S355G9+M HSLA Steel Sheet
S355G9+M steel plate is a hot rolled steel plate for structural use with high strength and good weldability. The material complies with EN 10225 and is suitable for offshore structures and marine engineering. The S355 indicates that the steel has a minimum yield strength of 355 MPa, the G9 indicates a maximum thickness of 9 mm where variability needs to be controlled, and the M indicates weldability. Overall, S355G9+M is a high-strength steel plate for offshore structures.
S355G9+M hSLA structural steel plate chemical composition
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| ≤0.12 | 0.15-0.55 | ≤1.65 | ≤0.015 | ≤0.005 | ≤0.7 | ≤0.2 | ≤0.08 | ≤0.3 |
| Nb | V | Ti | Alt | N | B | Ca | Pb | |
| ≤0.03 | ≤0.06 | ≤0.025 | 0.015-0.055 | ≤0.010 | ≤0.0005 | ≤0.005 | ≤0.010 |
S355G9+M high strength steel plate mechanical property
| Delivery state | Thickness | Mechanical properties | ||
| Hot rolled | ≤16mm | ReH(MPa) | ≥355 | ReH/Rm≤0.93 |
| Rm(MPa) | 470～630 | |||
| A(%) | ≥22 | Horizontal | ||
| Impact temperature(℃) | -40 | |||
| Akv(J) | ≥50 | |||
| Performance description | Delivery state: TMCP | |||
| >16-25mm | ReH(MPa) | ≥355 | ReH/Rm≤0.9 | |
| Rm(MPa) | 470～630 | |||
| A(%) | ≥22 | Horizontal | ||
| Impact temperature(℃) | -40 | |||
| Akv(J) | ≥50 | |||
| Performance description | Delivery state：TMCP | |||
| >25-40mm | ReH(MPa) | ≥345 | ReH/Rm≤0.9 | |
| Rm(MPa) | 470～630 | |||
| A(%) | ≥22 | Horizontal | ||
| Impact temperature(℃) | -40 | |||
| Akv(J) | ≥50 | |||
| Performance description | Delivery state：TMCP | |||
| >40-63mm | ReH(MPa) | ≥335 | ReH/Rm≤0.9 | |
| Rm(MPa) | 470～630 | |||
| A(%) | ≥22 | Horizontal | ||
| Impact temperature(℃) | -40 | |||
| Akv(J) | ≥50 | |||
| Performance description | Delivery state：TMCP | |||
| >63-100mm | ReH(MPa) | ≥325 | ReH/Rm≤0.9 | |
| Rm(MPa) | 470～630 | |||
| A(%) | ≥22 | Horizontal | ||
| Impact temperature(℃) | -40 | |||
| Akv(J) | ≥50 | |||
| Performance description | Delivery state：TMCP | |||
S355G9+M high tensile steel plate size introduction
S355G9+M steel plate steel plate steel plate; 10*2000-2400*8000-13000
S355G9+M steel plate steel plate steel plate; 12*2000-2500*9000-10000
S355G9+M steel plate steel plate; 15*2000-2400*8000-9000
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S355G9+M steel plate steel plate; 25*2000-2300*8500-11000
S355G9+M steel plate steel plate; 30*2000-2400*8500-10000
S355G9+M steel plate steel plate steel plate; 40*2000-2500*8000-14000
S355G9+M steel plate steel plate; 45*2000-2500*8000-10000
S355G9+M steel plate steel plate; 50*2000-2400*9000-10000
S355G9+M steel plate steel plate; 55*2000-3000*8500-10000
S355G9+M steel plate steel plate; 60*2000-2500*8500-12000
S355G9+M steel plate steel plate; 65*2000-2700*8500-13000
S355G9+M steel plate steel plate steel plate; 70*2000-2600*8500-11500
S355G9+M high strength steel sheet product image
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