DIN Cold Drawing and BA Seamless Tube with High Precision

Product ID: Cold Drawing Series

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Synopsis of Process Routing:Quality carbon steel、cold drawing 、 bright heat treatment without oxidization (NBK status) 、 nondestructive testing、 in the wall honing and inside flushing under the high pressure、 antirust oiling outside surface、 plastic capping on both ends.
Main Features:high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
Main Application:to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.
Specifications
  • Main Norm
    • DIN2391-94/C
  • DIN2445
  • EN10305
  • DIN1630
  • DIN1629
  • ASTM A106
  • ASTM A179
  • JIS G3445
    • Main Steel Grade
      • St35(E235)
    • St37.4
    • St45(E255)
    • St52(E355)
      • Delivery Condition
        • NBK(+N)
      • GBK(+A)
      • BK(+C)
      • BKW(+LC)
      • BKS(+SR)
Features
  • Main Character
    • No oxidation layer on the outer and inner walls
  • No leakage under high pressure
  • High precision
  • High Cleanness
  • No distortion after cold bending
  • No crack under flaring and flattening
    • Main Character
      • No oxidation layer on the outer and inner walls
    • No leakage under high pressure
    • High precision
    • High Cleanness
    • No distortion after cold bending
    • No crack under flaring and flattening
      • Main Character
        • No oxidation layer on the outer and inner walls
      • No leakage under high pressure
      • High precision
      • High Cleanness
      • No distortion after cold bending
      • No crack under flaring and flattening
Certificate
  • ISO/TS16949:2009 Automotive Quality Systems Certification (AQA)

Main Products

tube/pipe/seamless tube/carbon tube