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High Strength Welded Seamless Steel Tube With Alloy Steel 500DP 600DP 800DP

Categories Precision Steel Tubing
Brand Name: YAXIN
Certification: ISO9001, ISO18001, ISO14001, ISO/TS16949
Place of Origin: China
Supply Ability: 5000 metric tons per month
Delivery Time: 15-30 days
Packaging Details: Wooden case
Payment Terms: L/C, T/T
Material: carbon steel
material: alloy steel
type: welded steel tube
tube shape: round
application: automotive, machinery
Price: Negoniation
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    High Strength Welded Seamless Steel Tube With Alloy Steel 500DP 600DP 800DP

    High strength welded steel tubes


    Type: Precision welded steel tubes

    Standard: EN10305-3

    Steel grade: 500DP, 600DP, 800DP

    Application: Car safety components such reinforcements, seat racks.

    Other steel grades and conditions are on request of clients


    Chemical composition

    Steel grade

    C, max

    %

    Si, max

    %

    Mn, max

    %

    P, max

    %

    S, max

    %

    Al, max

    %

    Nb+Ti, max, %
    500DP0.100.501.000.0250.0200.0150.10
    600DP0.120.401.000.0250.0100.0150.10
    800DP0.150.401.800.0200.0100.0150.10

    Mechanical properties

    Steel grade

    Yield strength, Rp

    MPa

    Tensile strength, Rm

    MPa

    Elongation A, min

    %

    500DP290-370500-60020
    600DP350-450600-70016
    800DP500-650800-95010

    Dimensional range:

    OD: Up to 70mm

    WT: Up to 2.1mm

    Any specific size is to be discussed before offer


    The tube be 100% eddy current tested

    Ultrasonic test is as option

    ID accuracy: H8, H9

    Straightness ≤1mm/1000mm

    Roughness: Ra ≤0.6


    Delivery condition for availability:

    +CCold drawn / hard
    +LCCold drawn / soft
    +SRCold drawn and stress relieved
    +ABright annealed
    +NBright normalized

    The internal and external surface finish of the tubes shall be typical of the manufacturing process and, where applicable, the heat treatment, and it shall be such that any surface imperfections such as ridges, dents or shallow grooves requiring dressing can be identified.


    Any surface imperfections, whose depth cannot be clearly identified, or,

    • It shall be permissible to dress, only by grinding or machining, surface imperfections provided that, after doing so, the dimensions are within the specified tolerances. All dressed areas shall blend smoothly into the contour of the tube.
    • Surface imperfections which encroach on the specified minimum wall thickness shall be considered defects.

    The tubes shall have smooth outer and inner surface. The roughness Ra shall be:

    ≤4 μm on the outer and inner surface of tubes in the delivery conditions +C and +LC.

    ≤4 μm on the outer surface of tubes in the delivery conditions +SR, +A and +N.


    The tubes are tested by means of following norms

    EN10002-1

    EN10233

    EN10234

    EN10246-1

    EN10246-3

    EN10246-7


    Tubes shall be delivered with square cut ends. The ends are free of excessive burrs.

    The tubes are bundled in the waterproof plastic sheet and packed in the wooden cases

    The case is most suitable for hanging by forklift.

    EN10204-3.1 MTC shall be issued

    EN10204-3.2 MTC is as option


    Quality High Strength Welded Seamless Steel Tube With Alloy Steel 500DP  600DP 800DP for sale
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