Unalloyed structural steel, ideal for cold forming (suitable for edging and roll forming).
Technical Characteristics:
Standard
EN 10025-2
Identification Number
1.0579
Classification
–
Type
Unalloyed Steel
Rolling State
Normalised
Brief Description
Unalloyed structural steel, ideal for cold forming (suitable for edging and roll 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
S355J2C+N
1250
1500
2000
2
●
●
2,5
●
3
●
●
●
4
●
●
●
5
●
●
●
6
●
●
●
7
●
●
8
●
●
10
●
●
12
●
●
14
●
15
●
●
16
●
18
●
20
●
●
25
●
●
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
Caratteristiche Tecnologiche
Direction
Thicknesses
Values
T
> 1 ≤ 1,5
2,5
> 1,5 ≤ 2,5
4
> 2,5 ≤ 3
5
> 3 ≤ 4
6
> 4 ≤ 5
8
> 5 ≤ 6
10
> 6 ≤ 7
12
> 7 ≤ 8
16
> 8 ≤ 10
20
> 10 ≤ 12
25
> 12 ≤ 14
32
> 14 ≤ 16
36
> 16 ≤ 18
45
> 18 ≤ 20
50
> 20 ≤ 25
65
Direction
Thicknesses
Values
L
> 1 ≤ 1,5
2,5
> 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
> 10 ≤ 12
32
> 12 ≤ 14
36
> 14 ≤ 16
40
> 16 ≤ 18
50
> 18 ≤ 20
63
> 20 ≤ 25
75
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
DISCLAIMER: SIDASTICO S.p.A. declines any and all liability for the accuracy and precision of the information herein and reserves the right to modify any part without advanced notice.