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1020 DOM Steel Round Tube for Mechanical Applications

    Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
     
    Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
    • Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
    • Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
    • Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
    • Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers
    • Buy cheap 1020 DOM Steel Round Tube for Mechanical Applications from wholesalers

    1020 DOM Steel Round Tube for Mechanical Applications

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    Brand Name : TORICH
    Model Number : 1020 DOM
    Certification : API,CE,ISO,ISO9001-2008,ISO9001
    Price : 800-1000 USD/Ton
    Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram
    Supply Ability : 60000 Ton/Tons per Year
    Delivery Time : 20-30days upon products
    • Product Details
    • Company Profile

    1020 DOM Steel Round Tube for Mechanical Applications

    1020 DOM Tubing Drawn Over Mandrel (DOM) Steel Round Tube For Mechanical


    1020 DOM tubing is a cold-drawn, seamless steel tube produced by drawing a hot-finished tube over a mandrel, resulting in precise dimensions, smooth surface finish, and enhanced mechanical properties. Commonly manufactured from low-carbon grades such as AISI 1020, it offers excellent machinability, weldability, and uniform wall thickness, making it ideal for demanding mechanical applications. Key competing grades include AISI 1008, 1018, 1020, 1030, and 1045, each with distinct chemical and mechanical characteristics. DOM tubing typically conforms to standards such as ASTM A519/A513 (USA), EN 10305-1 (EU), GOST 8734-75 (Russia), JIS G3445 (Japan), and GB/T 4161 (China), and is widely used in automotive shafts, hydraulic cylinders, furniture components, and agricultural equipment.

    Material

    “Drawn Over Mandrel” (DOM) tubing is manufactured by cold drawing a seamless tube over a tight-fitting mandrel, which refines inner and outer diameters, improves surface finish, and enhances mechanical properties through work hardening . The base material is low-carbon steel, commonly AISI 1020, known for its ductility, weldability, and consistent grain structure .

    Specifications

    ParameterTypical RangeSource
    Outside Diameter (OD)4 mm – 200 mmGOST 8734-75 tolerances
    Wall Thickness (WT)1 mm – 20 mmGOST 8734-75 tolerances
    Length3 m – 6 mIndustry practice
    Surface FinishRa ≤ 1.6 µmASTM A519 requirements
    Straightness≤ 0.5% of lengthGOST 8734-75 requirements

    Chemical Composition

    GradeC (wt%)Mn (wt%)P (≤ wt%)S (≤ wt%)Other Highlights
    AISI 10080.08–0.100.40–0.700.0350.035Si 0.15–0.30; minor Ni, Cr, Cu, Mo
    AISI 10180.15–0.200.60–0.900.0400.050Fe balance
    AISI 10200.17–0.230.30–0.600.0400.050Si ≤ 0.35; Cu ≤ 0.40; Ni ≤ 0.40
    AISI 10300.28–0.340.60–0.900.0250.015Si 0.15–0.35; trace Mo
    AISI 10450.42–0.500.60–0.900.0400.050Fe balance

    Mechanical Performance

    GradeTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HB)
    AISI 10083402852095
    AISI 101844037015126
    AISI 102039529536.5111
    AISI 1030650–880350–5508–25–
    AISI 104556531016163

    Main Characteristics

    • Dimensional Precision: Tight tolerances (< ± 0.13 mm on OD; ± 0.12 mm on WT) ensure interchangeability .

    • Enhanced Strength: Cold work increases yield and tensile strength versus hot-finished tubes .

    • Improved Surface: Smooth, machine-ready finish (Ra ≤ 1.6 µm) reduces post-machining labor .

    • Excellent Machinability & Weldability: Low-carbon steel matrix supports easy cutting and effective fusion welding .

    • Uniform Wall Thickness: Mandrel drawing achieves consistent wall thickness with minimal eccentricity .

    Execution Standards

    • ASTM A519: Standard for seamless mechanical tubing, including DOM by cold drawing

    • ASTM A513: Standard for electric-resistance welded mechanical tubing

    • EN 10305-1: Cold drawn seamless steel tubes for pressure purposes, precision grade

    • GOST 8734-75: Cold-formed seamless steel pipes, defining OD, WT, and mass tolerances

    • JIS G3445: Cold drawn steel tubes for general mechanical and structural use

    • GB/T 4161: Cold drawn steel tubes for general engineering purposes (China)

    Application Fields

    General Field: Mechanical and structural engineering for movable components.

    • Automotive: Drive shafts, steering components, suspension parts where precision and fatigue strength are critical.

    • Hydraulics: Cylinder barrels and piston rods in hydraulic equipment requiring smooth bore and high straightness.

    • Furniture: Chair legs, railing spindles, connectors demanding aesthetic finish and uniformity.

    • Agriculture: Gear shafts, linkage rods, pick-up tubes where durability and machinability are essential.




    Q: Are you trading company or manufacturer ?

    A: manufacturer,also can do trading.


    Q: How long is your delivery time?

    A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

    it is according to quantity.


    Q: Do you provide samples? is it free or extra ?

    A: Yes, we could offer the sample for free charge but need pay the cost of freight.


    Q: What is your terms of payment ?

    A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

    If you have another question, pls feel free to contact with me.




    Product Tags:

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    1020 DOM Steel Round Tube for Mechanical Applications

    Company Info.
    TORICH INTERNATIONAL LIMITED
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