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Alloy 20 flanges are crucial components in piping systems, particularly favored for their exceptional resistance to corrosion, particularly in acidic environments. Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium alloy with additions of copper and molybdenum, providing it with superb corrosion resistance against sulfuric acid, phosphoric acid, and other aggressive chemicals. These flanges are highly sought after in industries such as chemical processing, pharmaceuticals, food processing, and more, where corrosion resistance is paramount. The unique composition of Alloy 20 imparts not only corrosion resistance but also excellent mechanical properties, making it a reliable choice for demanding applications where durability and longevity are essential.
Specifications : ASTM B462 / ASME SB462
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″NB TO 60″NB
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.
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We offer These Alloy 20 Flanges as per DIN, ISO, JIS or ANSI Standard.
Since Alloy 20 flanges have excellent mechanical qualities and are resistant to wear corrosion, and high temperatures, they are widely used in various industries. These flanges are widely used in the oil and gas, petrochemical, power generation, and aerospace industries. They play an important part in joining equipment, valves, and pipe systems. They are perfect for applications exposed to severe operating conditions, such as high temperatures, high pressures, and corrosive environments, because of their exceptional strength, toughness, and wear resistance.
Yes, Alloy 20 flanges can be recycled after use. Nickel-based alloys like Alloy 20 are recyclable materials. After their service life, they can be collected, processed, and reused to create new products or materials, contributing to sustainability and resource conservation efforts.
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