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Seamless Precision Steel Tubes

Home » Products » Seamless Precision Steel Tubes » DIN2391 Seamless Precision Cold Drawn Steel Tubes

DIN2391 Seamless Precision Cold Drawn Steel Tubes
  • The name :

    DIN2391 Seamless Precision Cold Drawn Steel Tubes

  • Product Description
  • Applications: for Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber

    Auto shock absorber innder cylinder / Telescopic Cylinders

    Size range: O.D.:6-280mm W.T.:1-30mm L:max12000mm
  • Model : DIN2391
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Instruction

Standard: DIN2391 Seamless Cold Drawn/Rolling Steel Tubes

Applications: for Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber                                        
 

Auto shock absorber innder cylinder / Telescopic Cylinders                                        

Size range: O.D.:6-350mm     W.T.:1-50mm      L:max12000mm                                        

Steel Grade and Chemical Compositions:

Steel Grade C Si Mn P S
max max
max max
ST35 0.17  0.35 ≥0.40 0.025 0.025
ST45 0.21 0.35 ≥0.40 0.025 0.025
ST52 0.22 0.35 ≥1.60 0.025 0.025

 

Mechanical properties at room temperature
Steel Grade Minimum values for the delivery condition
BKW BKS GBK (+N)  NBK
ST35 480 6 420 10 420 315 14 340-470 235 25
ST45 580 5 520 8 520 375 12 440-570 235 21
ST52 640 4 580 7 580 420 10 490-630 355 22


Note: Special steel grade is also available, according to customer request.

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