EN 10025-2 S355JR Grade Low Alloy High Strength Steel Plate
S355JR high strength steel plate is a low alloy high strength structural steel that meets the European standard EN10025. It plays an important role in many fields with its high strength, good toughness, welding performance and corrosion resistance.
S355JR high strength steel sheet has high tensile strength and yield ratio, and can withstand various complex loads and stresses to ensure the safety and stability of the structure.
S355JR low alloy steel plate is easy to carry out various welding processes, such as manual arc welding, submerged arc welding, gas shielded welding, etc., which can provide more design flexibility.
Chemical composition % of steel S355JR (1.0045): EN 10025-2-2004
| C | Si | Mn | P | S | N | Cu | CEV |
| max 0.24 | max 0.55 | max 1.6 | max 0.04 | max 0.04 | max 0.012 | max 0.55 | max 0.47 |
Mechanical properties of steel S355JR (1.0045)
| Nominal thickness (mm): | to 3 | 3 - 100 | 100 - 150 | 150 - 250 |
| Rm - Tensile strength (MPa) Flat and long products | 510-680 | 470-630 | 450-600 | 450-600 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 100 | 100 - 150 | 150 - 200 | 200 - 250 |
| ReH - Minimum yield strength (MPa) Flat and long products | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 |
| KV - Impact energy (J) longitud., | -20° 27 |
0° 27 |
+20° 27 |
| Nominal thickness (mm): | to 1 | 1 - 1.5 | 1.5 - 2 | 2 - 2.5 | 2.5 - 3 |
| A - Min. elongation Lo = 80 mm (%) parallel, | 14 | 15 | 16 | 17 | 18 |
| Nominal thickness (mm): | 3 - 40 | 40 - 63 | 63 - 100 | 100 - 150 | 150 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) parallel, | 22 | 21 | 20 | 18 | 17 |
| 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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