Unalloyed structural steel suitable for cold forming.
Standard
EN 10025-2
Identification Number
1.0577
Classification
–
Type
Unalloyed Steel
Rolling State
Normalised
Brief Description
Unalloyed structural steel suitable for cold forming.
Applications
Loading cargo, dump trucks, trailers, cranes, excavators, forestry and other machinery, railroad cars, motorway bridges, pipes, pumps, ventilation systems, building structures, offshore structures, transmission towers, naval sector.
Standard Coil Stock Range
| S355J2+N black | 1250 | 1500 | 2000 |
|---|---|---|---|
| 2 | ● | ● | |
| 2,5 | ● | ||
| 3 | ● | ● | ● |
| 4 | ● | ● | ● |
| 5 | ● | ● | ● |
| 6 | ● | ● | ● |
| 7 | ● | ● | |
| 8 | ● | ● | |
| 10 | ● | ● | |
| 12 | ● | ● | |
| 14 | ● | ||
| 15 | ● | ● | |
| 16 | ● | ||
| 18 | ● | ||
| 20 | ● | ● | |
| 25 | ● | ● |
| S355J2+N dec. | 1500 |
|---|---|
| 2 | ● |
| 3 | ● |
| 4 | ● |
| 5 | ● |
| 6 | ● |
| 6 | ● |
| 8 | ● |
Chemical Composition
Regulatory standard
| Element | Value |
| C (%) | ≤ 0,20 |
| Si (%) | ≤ 0,55 |
| Mn (%) | ≤ 1,60 |
| P (%) | ≤ 0,025 |
| S (%) | ≤ 0,025 |
| AI (%) | ≥ 0,020 |
| Nb (%) | |
| Ti (%) | |
| V (%) | |
| Mo (%) | |
| Cu (%) | ≤ 0,55 |
| Element | Value |
| Cr (%) | |
| Ni (%) | |
| N (%) | |
| B (%) | |
| Nb+Ti+V (%) | |
| Cr+Mo+Ni (%) | |
| Ni+Cr+Cu+Mo (%) | |
| C.E.V. (%) | ≤ 0,45* |
* = for thicknesses in mm ≤ 30
C.E.V. (%) = C+(Mn/6)+[(Cr+Mo+V)/5]+[(Ni+Cu)/15]
Mechanical Properties
According to UNI EN 10025
| Mechanical characteristics | Direction | Thicknesses | Values |
| Re (MPa) | T | ≤ 16 | ≥ 355 |
| > 16 ≤ 40 | ≥ 345 | ||
| Rm(MPa) | T | < 3 | 510-680 |
| > 16 ≤ 100 | 470-630 | ||
| A80 (%) | T | ≤ 1 | 12 |
| > 1 ≤ 1,5 | 13 | ||
| > 1,5 ≤ 2 | 14 | ||
| > 2 ≤ 2,5 | 15 | ||
| > 2,5 < 3 | 16 | ||
| L | ≤ 1 | 14 | |
| > 1 ≤ 1,5 | 15 | ||
| > 1,5 ≤ 2 | 16 | ||
| > 2 ≤ 2,5 | 17 | ||
| > 2,5 < 3 | 18 | ||
| A5 (%) | T | ≥ 3 ≤ 40 | 20 |
| L | ≥ 3 ≤ 40 | 22 | |
| Bend Test 180° | |||
| KV 20°C (J) | |||
| KV 0°C (J) | |||
| KV -20°C (J) | L | ≤ 150 | ≥ 27 |
| KV -40°C (J) | |||
| KV -50°C (J) |
* = Standard option
t = thickness in mm of the test piece for the bend test
L = Tensile testing carried out on longitudinal test pieces
T = Bend tests carried out on cross-cut test pieces
Tolerances
Tolerances on the dimensions and on the shape UNI EN 10051
Surface condition UNI EN 10163-2
Certifications
EN10204-3.1 CE / Declaration of Performance
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