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EN10305-2 Welded Steel Tubes , Precision Cold Drawn Steel Tubes for Mechanical

Categories Welded Steel Tube
Brand Name: TORICH
Model Number: EN10305-2
Certification: ISO 9001-2008 ISO 14001 EN 10204.3.1 LR KR
Place of Origin: China
MOQ: 5 TONS
Price: 600-1200USD/TON
Supply Ability: 60000tons annually
Delivery Time: 5-8weeks
Packaging Details: oil antirust protection In hexagonal bundles or upon request
Steel grade: E155 E195 E235 E275 E335
Shape: Round
Diemension: 6-350mm*1-35mm*max12000mm
Applications: For Auto industry/for machinery use/Oil Cylinder Tube/Motorcycle shock absorber
Production method: Welded+ Cold Drawn
Delivery condition: + Cc + Lc + SR + Ad + N(NBK)
Note: Special steel grade is also available, according to customer request
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    EN10305-2 Welded Steel Tubes , Precision Cold Drawn Steel Tubes for Mechanical

    EN10305-2 Welded Steel Tubes with Precision Cold Drawn Steel Tubes for Mechanical / Automotive Application


    EN10305-2 Welded Precision Cold Drawn Steel Tubes
    Applications: for Auto industry/for Machinery use/Oil Cylinder Tube/Motorcyle Shock Absorber, inner cylinder/Telescopic Cylinders


    Quick Detail:
    Size Range: O.D.:6-350mm W.T.:1-35mm L:max12000mm

    Steel Grade: E195, E237, E275, E355,


    Description:

    ERW+ DOM

    The tubes are manufactured from electric welded pre-tubes by cold drawing or other suitable processes.

    The tubes not include welds used for joining lengths of flat rolled strips prior to forming the pre-tube


    Description:

    Mechanical tubing made from hot or cold-rolled steel.

    Covers electric-resistance-welded low carbon steel tubing for use as mechanical tubing


    Advantage:

    Good concentricity, Better price than seamless.

    Steel Grade and Chemical Compositions

    Steel GradeCSiMnPS
    Steel NameSteel Numbermaxmaxmaxmaxmax
    E1551.00330.110.350.700.0250.025
    E1951.00340.150.350.700.0250.025
    E2351.03080.170.351.200.0250.025
    E2751.02250.210.351.400.0250.025
    E3551.05800.220.351.600.0250.025

    Mechanical properties at room temperature
    Steel GradeMinimum values for the delivery condition a b
    Steel Name(+Cc)(+LCc)(+SR)(+Ad)(+N)

    Rm

    Mpa

    A %

    Rm

    Mpa

    A %

    Rm

    Mpa

    ReH

    Mpa

    A %

    Rm

    Mpa

    A %

    Rm

    Mpa

    ReHe

    Mpa

    A %
    E1551.00334006350103502451826028270-41015528
    E1951.00344206370103702601829028300-44019528
    E2351.03084906440104403251431525340-48023525
    E2751.0225560551085103751239021410-55027521
    E3551.0580640459065904351045022490-63035522

    aRm: tensile strength; ReH: upper yield strength; A: elongation after fracture
    b 1Mpa=1N/mm2
    c Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strength.
    For calculation purposes the following relations are recommended:
    for delivery condition +C: ReH ≥0.8 Rm
    for delivery condition +LC: ReH ≥0.7 Rm
    d For calculation purposes the following relation is recommended:ReH≥0.5Rm
    e For tubes with outside diameter ≤30mm and wall thickness ≤3mm the ReH minimim values are 10Mpa lower than the values given in this Table
    Note: Special steel grade is also available, according to customer request.


    Applications:

    Auto industry/for Machinery use/Oil Cylinder Tube/Motorcycle Shock Absorber

    inner cylinder/Telescopic Cylinders


    Competitive Advantage:

    Good source of raw material from Bao Steel.

    Prompt delivery time according to PO and agreement.

    Produce exactly according to standard and customer's requirement.

    Experienced export team for customer service, quick reply within 24 hours.


    Production Site:



    Test Methods:

    Tensile test


    Flattening test


    Drift expanding test


    Dimensional inspection


    Roughness measurement


    Visual examincation


    Not-destructive testing

    a. Test for longitudinal imperfections-

    - Eddy current test - EN10246-3, level E3

    - ultrasonic testing - EN10246-7, level U3


    b. Leak-tightness

    - Non-destructive testing for verification of leak-tightness shall be carried out in accordance with EN10246-1


    EN10305 Consists of the following Parts under the general title " Steel tubes for precision applications - Technical delivery conditions "


    Part 1: Seamless Cold Drawn Tubes


    Part 2: Welded Cold Drawn Tubes


    Part 3: Welded Cold Sized Tubes


    Part 4: Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems


    Part 5: Welded and Cold Sized Square and Rectangular Tubes


    Part 6: Welded Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems


    Normative references:


    EN10002-1, Metallic materials - Tensile Testing - Part 1: Method of test at ambient temperature


    EN10020, Definition and classification of grades of steel


    EN10021, General technical delivery requirements for steel and iron products


    EN10027-1, Designation systems for steel - Part 1 : Steel names, principal symbols


    EN10027-2, Designation systems for steel - Part 2: Numerical systems


    EN10052, Vocabulary of heat treatment terms for ferrous products.


    EN10204, Metallic products - Types of inspection documents


    EN10233, Metallic materials - Tube - Flattening Test


    EN10234, Metallic materials - Tube - Drift expanding test


    EN10246-1, Non-destructive testing of steel tubes - Part 1: Automatic electromagnetic testing of seamless and welded ( except submerged arc-welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness


    EN10246-3, Non-destructive testing of steel tubes - Part 3: Automatic eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections


    EN10246-5, Non-destructive testing of steel tubes - Part 5: Automatic full peripheral magnetics transducer/flux leakage testing of seamless and welded ( expcept submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal imperfections


    EN10246-7, Non-destructive testing of steel tubes - Qualification and competence of level 1 and 2 non-destructive testing personnel.


    EN ISO377, Steel and Steel products - Location and preparation of samples and test pieces for mechanical testing (ISO 377:1997)


    EN ISO 2566-1, Steel - Conversion of elongation values - Part 1: Carbon and Low alloy steels (EN102566-1:1984)


    EN 10168, Iron and steel products - Inspection documents - List information and description


    ENV10220, Seamless and welded steel tubes - Dimensions and masses per unit length


    EN10266, Steel Tubes, fittings and structural hollow sections - Definitions and symbols for use in product standards


    EN ISO 4287, Geometrical product specifications (GPS) - Surface Texture: Profile method - Terms, definition and surface texture parameters ( ISO 4287:1997)


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