EN 10225 Grade S355G12 thermomechanically rolled
EN 10225 Grade S355G12 thermomechanically rolled introduction
The standard is applicable to steels for offshore structures, designed to operate in the offshore sector but not to steels supplied for the fabrication of subsea pipelines, risers, process equipment, process piping, and other utilities. It is primarily applicable to the North Sea Sector, but may also be applicable in other areas provided that due consideration is given to local conditions e.g. temperature.
Equivalent material: EN S355G12+M, DIN 1.8809, EN 1.8809
EN 10225 Grade S355G12 thermomechanically rolled general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
Typical for Steel |
EN 10225 Grade S355G12 thermomechanically rolled chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.015 - 0.055 % |
| Antimony |
Antimony of 0.01 % |
| Arsenic |
Arsenic of 0.03 % |
| Bismuth |
Bismuth of 0.01 % |
| Boron |
Boron of 1E-3 % |
| Calcium |
Calcium of 5E-3 % |
| Carbon |
Carbon of 0.14 % |
| Chromium |
Chromium of 0.25 % |
| Copper |
Copper of 0.3 % |
| Lead |
Lead of 0.01 % |
| Manganese |
Manganese of 1.65 % |
| Molybdenum |
Molybdenum of 0.08 % |
| Nickel |
Nickel of 0.5 % |
| Niobium |
Niobium of 0.04 % |
| Nitrogen |
Nitrogen of 0.01 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.55 % |
| Sulfur |
Sulfur of 7E-3 % |
| Tin |
Tin of 0.02 % |
| Titanium |
Titanium of 0.03 % |
| Vanadium |
Vanadium of 0.06 % |
EN 10225 Grade S355G12 thermomechanically rolled mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
Typical for Steel |
| Elongation |
20.0 °C |
Elongation of 22 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 460 - 620 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 335 - 355 MPa |
- |
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