S355K2C+N

Unalloyed structural steel suitable for cold forming.

Technical Characteristics:

Standard

EN 10025-2

Identification Number

1.0594

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

S355K2C+N 1500 2000
3
4
5
6
8
10
12
15
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 ≥ 40*
 KV -40°C (J)
 KV -50°C (J)

* = Corresponds to 27 J at -30°C
t = thickness in mm of the test tube 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.

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