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