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Alloy 28 Special Stainless Steel With Oxidizing Acids Corrosion Resistance

Categories Special Stainless Steel
Brand Name: XUNSHI
Model Number: N08028
Certification: ISO9001
Place of Origin: China
MOQ: 50kg
Price: Negotiable
Payment Terms: T/T
Supply Ability: 500kg per week
Delivery Time: 30-35 days
Packaging Details: Plywood case
Equal grades: Alloy28,UNS N08028,Sanicro 28, 1.4523, DIN X NiCrMoCuN 31 27 4
Forms of supply: Tube, pipe, bar, forging, rod, wire, strip, plate
Spec: ASTM B668 - 14
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    Alloy 28 Special Stainless Steel With Oxidizing Acids Corrosion Resistance

    Alloy 28 with Excellent Resistance to Reducing and Oxidizing Acids

    Alloy 28 (UNS N08028, W. Nr. 1.4563) is a nickel-iron-chromium alloy with additions of molybdenum and copper. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localise attack such as pitting and crevice corrosion. The alloy are especially resistant to sulphuric and phosphoric acid. Used for chemical processing, pollution control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production and pickling equipment.

    Typical composition

    Ni=31, Cr=27, Cu=1.0, Mo=3.5, C≤0.020, Mn≤2.0, P≤0.025, S≤0.015, Si≤0.6, Fe=Rem


    ASTM B668 - 14
    Standard Specification for UNS N08028 and N08029 Seamless Pipe and Tube


    • Very high corrosion resistance in strong acids
    • Very good resistance to stress corrosion cracking (SCC) and intergranular corrosion in various environments
    • High resistance to pitting and crevice corrosion
    • Good weldability


    • Phosphoric acid
    • Sulphuric acid
    • Oil and gas
    • Fluoride-bearing media
    • Nuclear power plants
    • Seawater and chloride-bearing cooling water
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