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Alloy 20 is a popular grade of stainless steel with excellent machinability and chemical resistance. Because of its nickel-iron content, this alloy is highly resistant to oxidation and pitting corrosion. Its dimensional accuracy and high tensile strength make it an excellent choice for pipes and tubes used in various industrial applications. Alloy 20 Tubes are a type of steel with one or more elements added to it to improve its physical properties. They are used in many applications, from geothermal energy to solar energy and even pharmaceuticals. They are fabricated using the most advanced techniques to ensure they meet the highest quality standards. It contains nickel, chromium, molybdenum, and copper, so it’s ideal for industrial applications that require high corrosion resistance. It is also highly resistant to nitric acid.
Alloy 20 is a popular choice for chemical and pharmaceutical applications. It has a great range of properties and is highly resistant to corrosion. Nickel content gives it excellent resistance to sulfuric acid and other aggressive agents, while the molybdenum and copper add resistance to crevice and pitting corrosion. The alloy also has a high level of resistance to chloride ion corrosion.
Alloy 20 is a nickel-chromium-molybdenum alloy intended for sulfuric acid applications. Alloy 20 pipes and tubes are obtainable in bright annealed and bright annealed and cold rolled grease finishes, with ultra-bright finishes used for decorative applications.
Alloy 20 tubes are available in Alloy 20 Seamless Tubes and Alloy 20 Welded Tubes. They can be produced with a wall thickness of 0.35 to 0.109 inches. The alloy has a melting point of 1443 degrees Celsius and is suitable for high-temperature, high-pressure tubing. Its high nickel content makes it suitable for use in highly acidic environments.
Alloy 20 can be cold-worked or hot-forged. Forging requires the alloy to reach temperatures between 2100 and 2250 degrees Fahrenheit. However, careful temperature control is needed when using this alloy, as it can quickly lose its properties if it goes below 1800 degrees Fahrenheit. After hot-working, Alloy 20 should undergo annealing. It should be subjected to temperatures between 1730 degrees Fahrenheit and 1850 degrees Fahrenheit for thirty minutes per inch. Once this process is complete, the tube should be water-quenched.
Alloy 20 Tubes are available in a variety of sizes and lengths. They are available in coils and straight lengths. If unsure of the required length, use a weight calculator or a weight chart. Once you know the proper length, you can buy Alloy 20 Tubes with ease.
Table of Content
| Specification | ASTM B729 ASME SB729 / ASTM B468 ASME SB468 |
| Size | 5.0 mm – 1219.2 mm |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Alloy 20 Tubes available Ex-stock |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
| Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish for Alloy 20 Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Tube End | Plain End, Beveled End, Treaded. |
| UNS Designation & International Equialent for Alloy 20 Tubes | |||||||||
| Type | UNS | WNR. | JIS | EN | BS | AFNOR | GOST | ||
| Alloy 20 | N08020 | 2.4660 | – | NiCr20CuMo | – | Z2NCUD31-20AZ | – | ||
| Grade | C | Mn | Si | P | S | Cr | Ni |
| Alloy 20 | 0.07 max | 2 max | 1 max | 0.045 max | 0.035 max | 19 – 21 | 32 – 38 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
Check ASME B36.19 Alloy 20 Tube, B729 Alloy 20 Sch 40 Tube dimensions and thickness chart, SB 468 Alloy 20 Tube and 20 Alloy DIN 2.4660 Square Tube price per meter in India
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145, Sant Sena Maharaj Marg, 1st Floor, Near Gol Deol Temple,
Mumbai - 400 004 (India)
sales@navrangsteel.com
+91 22 23867540