S355 carbon steel plate
steel Product Introduction
Chemical Composition(max %) of S355JR
| Grade | Max C content for t in mm | Mn max | Si max | P max | S max | Cu max | N max | ||
| t ≤ 16 | >16 t ≤ | t >40 | |||||||
| S275JR | 0.21 | 0.21 | 0.22 | 1.5 | - | 0.035 | 0.035 | 0.55 | 0.012 |
| S355JR | 0.24 | 0.24 | 0.24 | 1.6 | 0.55 | 0.035 | 0.035 | 0.55 | 0.012 |
| S355JO | 0.20 | 0.20 | 0.22 | 1.6 | 0.55 | 0.035 | 0.035 | 0.55 | 0.012 |
Mechanical Properties of S355JR
| Grade | Yield (MPa)min | Tensile (MPa)min | Charpy V - notch longitudinal | |
| Strength at t = 16mm | Temp ( °C) | Energy (J) t =16mm | ||
| S275JR | 275 | 410/560 | 20 | 27 |
| S355JR | 355 | 470/630 | 20 | 27 |
| S355JO | 355 | 470/630 | 0 | 27 |
| Grade | Thickness (mm) | Min Yield (Mpa) | Tensile (Mpa) | Elongation (%) | Min Impact Energy | |
| S355JR | 8mm-100mm | 315Mpa-355Mpa | 450-630Mpa | 18-20% | 20 | 27J |
| 101mm-200mm | 285-295Mpa | 450-600Mpa | 18% | 20 | 27J | |
| 201mm-400mm | 275Mpa | - | 17% | 20 | 27J | |
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