ASTM B729 UNS N08020, Alloy 20, 2.4660 Nickel Alloy Steel Seamless Pipe
ASTM B729 UNS N08020, Alloy 20, 2.4660 Nickel Alloy Steel Seamless Pipe
ASTM B729 UNS N08020 is a specification for nickel alloy steel seamless pipes. This alloy, also known as alloy 20, is a nickel-iron-chromium alloy with additions of copper and molybdenum. It offers excellent corrosion resistance in a wide range of corrosive environments, including sulfuric acid, phosphoric acid, and nitric acid. The seamless pipes made from ASTM B729 UNS N08020 are used in various industries such as chemical processing, petrochemical, pharmaceutical, and food processing. They are commonly used for piping systems, heat exchangers, and pressure vessels where corrosion resistance is critical. ASTM B729 UNS N08020 Nickel Alloy Steel Seamless Pipes are manufactured using high-quality materials and strict quality control measures to ensure their durability and reliability. They are available in a range of sizes and dimensions to meet the specific requirements of different applications.
Specifications:
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Type | Seamless |
| Form | Round, “U” Shape, |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded. |
Chemical Equation
| Alloy 20 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 32 - 38 | 0.02 max | 2 - 3 | 1 - 2 | 0.7 max | Bal | 3 - 4 | 0.005 max | 0.02 max | 19 - 21 |
Mechanical Behaviour
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi - 35000 , MPa - 241 | Psi - 80000 , MPa - 551 | 30 % |
Equivalent of Carpenter 20 Electropolish Tube
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN |
| Alloy 20 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo |
Applications:
1. Chemical processing industry: ASTM B729 UNS N08020 Nickel Alloy Steel Seamless Pipe is commonly used in the chemical processing industry for handling corrosive chemicals such as sulfuric acid, phosphoric acid, and hydrochloric acid. Its resistance to corrosion and high temperature makes it a suitable choice for piping systems in chemical plants.
2. Petrochemical industry: Nickel Alloy Steel Seamless Pipe is also widely used in the petrochemical industry for oil and gas processing, refining, and transportation. Its high strength and resistance to corrosion make it an ideal material for pipelines, heat exchangers, and other equipment in petrochemical plants.
3. Power generation: ASTM B729 UNS N08020 Nickel Alloy Steel Seamless Pipe is used in power generation plants for steam and gas turbine systems, as well as in nuclear power plants for handling radioactive materials. Its high temperature resistance and excellent mechanical properties make it a reliable choice for piping systems in power generation facilities.
4. Aerospace industry: Nickel Alloy Steel Seamless Pipe is used in the aerospace industry for aircraft engines, fuel systems, and hydraulic systems. Its high strength-to-weight ratio and resistance to corrosion make it an ideal material for aerospace applications where reliability and performance are critical.
5. Marine industry: Nickel Alloy Steel Seamless Pipe is also used in the marine industry for offshore oil platforms, shipbuilding, and marine propulsion systems. Its resistance to seawater corrosion and high temperature make it a suitable material for marine applications where durability and reliability are essential.
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