Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

din 1629 st52 pipe,St37.0 seamless pipe,St44.0 pipe

DIN 1269 seamless pipe

Sizes (O.D. x W.T): from 13.7mm -- 812.8mm x 1.5mm to 60mm
Standard: DIN1269
Steel Grade: St37, St44, St45, St52

din 1629 st52 pipe

din 1629 st52 pipe,

 

  DIN1629 pipe Mechanical Properties

Grade Yield Strength
(Mpa)
Tensile Strength
(Mpa)
Elongation
(%)L
Elongation
(%)T
DIN1629 ST37.0 ≥235 350-480 25 23
DIN1629 ST44.0 ≥275 420-550 21 19
DIN1629 ST52.0 ≥355 500-650 21 19
 

Delivery Condition:

  • Heat treatment,Annealed, Normalized, Normalized and Tempered

Surface treatment:

  • Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
  • Painting as requested.

Chemical Compositions(%) of DIN1629

Grade C Si Mn P S
DIN1629 ST37.0 ≤0.17 / / ≤0.040 ≤0.040
DIN1629 ST44.0 ≤0.21 / / ≤0.040 ≤0.040
DIN1629 ST52.0 ≤0.22 ≤0.55 ≤1.70 ≤0.040 ≤0.035

din 1629 St37.0 seamless pipe,din 1629 St44.0 pipe


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