EN 1.8967 (S355K2W) Weathering Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength570MPa
Yield Strength355MPa
Brinell Hardness170HB
Maximum Service Temperature420°C
Chemical Composition
C
0 to 0.19%
CR
0.35 to 0.85%
NI
0 to 0.7%
MO
0 to 0.35%
MN
0.45 to 1.6%
SI
0 to 0.55%
P
0 to 0.035%
S
0 to 0.035%
CU
0.2 to 0.6%
NB
0 to 0.065%
TI
0 to 0.12%
V
0 to 0.14%
AL
0 to 0.030%
ZR
0 to 0.17%
FE
94.6 to 99%
Mechanical
A - Min. elongation Lo = 5,65 √ So (%)
22
A - Min. elongation Lo = 5,65 √ So (%)
21
A - Min. elongation Lo = 5,65 √ So (%)
20
A - Min. elongation Lo = 5,65 √ So (%)
18
A - Min. elongation Lo = 80 mm (%)
16
A - Min. elongation Lo = 80 mm (%)
17
A - Min. elongation Lo = 80 mm (%)
18
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
16 %
Fatigue Strength
220 MPa
Impact Strength: V-Notched Charpy
30 J
KV - Impact energy (J) longitud.,
-20° 27
KV - Impact energy (J) longitud.,
0° 27
Poisson's Ratio
0.29
ReH - Minimum yield strength (MPa)
355
ReH - Minimum yield strength (MPa)
345
ReH - Minimum yield strength (MPa)
335
ReH - Minimum yield strength (MPa)
325
ReH - Minimum yield strength (MPa)
315
ReH - Minimum yield strength (MPa)
295
Rm - Tensile strength (MPa)
510-680
Rm - Tensile strength (MPa)
470-630
Rm - Tensile strength (MPa)
450-600
Shear Modulus
73 GPa
Shear Strength
350 MPa
Tensile Strength: Ultimate (UTS)
570 MPa
Tensile Strength: Yield (Proof)
340 MPa
Hardness
Brinell Hardness
170
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
420 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
39 W/m-K
Thermal Diffusivity
10 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Other
Nominal thickness (mm):
to 3
Nominal thickness (mm):
3 - 100
Nominal thickness (mm):
100 - 150
Nominal thickness (mm):
to 16
Nominal thickness (mm):
16 - 40
Nominal thickness (mm):
40 - 63
Nominal thickness (mm):
63 - 80
Nominal thickness (mm):
80 - 100
Nominal thickness (mm):
1.5 - 2
Nominal thickness (mm):
2 - 2.5
Nominal thickness (mm):
2.5 - 3
Nominal thickness (mm):
3 - 40
Nominal thickness (mm):
63 - 100
Calculated
Resilience: Ultimate (Unit Rupture Work)
78 MJ/m 3
Resilience: Unit (Modulus of Resilience)
300 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
3.0 % relative
Embodied Carbon
1.8 kg CO 2 /kg material
Embodied Energy
25 MJ/kg
Embodied Energy
25 MJ/kg 11 x 10 3 BTU/lb
Embodied Water
52 L/kg
Embodied Water
52 L/kg 6.2 gal/lb
Registered Designations & Aliases
1.89671.8967EN 1.8967 (S355K2W) Weathering SteelS355K2WS355K2W
Standards
EN 10025-5 EN 10025-5: 2004 Hot rolled products of structual steels. Technical delivery conditions for structural steels with improved atmospheric corrosion resistance
EN 10025-5 EN 10025-5: Hot rolled products of structural steels - Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance
EN 10025-5 EN 10025-5: Hot rolled products of structural steels - Part 5: Technical delivery conditions for structural steels with improved atmospheric corrosion resistance Real Material Properties of Weathering Steels Used in Bridge Structures, Vit Krivy and Petr Konecny, 2013