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Black Phosphate Finish Erw Precision Steel Tubes Cold Drawn 1 - 12m Length

Categories Welded Steel Tube
Place of Origin: Zhejiang, China (Mainland)
Certification: ISO 9001 TS16949 ISO 14001
Price: negotiable
MOQ: negotiable
Grade: 10#, 20#, 45#, ST35, St35.4, St35.8, St37, St37-2, ST37.4, St52, St52.4
Outer Diameter(Round): 12 - 128 mm
Application: Mechanical purpose
Surface Treatment: Black Phosphate Finish
Special Pipe: Hydraulic Seamless Tube
Length: 1-12m
Keyword: cold drawn precision welded steel tube
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    • Product Details
    • Company Profile

    Black Phosphate Finish Erw Precision Steel Tubes Cold Drawn 1 - 12m Length


    Professional supplier of cold drawn precision welded steel tube


    1. Quick Detail: cold drawn precision welded steel tube
    Black Phosphated Hydraulic Tubes with High Precision
    EN10305-1, EN10305-4, DIN2391,
    E235, E355, ST37.0, ST44.0, ST52.0
    Steel Pipes with high precision for Hydraulic Systems Black Phosphating


    2. Production process:
    DIN series tubes, cold drawn and bright annealed precision seamless steel tube is used as the tube to be phosphated. The phosphorization is realized with the imported chemical fluid to form a black film. The antirust oil is absorbed by means of the micropore on the film to prevent the tubes from getting rust.


    3. Main Features:
    Bright black color is homogeneously distributed on the tube surface. The tube has good property of antirust.


    4. Main Application:
    Phosphated hydraulic tube is mainly used in hydraulic system.


    5. Our products are widely used in:
    Engineering machinery Machine tool industry Hydraulic industry Special vehicle
    Automobile pipeline Heavy machinery Compressor Shipbuilding industry
    Railway locomotive Diesel engine Utility boiler Injection molding machine
    Power equipment Heavy duty automobile Forging and stamping machine


    6. Main Characteristics:
    No Oxidation Layer on the Outer and Inner Walls
    No Crack under Flaring and Flattening
    No Leakage under High Pressure
    No Distortion after Cold Bending
    High Precision High Cleanness Excellent Brightness

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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

    Buy Black Phosphate Finish Erw Precision Steel Tubes Cold Drawn 1 - 12m Length at wholesale prices
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