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Versatile ALLOY 20 Corrosion-Resistant Alloy

Corrosion Resistant Alloy Series

ALLOY 20 is a versatile alloy known for its exceptional corrosion resistance in a wide range of corrosive environments. Composed primarily of nickel, chromium, and molybdenum, ALLOY 20 exhibits superb resistance to sulfuric acid, phosphoric acid, chlorides, and other aggressive chemicals. This alloy is commonly utilized in industries such as chemical processing, pharmaceuticals, food processing, and marine applications where resistance to acids and corrosive media is paramount. With its excellent mechanical properties and weldability, ALLOY 20 offers reliability and durability in challenging environments, making it an ideal choice for critical applications requiring corrosion resistance and longevity.

    CHEMICAL COMPOSITION

    ERAUM

    %

    C

    Si

    Mn

    P

    S

    Cr

    Fe

    Mo

    Cu

    Nb

    Cu

    Ni

    ALLOY 20

    MIN

    _

    _

    _

    _

    _

    19

    balance

    2.0

    3

    _

    _

    32

    MAX

    0.07

    1.0

    2.0

    0.045

    0.035

    21

    balance

    3.0

    4

    8

    1.0

    38

    Physical Properties

    density

    melting point

    Alloy state

    tensile strength

    yield strength

    Elongation at break

    Cross-sectional shrinkage

    8.08g/cm³

    1357-1430℃

    solid solution Treatment

    Rm N/mm2

    Rp0.2 N/mm2

    A5%

    Z%

    ≥551

    ≥241

    ≥30

    ≥50

    EXECUTIVE STANDARD

    Product

    ASTM Standard

    Bar

    ASTM B473

    Sheet

    ASTM B463

    seamless pipe&tube

    ASTM B729

    Product FEATURE

    Excellent resistance to corrosion by chlorinated salts, sulfuric acid, phosphoric acid, and nitric acid.

    Product application

    Pickling, heat exchanger, pharmaceutical.

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