We are a professional manufacturer of S355G7+M steel plate. S355G7+M is a structural steel for marine industry. The material can be delivered by normalizing (N) or thermomechanical rolling (M). According to EN10225:2001, the steel provided has good tensile and yield strength. The followig is the S355G7+M marine steel plate chemical composition.
S355G7+M marine steel plate chemical composition
| Grade |
C |
Si |
Mn |
P |
S |
Al |
N |
|
S355G7+M |
0.14 |
0.15-0.55 |
0.01-1.0 |
0.02 |
0.01 |
0.0055 |
0.01 |
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.04 |
0.06 |
0.025 |
0.3 |
0.25 |
0.5 |
0.08 |
Due to the harsh working environment of the ship, the hull of the hull is subject to seawater chemical corrosion, electrochemical corrosion, marine organisms, and microbial corrosion; the hull bears large wind and wave impacts and alternating loads; the shape of the ship makes its processing methods complicated and other factors, so the S355G7+M marine steel plate has strict requirements.
First of all, good toughness is the most critical requirement. In addition, S355G7+M marine steel plate is required to have higher strength, good corrosion resistance, welding performance, processing and forming performance and surface quality.
