EN 10025 S355JR carbon steel plate is a structural steel that meets European standards, with a yield strength of 355MPa and good welding performance.
S355JR material has undergone a 27J impact test (+20℃) and is suitable for load-bearing structures such as buildings and machinery.

The S355JR carbon steel plate supplied in stock adopts hot rolling technology, with excellent surface quality and high dimensional accuracy. Its excellent mechanical properties make it a widely used structural steel in the industrial field.
EN structural steel S355JR is non-alloy high strength structural steel that is most commonly used after S235JR. With minimum yield strength of 50 ksi,
EN structural steel S355JR meets requirements in chemistry and physical properties similar to ASTM material A572 Grade 50. That is to say, EN structural steel S355JR equivalent ASTM material is A572 Grade 50.
EN structural steel S355JR equivalent ASTM material A572 Grade 50 chemical composition:
| Grade | C (t≤16mm) | Si | Mn | P | S |
| S355JR | 0.27 max | 0.60 max | 1.70 max | 0.045 max | 0.045 max |
| A572 Grade 50 | 0.23 max | 0.40 max | 1.35 max | 0.040 max | 0.050 max |
EN structural steel S355JR equivalent ASTM material A572 Grade 50 mechanical properties:
| Grade | Yield strength ReH/(N/mm2) (t≤16mm) min | Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) | Elongation A/% (3mm≤t≤40mm) min | Charpy V test | |
| Temperature/℃ | Impact energy (Longitudinal)/J min | ||||
| S355JR | 355 | 470-630 | 22 | 20 | 27 |
| A572 Grade 50 | 345 | 450 | 18 | - | - |
EN structural steel S355JR is usually in form of S355JR steel plate. The stated thickness for S355JR steel plate as retrieved by online statistics in the market starts from 3mm to 400mm.
However the mill edge width S355JR steel coil varies from 1250 mm to 1500 mm. S355JR stee sheets can be cut into different length. As it is provided in various other forms as well, EN structural steel S355JR dimensions should be verified from suppliers before purchase.




















