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DIN2391-1/EN10305-1 Seamless Precision Steel Tube

Seamless Precision Steel Tube.

Detailed Description

  • Carbon steel tubes for machine structural purposes .
  • Standard:
    • DIN2391-1: Seamless Precision Steel Tube.
    • EN 10305-1: Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes.
  • Size (mm):
    • Outer Dimensions: 4.0mm ~ 60.0mm
    • Wall Thickness: 0.5mm ~ 8 mm
    • Length: max 6000mm
  • Application:motor-car construction, pneumatic and hydraulic operating mechanisms .
  • Steel grade: DIN2391-1(ST35, ST45, ST52), EN10305-1(E215, E235, E355).
  • Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
  • Painting: as requested.

DIN2391-1: Chemical Compositions(%)

Grade C Si Mn P S
ST35 ≤0.17 ≤0.35 ≥0.40 ≤0.050 ≤0.050
ST45 ≤0.21 ≤0.35 ≥0.40 ≤0.050 ≤0.050
ST52 ≤0.22 ≤0.55 ≥1.60 ≤0.050 ≤0.050

 

DIN2391-1: Mechanical Properties


Grade
BK BKW BKS GBK NBK
Rm
N/mm
min
min Rm
N/mm
min
min N/
mm
min
ReH
N/mm
min
min N/
mm
min
min N/mm
min
ReH
N/mm
min
min
ST35 480 6 420 10 420 315 14 315 25 340-470 235 25
ST45 580 5 520 8 520 375 12 390 21 440-570 235 21
ST52 640 4 580 7 580 420 10 490 22 490-630 355 22

 

EN10305-1: Chemical Compositions(%)

Grade Steel
Number
C Si Mn P S Al
E215 1.0212 ≤0.10 ≤0.05 ≤0.70 ≤0.025 ≤0.025 ≥0.025
E235 1.0308 ≤0.17 ≤0.35 ≤1.20 ≤0.025 ≤0.025 /
E355 1.0580 ≤0.22 ≤0.55 ≤1.60 ≤0.025 ≤0.025 /

 

DIN10305-1: Mechanical Properties

Grade + C + LC + SR + A + N
Rm
Mpa
A% Rm
Mpa
A% Rm   
Mpa
ReH   Mpa A% ReH Mpa A% Rm  
Mpa
ReH   Mpa A%
E215 430 8 380 12 380 280 16 280 30 290-430 215 30
E235 480 6 420 10 420 350 16 315 25 340-480 235 25
E355 640 4 580 7 580 450 10 450 22 490-630 355 22

 

Products Photo Gallery

View or download the PDF catalogue of DIN2391-1/EN10305-1

 

Related Products

Tubes/pipes for Mechanical and Automobile
Application: motor-car construction, pneumatic and hydraulic operating mechanisms .

 

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