Reduction of Area | Densidad | Intervalo de fusión |
|---|---|---|---|---|---|
| 550MPa(80ksi) | 240MPa(35ksi) | ≥30 | ≥50 | 8.08g/cm³ | 1357−1430°C |
Alloy 20 in Industrial Applications
Alloy 20 is an excellent performer in areas where standard tuberías de acero inoxidable y accesorios are not up to the task. Its excellent corrosion resistance makes it useful in a variety of industries.
Alloy 20 is ideal for sulfuric acid applications. This includes tanks, piping, intercambiadores de calory bombas. It handles aggressive chemical reactions.
For drug synthesis and production, Alloy 20 ensures purity. It resists various corrosive reagents. This prevents contamination and maintains product integrity.
Can handle acidic foods. It is hygienic and corrosion resistant. Ensures product safety and equipment life.
In flue gas desulphurisation systems, it resists corrosive condensate. Extends the service life of scrubbers and pipework.
Alloy 20 withstands aggressive acid baths. This is crucial for metal surface treatment. It provides reliable equipment for pickling lines.
Formas comunes de los productos y normas aplicables
| Forma del producto | Correspondiente ASTM/Normas ASME |
|---|---|
| Tubos sin soldadura , Welded Pipe | ASTM B729, ASME SB729 |
| Welded Tube | ASTM B751, ASME SB751 |
| Accesorios de tuberia | ASTM B366 (cubre varias formas como codos, tes, reducciones) |
| Chapas, hojas y tiras | ASTM B463, ASME SB463 |
| Bar y Varilla | ASTM B473, ASME SB473 |
| Piezas forjadas | ASTM B472 |
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