S355G7+M/+N
S355G7 is a structural grade steel supplied to the offshore industry. The material can be delivered as normalised (N) or thermo-mechanically rolled (M). Supplied in accordance with EN10225:2001, the steel offers good tensile and yield strength.
As an offshore steel grade, S355G7 is used in a variety of applications including the building of offshore platforms. Masteel UK Limited can supply the steel from stock or directly from the mill to customer destinations on a global footing. Please refer to the technical information for S355G7.
Chemical Composition of S355G7
| % | |
|---|---|
| C | 0.14 |
| Si | 0.15/0.55 |
| Mn | 1.00/1.65 |
| P | 0.02 |
| S | 0.01 |
| Cr | 0.25 |
| Mo | 0.08 |
| Ni | 0.5 |
| Al | 0.015/0.055 |
| Cu | 0.3 |
| N | 0.01 |
| Nb | 0.04 |
| Ti | 0.025 |
| V | 0.06 |
| Nb+V | 0.06 |
Mechanical Properties of S355G7
| Grade | Mechanical Properties (min) unless sated | Tensile Strength Rm MPa | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength | Nominal Thickness (mm) | ||||||||
| Thickness (mm) | Elongation A | ||||||||
| < 100 | >100 | <16 | >16 <25 | >25 <40 | >40 <63 | >63 <100 | >100 <150 | % | |
| S355G7+M | 470/630 | - | 355 | 355 | 345 | 335 | 325 | - | 22 |
| S355G7+N | 470/630 | 460/620 | 355 | 355 | 345 | 335 | 325 | 320 | 22 |