EN 1.8946 (S355J2WP) Weathering Steel

Other Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength580MPa

Yield Strength355MPa

Brinell Hardness170HB

Maximum Service Temperature420°C

Weight Calculator

Chemical Composition

0 to 0.15%

0.25 to 1.4%

0 to 0.7%

0 to 1.1%

0 to 0.8%

0.050 to 0.16%

0 to 0.035%

0.2 to 0.6%

0 to 0.065%

0 to 0.12%

0 to 0.14%

0 to 0.030%

94.8 to 99.5%

Mechanical

A - Min. elongation Lo = 5,65 √ So (%)

A - Min. elongation Lo = 80 mm (%)

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

16 %

Fatigue Strength

260 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

Rm - Tensile strength (MPa)

510-680

Rm - Tensile strength (MPa)

470-630

Shear Modulus

73 GPa

Shear Strength

350 MPa

Tensile Strength: Ultimate (UTS)

580 MPa

Tensile Strength: Yield (Proof)

390 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

43 W/m-K

Thermal Diffusivity

12 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):

to 16

Nominal thickness (mm):

16 - 40

Nominal thickness (mm):

1.5 - 2

Nominal thickness (mm):

2 - 2.5

Nominal thickness (mm):

2.5 - 3

Nominal thickness (mm):

3 - 40

Calculated

Resilience: Ultimate (Unit Rupture Work)

82 MJ/m 3

Resilience: Unit (Modulus of Resilience)

410 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

20 points

Environmental

Base Metal Price

2.7 % relative

Embodied Carbon

1.7 kg CO 2 /kg material

Embodied Energy

23 MJ/kg

Embodied Energy

23 MJ/kg 9.8 x 10 3 BTU/lb

Embodied Water

51 L/kg

Embodied Water

51 L/kg 6.1 gal/lb

Registered Designations & Aliases

1.89461.8946EN 1.8946 (S355J2WP) Weathering SteelS355J2WPS355J2WP

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 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005 Steels: Processing, Structure, and Performance, 2nd ed., George Krauss, 2015