Jiangsu Hongbao Group Co., Ltd. 

Manufacture since 1958

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Home ProductsCold Drawn Seamless Steel Tube

Oil / Gas Industry Cold Drawn Steel Tube High Precision With Galvanized Surface

Oil / Gas Industry Cold Drawn Steel Tube High Precision With Galvanized Surface

    • Oil / Gas Industry Cold Drawn Steel Tube High Precision With Galvanized Surface
    • Oil / Gas Industry Cold Drawn Steel Tube High Precision With Galvanized Surface
  • Oil / Gas Industry Cold Drawn Steel Tube High Precision With Galvanized Surface

    Product Details:

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

    Payment & Shipping Terms:

    Minimum Order Quantity: 1 ton
    Price: Negotiable
    Packaging Details: seaworthy plywooden case packing.
    Delivery Time: within 50 days
    Supply Ability: 30000MT per year
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    Detailed Product Description
    Material:: Low Carbon Steel,Carbon Steel,Carbon Alloy Steel,E355,E235,ST37.2 Certificate:: TS16949,DNV,PED,ISO
    Origin:: Jiangsu,China OD:: 4-383mm
    Thickness:: 0.5-18mm Processing:: Seamless

    EN10305-1 E235 E355 Seamless Steel Tube Annealing Cold Drawn Precision Products

     

    Description

    Delivery

    Conditions

    1. BK (+C) No heat treatment after last cold forming process.
      2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
      3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
      4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
      5. NBK (+N)

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

    point in a controlled atmosphere.

     

     

     

     

     

     

     

     

     

     

     

     

     

    DELIVERY CONDITIONS

    The tubes can be produced in the following delivery conditions:

    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.

     

    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 in a controlled atmosphere.

     

     

    Contact Details
    Jiangsu Hongbao Group Co., Ltd.

    Contact Person: angela zhu

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