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ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant

    Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers
     
    Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers
    • Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers
    • Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers
    • Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers
    • Buy cheap ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant from wholesalers

    ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant

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    Brand Name : YUHONG
    Model Number : A790 S31803 Seamless Pipe
    Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
    Price : Negotiable
    Payment Terms : T/T,L/C
    Supply Ability : 1000 tons per month
    Delivery Time : Depends on quantity
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    ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant

    ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant


    UNS S31803, F51, 1.4462 duplex stainless steel is designed to combine improved resistance to stress corrosion cracking, pitting, crevice corrosion and high strength when compared with other stainless alloys.


    These attributes mean that Duplex UNS S31803, F51, 1.4462 can be used successfully as an alternative to standard stainless steel specifications in applications where higher strength and resistance to stress corrosion cracking is required.


    Chemical Composition of S31803


    PropertyValue
    Carbon

    0.03%

    Chromium

    21-23%

    Manganese

    2%

    Molybdenum

    2.5-3.5%

    Nickel

    4.5-6.5%

    Nitrogen

    0.08-0.02%

    Phosphorus

    0.03%

    Silicon

    1%

    Sulfur

    0.02%


    Mechanical Behaviour


    PropertyValue
    Tensile Strength, min, ksi, [MPa]90 [ 620]
    Yield Strength, min, ksi [MPa]65 [450]
    Elongation in 2 in. or 50mm, min, %25
    Hardness, maxHBWHRC
    29030

    Tolerances Of ASTM A790 UNS S31803 Pipe


    NPS DesignatorPermissible Variations in Outside Diameter
    Over In.Under In.
    1/8 to 1-1/2, incl1/64 (0.015)1/32 (0.031)
    Over 1-1/2 to 4, incl1/32 (0.031)1/32 (0.031)
    Over 4 to 8, incl1/16 (0.062)1/32 (0.031)
    Over 8 to 18, incl3/23 (0.093)1/32 (0.031)

    Pressure Rating


    Pipes O.D. (in.)Duplex Steel 2205 Pipe Wall Thickness of Pipe (inches)
    .035.109.028.065.049.095.083.120
    1/44800370095007000
    1/8101007900
    3/8310061004400
    5/16370073005400
    3/43000220046004000
    1/2230044003200
    139002200340029004300


    Duplex Stainless Steel Features


    Duplex stainless steels have Austenitic and Ferritic stainless steel microstructure, and possess properties in two groups stainless steel, however, there are different.


    Versus Austenitic

    • Higher yield strength
    • Greater corrosion resistance
    • Stress corrosion cracking resistance
    • Not common, used temperate under 250 C.
    • Fabricability not good as Austenitic
    • Strictly control heat treatment and welding process
    • Price stability

    Versus Ferritic

    • Good toughness than Ferric, not hard
    • Greater corrosion
    • Fabricability is better
    • Better weldability
    • Wide usage than Ferritic
    • Higher price

    APPLICATIONS:


    · Chemical processing, transportation and storage

    · Oil and gas exploration and offshore drilling rigs

    · Oil and gas refining

    · The marine environment

    · Pollution control equipment

    · Pulp and paper manufacturing

    · Chemical process plant

    Quality ASTM A790 S31803 Duplex Seamless And Welded Pipe Corrosion Resistant for sale
    Company Info.
    Yuhong Group Co.,Ltd
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