S355G3+N Plate is one such grade of pipe that is used to produce the structural parts of bolted and welded steel.
Chemical composition for S355G3+N Offshore Structural Steel Plates (Ladle Analysis Max%)
|
Main chemical elements composition of S355G3+N |
||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
|
0.18 |
0.50 |
0.90-1.65 |
0.030 |
0.025 |
0.30 |
0.10 |
|
Ni |
Alt min. |
Cu |
N |
Nb |
Ti |
V |
|
0.50 |
0.020 |
0.35 |
0.015 |
0.060 |
0.030 |
0.12 |
Mechanical property for S355G3+N Offshore Structural Steel Plates
| Rm - Tensile strength (MPa) (+N) | 470-630 |
| Nominal thickness (mm): | to 16 | 16 - 40 |
| ReH - Minimum yield strength (MPa) (+N) | 355 | 345 |
| KV - Impact energy (J) (+N) | -40° 50 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 22 |
What is S355G3 equivalent to?
Q355B
S355G3+N is a weldable structural steel suitable for use in fixed offshore structures, such as windmills. This grade is similar to BS 7191:1989 355E.
What is the ASTM equivalent of S355?
A572-50
The chemical composition and mechanical properties of S355 are governed by EN Standards However, some projects may require materials that meet ASTM standards. ASTM has identified A572-50 as an acceptable substitution for S355.
Structural Steel Grades Available
