S355 European Standard Steel
S355 EN 10025 : 2004 Standard Structural Steel Plate
S355 structural steel plate is a high-strength low-alloy European standard structural steel covering four of the six "Parts" within the EN 10025 – 2004 standard. With minimum yield of 50,000
KSI, it meets requirements in chemistry and physical properties similar to ASTM
A572 / 709. Careful attention should always be placed on the specific variation
of S355 required if considering substitute material.
S355 is used in almost every facet of structural fabrication. Typical applications include:
- Structural steelworks: bridge components, components for offshore structures
- Power plants
- Mining and earth-moving equipment
- Load-handling equipment
- Wind tower components
For more information, please contact a Leeco Steel representative.
| Part 2 - Non-Alloy Structural Steels | |
|---|---|
| S… | Structural Steel |
| E... | Engineering Steel |
| 355 | Minimum yield strength (Reh) in Mpa up to 16mm |
| …JR.. | Charpy V-notch (Longitudinal) 27 J @ +20 Celsius |
| …JO.. | Charpy V-notch (Longitudinal) 27 J @ 0 Celsius |
| …J2.. | Charpy V-notch (Longitudinal) 27 J @ -20 Celsius |
| …K2.. | Charpy V-notch (Longitudinal) 40 J @ +20 Celsius |
| …+AR | Supply condition "As Rolled" |
| ...+N | Supply condition "Normalized or Normalized Rolled" |
| Additional Options | |
| …Z.. | Grade with improved properties perpendicular to the surface |
| Part 3 - Normalised / Normalised Rolled Weldable Fine Grain Structural Steel | |
| S… | Structural Steel |
| 355 | Minimum yield strength (Reh) in Mpa up to 16mm |
| ...N.. | Longitudinal Charpy V-notch impacts at a temperature not lower than minus 20 Celsius |
| ...NL.. | Longitudinal Charpy V-notch impacts at a temperature not lower than minus 50 Celsius |
| Additional Options | |
| …Z.. | Grade with improved properties perpendicular to the surface |
| Part 4 - Thermomechanically Rolled Weldable Fine Grain Structural Steels | |
| S… | Structural Steel |
| 355 | Minimum yield strength (Reh) in Mpa up to 16mm |
| ...M.. | Longitudinal Charpy V-notch impacts at a temperature not lower than minus 20 Celsius |
| ...ML.. | Longitudinal Charpy V-notch impacts at a temperature not lower than minus 50 Celsius |
| Additional Options | |
| …Z.. | Grade with improved properties perpendicular to the surface |
| Part 4 - Thermomechanically Rolled Weldable Fine Grain Structural Steels | |
| S… | Structural Steel |
| 355 | Minimum yield strength (Reh) in Mpa up to 16mm |
| …JO.. | Charpy V-notch (Longitudinal) 27 J @ 0 Celsius |
| …J2.. | Charpy V-notch (Longitudinal) 27 J @ -20 Celsius |
| …K2.. | Charpy V-notch (Longitudinal) 40 J @ +20 Celsius |
| ...W.. | Improved Atmospheric Corrosion Resistance |
| ...P.. | Greater phosphorus content (grade S355 only) |
| ...+AR | Supply condition "As Rolled" |
| ...+N | Supply condition "Normalized or Normalized Rolled" |
| Additional Options | |
| …Z.. | Grade with improved properties perpendicular to the surface |
| Mechanical Properties | (1MPa = 145.03 PSI) |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade | Yield Strength (Mpa) in Nom. Thicknesses (mm) | ||||||||
| >3 - <16 | >16 - <40 | >40 - <63 | >63- <80 | >80 - <100 | >100 - <150 | >150 - <200 | >200 - <250 | >250 - <400 | |
| S355JR | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | - |
| S355JO | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | - |
| S355J2 | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | 265 min. |
| S355K2 | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | 265 min. |
| S355N | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | |
| S355NL | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | 285 min. | 275 min. | |
| S355M | 355 min. | 345 min. | 335 min. | 325 min. | 325 min. | 295 min. | |||
| S355ML | 355 min. | 345 min. | 335 min. | 325 min. | 325 min. | 295 min. | |||
| S355J0WP | 355 min. | 345 min. | - | - | - | - | |||
| S355J2WP | 355 min. | 345 min. | - | - | - | - | |||
| S355J0W | 355 min. | 345 min. | 335 min. | 325 min. | 315 min. | 295 min. | |||
| Grade | Tensile Strength (Mpa) in Nom. Thicknesses (mm) | ||||||||
| >3 - <16 | >16 - <40 | >40 - <63 | >63- <80 | >80 - <100 | >100 - <150 | >150 - <200 | >200 - <250 | >250 - <400 | |
| S355JR | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | - |
| S355JO | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | - |
| S355J2 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | 450 - 600 |
| S355K2 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | 450 - 600 |
| S355N | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | - |
| S355NL | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | 450 - 600 | 450 - 600 | - |
| S355M | 470 - 630 | 470 - 630 | 450 - 610 | 440 - 600 | 440 - 600 | 430 - 590 | - | - | - |
| S355ML | 470 - 630 | 470 - 630 | 450 - 610 | 440 - 600 | 325 440 - 600. | 430 - 590 | - | - | - |
| S355J0WP | 470 - 630 | 470 - 630 | - | - | - | - | - | - | - |
| S355J2WP | 470 - 630 | 470 - 630 | - | - | - | - | - | - | - |
| S355J0W | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 470 - 630 | 450 - 600 | - | - | - |
| Chemical Composition | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grade | Thickness (mm) | C | Mn | P | S | Si | Cr | Ni | Mo | V | Al | Cu | Ti | Nb | N |
| S355JR | <40 | .24 max | 1.60 max | .035 max | .035 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355JR | 41 - <150 | .24 max | 1.60 max | .035 max | .035 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355JR | 151 - <250 | .24 max | 1.60 max | .035 max | .035 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355JO | <40 | .20 max | 1.60 max | .030 max | .030 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355JO | 41 - <150 | .22 max | 1.60 max | .030 max | .030 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355JO | 151 - <250 | .22 max | 1.60 max | .030 max | .030 max | .55 max | - | - | - | - | - | .55 max | - | - | .012 max |
| S355J2 | <40 | .20 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355J2 | 41 - <150 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355J2 | 151 - <250 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355J2 | >250 - <400 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355K2 | <40 | .20 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355K2 | 41 - <150 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355K2 | 151 - <250 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355K2 | >250 - <400 | .22 max | 1.60 max | .025 max | .025 max | .55 max | - | - | - | - | - | .55 max | - | - | - |
| S355N | <250 | .20 max | .90 - 1.65 | .030 max | .025 max | .50 max | .030 max | .50 max | .10 max | .12 max | .02 min | .55 max | .05 max | .05 max | .015 max |
| S355NL | <250 | .18 max | .90 - 1.65 | .025 max | .020 max | .50 max | .030 max | .50 max | .10 max | .12 max | .02 min | .55 max | .05 max | .05 max | .015 max |
| S355M | <150 | .14 max | 1.60 max | .030 max | .025 max | .50 max | .030 max | .50 max | .10 max | .10 max | .02 min | .55 max | .05 max | .05 max | .015 max |
| S355ML | <150 | .14 max | 1.60 max | .025 max | .020 max | .50 max | .030 max | .50 max | .10 max | .10 max | .02 min | .55 max | .05 max | .05 max | .015 max |
| S355J0WP | <40 | .12 max | 1.0 max | .06 - .15 | .035 max | .75 max | - | - | - | - | .25 - .55 | - | - | .009 max | |
| S355J2WP | <40 | .12 max | 1.0 max | .06 - .15 | .030 max | .75 max | - | - | - | - | .25 - .55 | - | - | - | |
| S355J0W | <150 | .16 max | .50 - 1.50 | .035 max | .035 max | .50 max | - | - | - | - | .25 - .55 | - | - | .009 max | |
| Charpy V-Notch Testing | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Elongation in Nom. Thicknesses (mm) | |||||||||||||||
| Grade | >3 - <16 | >16 - <40 | >40 - <63 | >63 - <80 | >80 - <100 | >100 - <150 | >150 - <200 | >200 - <250 | >250 - <400 | Grain | @ Degrees | Min. Absorbed Energy | |||
| S355JR | 22 min (L) | 21 min (L) | 20 min (L) | 18 min (L) | 17 min (L) | - | - | +20 Celsius | >27 J | ||||||
| S355JO | 22 min (L) | 21 min (L) | 20 min (L) | 18 min (L) | 17 min (L) | - | - | 0 Celsius | 27 J | ||||||
| S355J2 | 22 min (L) | 21 min (L) | 20 min (L) | 18 min (L) | 17 min (L) | - | -20 Celsius | 27 J | |||||||
| S355K2 | 22 min (L) | 21 min (L) | 20 min (L) | 18 min (L) | 17 min (L) | - | -20 Celsius | 40 J | |||||||
| S355N | 22 min (Longitudinal) | 21 min (Longitudinal) | - | 6 min | -20 Celsius | 40 J | |||||||||
| S355NL | 22 min (Longitudinal) | 21 min (Longitudinal) | - | 6 min | -50 Celsius | 27 J | |||||||||
| S355M | 22 min (Longitudinal) | - | - | - | 6 min | -20 Celsius | 40 J | ||||||||
| S355ML | 22 min (Longitudinal) | - | - | - | 6 min | -50 Celsius | 27 J | ||||||||
| S355J0WP | 22 min (L) | - | - | - | - | - | - | - | - | 0 Celsius | 27 J | ||||
| S355J2WP | 22 min (L) | - | - | - | - | - | - | - | - | -20 Celsius | 27 J | ||||
| S355J0W | 20 min (Longitudinal) | 18 min (L) | - | - | - | - | 0 Celsius | 27 J | |||||||
