DIN 1629, DIN1629 ST37.0, DIN1629 ST44.0, DIN1629 ST52.0

DIN 1629 is the standard specifies the Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirements. The main products of steel grade is  DIN1629 ST37.0,  DIN1629 ST44.0,  DIN1629 ST52.0

DIN 1629 seamless pipe

DIN 1629 applications the overheated boilers, as minimum thickness ferrite and seamless steel pipes, and as heat exchangers via austenitic pipes.

DIN 1629 Size (mm):

  • Outer Dimensions: 6.0mm – 219.0mm
  • Wall Thickness: 1.0mm – 30 mm
  • Length: max 12000mm

Application: It is used for manufacturing pipeline,vessel,equipment,pipe fittings .
The main products of steel / steel grade: DIN1629(ST37.0, ST44.0, ST52.0)
Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
Painting: as requested.

Chemical Compositions(%) of DIN1629

Grade C Si Mn P S
ST37.0 ≤0.17 / / ≤0.040 ≤0.040
ST44.0 ≤0.21 / / ≤0.040 ≤0.040
ST52.0 ≤0.22 ≤0.55 ≤1.70 ≤0.040 ≤0.035

 

Mechanical Properties of DIN1629

Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation(%)L Elongation (%)T
ST37.0 ≥235 350-480 25 23
ST44.0 ≥275 420-550 21 19
ST52.0 ≥355 500-650 21 19
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