Alloy 20 is a highly corrosion-resistant material that is widely used in various industries, particularly in applications where resistance to harsh chemicals and environments is crucial. Alloy 20 Buttweld Fittings are essential components in piping systems that transport corrosive fluids or gases. These fittings play a critical role in ensuring the integrity and longevity of the system while preventing leaks and corrosion.
Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium alloy with added copper and molybdenum, which enhances its corrosion resistance properties. This alloy is particularly resistant to sulfuric acid, phosphoric acid, and other aggressive chemicals. Due to its exceptional resistance to corrosion, Alloy 20 buttweld fittings are commonly used in industries such as chemical processing, pharmaceuticals, petrochemicals, and food processing.
Buttweld fittings are designed to create a secure, leak-proof connection between two pieces of piping or tubing. Alloy 20 Buttweld Fittings are available in various types, including elbows, tees, reducers, and caps, which allow for the customization of the piping system to meet specific requirements. These fittings come in different sizes and schedules to accommodate various pressure and flow conditions.
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The buttweld design of these fittings involves a beveled end that is welded to the corresponding beveled end of the piping, ensuring a robust, permanent connection. Welding is the preferred method for joining Alloy 20 fittings due to its strength and durability. However, it's crucial to employ skilled welders who are familiar with the unique properties of Alloy 20 to prevent any potential issues, such as sensitization, which can reduce its corrosion resistance.
Alloy 20 buttweld fittings offer several advantages:
Exceptional Corrosion Resistance: Alloy 20's resistance to a wide range of corrosive environments makes it a reliable choice for critical applications.
High Strength: These fittings can withstand high pressure and temperature conditions without deformation or failure.
Longevity: The corrosion resistance of Alloy 20 ensures the longevity of the piping system, reducing maintenance and replacement costs.
Versatility: Alloy 20 buttweld fittings can be used in various industries and applications, thanks to their broad chemical resistance.
Customization: With a range of fitting types, sizes, and schedules available, these fittings can be tailored to meet specific system requirements.
ASTM B366 / ASME SB366
ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59
Seamless Butt Weld Fittings : 1/2″ – 10″ Welded Butt Weld Fittings : 1/2″ – 48″
Seamless / Welded / Fabricated
SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
from 2 to 40 mm
R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
90 Deg. Elbow, 45 Degree Elbow, LR/SR Elbow, Reducers, Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short / Long stubends, End Cap, Lap-joint Stub End
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| Alloy 20 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo | – | – | – |
| 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 |
| 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 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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