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DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance

DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance

    • DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance
    • DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance
  • DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance

    Product Details:

    Place of Origin: Jiangsu, China
    Brand Name: Hongbao
    Certification: TS16949,DNV,PED,ISO,TUV,LR
    Model Number: HBPST-1

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 ton
    Price: Negotiable
    Packaging Details: seaworthy plywooden case packing.
    Delivery Time: Within 50 days if production
    Supply Ability: 30000MT per year
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    Detailed Product Description
    Material:: E235,E355,26MnB5,34MnB5 Certificate:: TS16949,DNV,PED,ISO,TUV,LR
    Origin:: Jiangsu,China OD:: 6-120mm
    Thickness:: 0.5-15mm Shape:: Round
    Type:: Welded Or Seamless Processing:: Cold Drawn, Cold Rolled

    DIN2391 Cold Drawn Precision Steel Tube Black Phosphated Welded Hydraulic Steel Tubes

     

    Description:

     The tubes can be produced in the following delivery conditions:

     GBK (+A) Annealed.

     After the final cold forming process the tubes are annealed in a controlled atmosphere.

     

     NBK (+N) Normalized. (Mainly focus on)

     After the final cold forming process the tubes are annealed above the upper transformation point.

     

     BK (+C) Cold finished/hard (cold finished as drawn).

     No heat treatment after the last cold forming process.

     

     BKW (+LC) Cold finished/soft (lightly cold worked)

     After the last heat treatment there is a light finishing pass (cold drawing).

     

     BKS (+SR) Cold finished/stress relieve annealed.

     After the final cold forming process the tubes are stress relieve annealed.

     

     

    Process Diameter Length Precision Inner Hole Roughness
    Cold Rolled 30-100mm ≤12 m H8-H10 0.4-1.6
    Cold Draw 30-250mm ≤12 m H8-H10 0.8-1.6
    Honing 40-500mm ≤12 m H8-H9 0.4-0.8
    Rolling 40-400mm ≤7 m H8 0.4
    Inner Diameter H8 H9 H10  

     

     

     

     

     

     

     

     

     Steel Tube are manufactured according to technical specification of EN10305-2 Cold Drawn Welded 

     

     Precision Steel Tubes DOM tubing, with steel grade of E155,E195,E235,E275,E355 and delivery

     

     conditions of +C +LC +SR +A +N

     

    DIN2391 Seamless Steel Tube Black Phosphated With Good Mechanical Performance

    Contact Details
    Jiangsu Hongbao Group Co., Ltd.

    Contact Person: angela zhu

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