DIN 1629 Seamless circular unalloyed steel tubes subject to special requirements
Chemical Composition of DIN 1629 St37.0 Carbon Steel Pipes
| C % | P % | S % |
| 0.17 max | 0.040 max | 0.040 max |
Mechanical Properties of DIN 1629 St37.0 Carbon Steel Pipes
| Tensile Strength, Mpa | Yield Strength, MPa | Elongation, % |
| 350-480 | 235 min | 25 min |