Structural steel with improved resistance to atmospheric corrosion.
Corrosion resistant steels slow down the deterioration of chimneys and flues.
Standard
EN10025-5
Identification Number
1.8965
Classification
–
Type
Unalloyed Steel
Rolling State
Normalised
Brief Description
Structural steel with improved resistance to atmospheric corrosion.
Corrosion resistant steels slow down the deterioration of chimneys and flues.
Applications
Architectural and decor elements, bridges, chimneys, guard rails, water ducts, and containers.
Standard Coil Stock Range
| S355J2W+N | 1000 | 1250 |
|---|---|---|
| 3 | ● | |
| 4 | ● | ● |
| 5 | ● | ● |
| 6 | ● | ● |
| 8 | ● | |
| 10 | ● |
Chemical Composition
Regulatory standard
| Element | Value |
| C (%) | ≤ 0,16 |
| Si (%) | ≤ 0,50 |
| Mn (%) | 0,50-1,50 |
| P (%) | ≤ 0,30 |
| S (%) | ≤ 0,030 |
| AI (%) | |
| Nb (%) | |
| Ti (%) | |
| V (%) | |
| Mo (%) | |
| Cu (%) | 0,25-0,55 |
| Element | Value |
| Cr (%) | 0,40-0,80 |
| Ni (%) | |
| N (%) | |
| B (%) | |
| Nb+Ti+V (%) | |
| Cr+Mo+Ni (%) | |
| Ni+Cr+Cu+Mo (%) | |
| C.E.V. (%) | ≤ 0,52 |
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 | > 1,5 ≤ 2 | 14 |
| > 2 ≤ 2,5 | 15 | ||
| > 2,5 < 3 | 16 | ||
| L | > 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 | ≥ 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
| Direction | Thicknesses | Values |
| T | > 1,5 ≤ 2,5 | 4 |
| > 2,5 ≤ 3 | 5 | |
| > 3 ≤ 4 | 6 | |
| > 4 ≤ 5 | 8 | |
| > 5 ≤ 6 | 10 | |
| > 5 ≤ 6 | 10 | |
| > 6 ≤ 7 | 12 | |
| > 7 ≤ 8 | 16 | |
| > 8 ≤ 10 | 20 | |
| > 10 ≤ 12 | 25 | |
| > 12 ≤ 14 | 32 | |
| > 14 ≤ 16 | 26 | |
| > 16 ≤ 18 | 45 | |
| > 18 ≤ 20 | 50 |
| Direction | Thicknesses | Values |
| L | > 1,5 ≤ 2,5 | 4 |
| > 2,5 ≤ 3 | 5 | |
| > 3 ≤ 4 | 8 | |
| > 4 ≤ 5 | 10 | |
| > 5 ≤ 6 | 12 | |
| > 6 ≤ 7 | 16 | |
| > 7 ≤ 8 | 20 | |
| > 8 ≤ 10 | 25 | |
| > 8 ≤ 10 | 25 | |
| > 10 ≤ 12 | 32 | |
| > 12 ≤ 14 | 36 | |
| > 14 ≤ 16 | 40 | |
| > 16 ≤ 18 | 50 | |
| > 18 ≤ 20 | 63 |
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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