Steel & Products

En10305-1 Seamless Cold Drawn Tubes

Guangzhou Kingmetal Steel Industry Co., Ltd.
  • Type:Seamless
  • Technique:Cold Drawn
  • Material:Carbon or Alloy Steel
  • Surface Treatment:Bright Finishing or Polishing
  • Usage:Pipeline Transport, Oil,Gas Drilling, Machinery Industry, Chemical Industry, Special Purpose
  • Section Shape:Round

Base Info

  • Model NO.:KM-20200930
  • Size:4-260mm
  • Thickness:0.5-25mm
  • Grade:E215, E235, E355,etc
  • Processing Way:Cold Drawn or Cold Rolled
  • Product Application:Auto Industry,for Machinery Use,Oil Cylinder Tube
  • Package:in Bundle
  • Transport Package:in Bundle
  • Specification:4mm~260mm
  • Trademark:Kingmetal
  • Origin:Made in China
  • HS Code:73043190
  • Production Capacity:500~1000 Tons Per Month

Description

+CCold drawn / hard+LCCold drawn / soft+SRCold drawn and stress relieved+ABright annealed+NBright normalized

Technical delivery conditions:

  • Steel GradeChemical Components (%)Steel NameSteel NumberC

     

    max.

    Si

     

    max.

    Mn

     

    max.

    P

     

    max.

    S

     

    max.

    AL

     

    min.

    E2151.02120.100.050.70.0250.0250.025E2351.03080.170.351.20.0250.025/E3551.0580.220.551.60.0250.025/

    Delivery Conditions

    The tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:

    DesignationSymbolDescriptionCold drawn/hard+CNo heat treatment after the final cold drawing process.Cold drawn/soft+LCAfter the final heat treatment there is a suitable drawing pass.Cold drawn and stress relieved+SRAfter the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.Annealed+AAfter the final cold drawing process the tubes are annealed in a controlled atmosphere.Normalized+NAfter the final cold drawing operation, the tubes are normalized in a controlled atmosphere.

    Delivery Condition Symbol in accordance with EN10305 and DIN2391

    Symbol in accordance with EN 10305Symbol in accordance with DIN2391+CBK+LCBKW+SRBKS+AGBK+NNBK

    Mechanical Properties

    Mechanical properties at room temperatureSteel GradeMinimum values for the delivery conditionSteel NameSteel Number+C+LC+SR+A+NRm

     

    Mpa

    A

     

    %

    Rm

     

    Mpa

    A

     

    %

    Rm

     

    Mpa

    ReH

     

    Mpa

    A

     

    %

    Rm

     

    Mpa

    A

     

    %

    Rm

     

    Mpa

    ReH

     

    Mpa

    A

     

    %

    E2151.02124308380123802801628030290 to 4302530E2351.03084806420104203501631525340 to 48023525E3551.0580640458075804501045022490 to 6303552En10305-1 Seamless Cold Drawn Tubes
    En10305-1 Seamless Cold Drawn Tubes