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STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure

STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure

    • STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure
    • STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure
    • STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure
    • STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure
    • STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure

    Product Details:

    Place of Origin: China
    Brand Name: Torich
    Certification: IS09001 ISO14001 TS16949
    Model Number: JIS G 3466

    Payment & Shipping Terms:

    Minimum Order Quantity: 5tons
    Price: NEGOTIATION
    Packaging Details: IN BUNDLES
    Delivery Time: 30-60DAYS
    Payment Terms: T/T L/C
    Supply Ability: 60000 tons annual
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    Detailed Product Description
    Grade: STKR 400 490 Dimensions: Diameter 5-420mm
    Application: General Structure Type: Carbon Structural Steel
    Standard: JIS

    STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure

     

    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%

     

     

    STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General StructureSTKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure STKR 400 2”*2“ Forming Welded Carbon Steel Square Tubes for General Structure

     

     

    Contact Details
    Torich International Limited

    Contact Person: Mr. Richard

    Tel: 86-574-88086983

    Fax: 86-574-88086983

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