DIN 1629 Seamless circular unalloyed steel tubes subject to special requirements
Chemical Composition of DIN 1629 St52.0 Carbon Steel Pipes
| C % | Si % | Mn % | P % | S % |
| 0.22 max | 0.55 max | 1.60 max | 0.040 max | 0.035 max |
Mechanical Properties of DIN 1629 St52.0 Carbon Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % |
| 500-650 | 355 min | 21 min |