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JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section

    Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers
     
    Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers
    • Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers
    • Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers
    • Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers
    • Buy cheap JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section from wholesalers

    JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section

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    Brand Name : Torich
    Model Number : JIS G 3466
    Certification : IS09001 ISO14001 TS16949
    Price : NEGOTIATION
    Payment Terms : L/C, T/T
    Supply Ability : 60000 tons annual
    Delivery Time : 30-60DAYS
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    JIS G3466 STKR490 40x40x2.5 Galvanized Square Hollow Section


    JIS G 3466 SS400 STKR 400 STKR490 galvanized square hollow section 40x40x2.5

    Special shape : Square and retangle shape seamless steel tubes

    JIS G 3466 Carbon Steel Square and Rectangle tubes for general structure


    Standard JIS G 3466

    Deminsion 420mm*420mm upon requests

    Wall thickness 0.5-50mm

    Length 12m max


    Application :for general structural purposes


    Produce method:

    1. Forming welded steel tubes
    2. Seamless steel tubes into square
    3. Forming a steel sheet in coil into square section or into one pair of channel section followed by a continuous electric ressistance welding or automatic arc welding process.

    CHEMICAL COMPOSITION % max

    Steel grade

    C

    Si

    Mn

    P

    S

    STKR 400

    0.25

    -

    -

    0.04

    0.04

    STKR 490

    0.18

    0.55

    1.5

    0.04

    0.04


    MECHANICAL PROPERTIES min

    Steel Grade

    Tensile strength Mpa

    Yeild point or proof stress Mpa

    Elongation %

    STKR 400

    400

    245

    23

    STKR 490

    490

    325

    23


    Dimensional tolerance

    Specified item and dimension

    Dimensional tolerance

    length of side

    100mm or under

    ±1.5mm

    over 100mm

    ±1.5%

    Unvenness of flat plate portions

    side length 100mm or under

    0.5mm max

    side length over 100mm

    within 0.5% of side length

    Angularity made by adjacent flat plate portions

     

    ±1.5°

    Dimension at corner:s

    3t max

    Length

    + not specified

    0

    Un-straightness

    Within 0.3%

    Wall thickness :t

    Square steel tube manufacture by welding

    under 3 mm ±0.3mm
    3mm or over ±10%

    Seamless square steel tube

    under 4mm ±0.6mm
    4mm or over ±15%


    More: Torich JIS G3444 3466 Standard STK400 STKR 400 STKR490 Square Steel Pipe 20x20x2 used as table leg Square and rectangle Weight:


    W=0.0157t(A+B-3.287t)


    Coating: Hot dip zinc coating

    Electrolytic zinc coating

    Hot dip aluminium -coated

    Hot dip zinc-5% aluminium alloy-coated

    Hot dip 55% aluminium alloy coated


    End: plain or charmfering


    JIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure JIS G 3466 Forming Welded Carbon Steel Square Tubes for General StructureJIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure JIS G 3466 Forming Welded Carbon Steel Square Tubes for General Structure




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