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Nickel Alloy 20 Manufacturer

Nickel Alloy 20 · Nickel 20 · Alloy 20 · Carpenter 20 · Incoloy 20 · UNS N08020 · WNR 2.4660


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Nickel Alloy 20 Supplier | Nickel Alloy 20 Manufacturer | Nickel Alloy 20 Expoter | Nickel Alloy 20 Stockist | Nickel Alloy 20 Distributor

Alloy 20 (UNS N08020, W. Nr 2.4660) also known as Carpenter 20 and Incoloy 20, is an iron-base, austenitic nickel-iron-chromium alloy with excellent corrosion resistance to sulfuric acid and other aggressive environments.

Alloy 20 is a nickel-iron-chromium alloy with addition of copper and molybdenum providing resistance to hostile environments, pitting, and crevice corrosion. Carpenter 20 appears to fall between both the stainless and nickel categories as it contains characteristics of both. Incoloy 20 was designed for maximum resistance to acid attack and demonstrates superior resistance to stress-corrosion cracking in boiling 20% to 40% sulfuric acid, and also has excellent general corrosion resistance to sulfuric acid and to chloride stress corrosion cracking. Nickel Alloy 20 has good mechanical properties at both ambient and elevated temperatures, up to approximately 930°F (500°C) and is readily fabricated by usual industrial processes. Carpenter 20 is commonly used for chemical, pharmaceutical and food processing, tanks, piping, heat exchangers, pumps, and much more.

Common Trade Names: Nickel 20, Alloy 20, Carpenter 20, Nickel Alloy 20, Incoloy 20.
Specifications: UNS N08020, WNR 2.4660.
Applications: Food Processing Equipment, Marine and Offshore Engineering, Salt Production, Caustic Handling Equipment, Manufacture and Handling Of Sodium Hydroxide, Particularly at Temperatures Above 300° F, Reactors and Vessels in Which Fluorine is Generated and Reacted with Hydrocarbons.
Features: Unique Magnetic and Magnetostrictive Properties, High Thermal and Electrical Conductivities, Low Gas Content, Low Vapor Pressure.

Siddhagiri Metals and Tubes is a leading Supplier, Manufacturer and Exporter of high quality Nickel 20 with UNS N08020 and WNR 2.4660, in forms like Pipe, Tube, Flange, Fasteners, Fittings, Bars, Sheet, Plate and Wire Mesh. The mills that produce Nickel Alloy 200 products fulfill the toughest industry standards including those from ASTM, ASME, DIN, and ISO.

Nickel Alloy 20 Seamless Pipe

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Nickel Alloy 20 Flange

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Nickel Alloy 20 Fasteners

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Nickel Alloy 20 Pipe Fittings

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Nickel Alloy 20 Tube Fittings

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Nickel Alloy 20 Forged Fittings

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Nickel Alloy 20 Round Bar

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Nickel Alloy 20 Sheet Plate

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For more information on Nickel Alloy 20 please contact us.


Alloy 20, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Siddhagiri Metals and Tubes Supplies high quality Carpenter 20 with UNS N08020 and WNR 2.4660.
Other Names: Carpenter 20, Alloy 20, Nickel Alloy 20, Incoloy 20, Nickel 20.
Category: Nickel Alloy > Nickel Alloy 20.
Material: Nickel Alloy | Exotic Material
Brand: Siddhagiri Metals and Tubes
Manufacturer: Siddhagiri Metals and Tubes
Rating: 4.3/5 based on 87 customer reviews

Alloy 20 Specifications and Standards

Grade North America France Germany European Other Names
Alloy 20 UNS N08020 AFNOR Z2NCUD31 WNR/DIN 2.466 EURONORM NiCr20CuMo Carpenter 20/ Nickel 20

Properties of Alloy 20

  • Chemical Properties
    C. Mn Cu. Si. P. S. Nb. Ni. Cr. Mo.
    MIN - - 3.000 - - - - 32.000 19.000 2.000
    MAX 0.070 2.000 4.000 1.000 0.045 0.035 1.000 38.000 21.000 3.000
  • Mechanical Properties
    Yield Strength
    0.2% Proof
    (MPa)
    Tensile strength
    (MPa)
    Elongation
    (% in 50mm)
    Hardness
    (HB)
    MIN 241 551 30.00  
    MAX       217
  • Physical Properties
    Density lb/in³ 0.292
    g/cm³ 8.08
    Specific Heat Btu/lb•°F 0.12
    J/kg•°C 500
    Electrical Resistivity ohm•circ mil/ft 651
    µΩ•m 1.08
    Thermal Conductivity Btu•in/ft²•h•°F 85
    W/m•°C 12.3
    Shear Modulus 103 ksi 8.08
    GPa 11
    Young's Modulus 103 ksi 28
    GPa 193

Forms of Alloy 20

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