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EN10305-1 Round Welded Steel Automotive Steel Pipe Cold Drawn Process

Categories Shock Absorber Tube
Brand Name: YAXIN
Certification: ISO9001, OHSAS18001, ISO/TS16949
Place of Origin: China
Payment Terms: L/C, T/T
Supply Ability: 5000 metric tons per month
Delivery Time: 15-30 days
Packaging Details: Wooden case
Material: carbon steel
Tube shape: round
application: automotive
type: welded steel tube
process: cold drawn
Price: Negoniation
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    EN10305-1 Round Welded Steel Automotive Steel Pipe Cold Drawn Process

    Steel tube parts for automotive industry


    Type: Cold drawn precision seamless carbon steel tube, cold drawn precision welded carbon steel tube

    Standard: EN10305-1, EN10305-2, EN10305-3

    Steel grade: ST35, ST37-2, ST37.4, ST52, ST52-3, ST52.4, Q235B, Q345B, SAE1020, E235, E355

    Delivery condition: +C, +LC, +SR, +A, +N

    Other steel grades and conditions are on request of clients


    Application:

    Suspension system for cars and trucks: shock absorbers, CV joint and ball cage, suspension arm bushing

    Steering system: steering columns


    Dimensional range:

    OD: Up to 90mm

    WT: Up to 5mm

    Length: Cut-to-length service is available, minimum to 30mm

    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



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