DIN 1629 seamless steel pipe is a German industrial standard product, suitable for manufacturing pipelines, containers, equipment, pipe fittings and steel structures.
DIN 1629 seamless cold-drawn steel pipe mainly includes steel pipe grades including St37.0, St44.0, St52.0, among which St52.0 is one of the most commonly used grades.
DIN 1629 carbon steel pipe has various specifications to meet the needs of different application scenarios. The outer diameter is generally 21.3mm to 1010mm, and the wall thickness is usually 2.0mm to 34.93mm.
Products Data
Chemical Composition of DIN 1629 Seamless Circular Unalloyed Steel Tubes
| Standard | Grade | Chemical Composition Limits (%) | ||||||
| C | Si | Mn | P | S | Cr | Mo | ||
| DIN1629 | 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 | ≤ 0.040 | / | / | |
Mechanical Properties of DIN 1629 Seamless Steel Tube
| Standard | Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| DIN1629 | St37.0 | 350-480 | ≥ 235 | ≥ 25 |
| St44.0 | 420-550 | ≥ 255 | ≥ 21 | |
| St52.0 | 500-650 | ≥ 270 | ≥ 21 |
Products display
DIN 1629 carbon seamless steel pipes
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