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Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders

    Buy cheap Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders from wholesalers
     
    Buy cheap Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders from wholesalers
    • Buy cheap Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders from wholesalers
    • Buy cheap Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders from wholesalers

    Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders

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    Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders


    Hot Sale cold drawn pre-galvanized welded tube hydraulic cylinders


    EN10305-2 Cold Drawn Welded Precision Steel Tubes DOM tubing E155,E195,E235,E275,E355 +C +LC +SR +A +N

    DOM is a process that is applied to tubing after it is initially constructed.It is refferred to as Seamless ,It can be said that do seamless process method on ERW tubes,So the tubes will have a high strength ,high quality .Material form E155 E195 E235 E275 E355 1020 1026 and so on .DOM tubing is commonly use in auto parts .

    welded tube hydraulic cylinders

    Production Process:
    Cold rolling by Cold pilger machine and Cold rolling machine
    Size: 6-350mm

    WT: 1.0-35mm


    1. Standard:
    EN10305-2 Cold Drawn Precision Seamless Steel Pipes


    2. Steel Grade:
    E155,E195,E235,E275,E355, other materials upon agreement with customers.


    3. Production method:
    Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance


    4. Packing:
    In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing


    5. Deliver condition:
    1). +C No heat treatment after the final cold drawing process
    2). +LC After the final heat treatment there is a suitable drawing pass
    3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
    4). +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
    5). +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere

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    Detailed Images

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    QUALITY CONTROL

    1~ Incoming Raw Material Inspection
    2~ Raw Material Segregation to avoid steel grade mix-up
    3~ Heating and Hammering End for Cold Drawing
    4~ Cold Drawing and Cold Rolling, on line inspection
    5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
    6~ Straightening-Cutting to specified length-Finished Measuring Inspection
    7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
    8~ Packing and Stocking.


    FAQ.jpg

    Q: Are you trading company or manufacturer ?

    A: A professional steel pipes materials inventor, manufacturer and solution provider

    Q: How long is your delivery time?

    A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 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<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
    If you have another question, pls feel free to contact us

    Quality Cold Drawn Welded Steel Tube Pre Galvanized For Hydraulic Cylinders for sale
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