EN 1.8958 (S235J0W) Weathering Steel

Other Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.9g/cm³

Elastic Modulus190GPa

Tensile Strength430MPa

Yield Strength235MPa

Brinell Hardness130HB

Maximum Service Temperature410°C

Weight Calculator

Chemical Composition

0 to 0.16%

0.35 to 0.85%

0 to 0.7%

0.15 to 0.7%

0 to 0.45%

0 to 0.010%

0 to 0.040%

0.2 to 0.6%

96.5 to 99.3%

Mechanical

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

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

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

19 %

Fatigue Strength

150 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)

235

ReH - Minimum yield strength (MPa)

225

ReH - Minimum yield strength (MPa)

215

ReH - Minimum yield strength (MPa)

195

Rm - Tensile strength (MPa)

360-510

Rm - Tensile strength (MPa)

350-500

Shear Modulus

73 GPa

Shear Strength

270 MPa

Tensile Strength: Ultimate (UTS)

430 MPa

Tensile Strength: Yield (Proof)

220 MPa

Hardness

Brinell Hardness

130

Physical

Density

7.9 g/cm 3

Thermal

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

410 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

46 W/m-K

Thermal Diffusivity

12 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

13 points

Electrical

Electrical Conductivity: Equal Volume

7.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.4 % 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)

70 MJ/m 3

Resilience: Unit (Modulus of Resilience)

130 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

15 points

Strength to Weight: Bending

16 points

Environmental

Base Metal Price

2.4 % relative

Embodied Carbon

1.5 kg CO 2 /kg material

Embodied Energy

19 MJ/kg

Embodied Energy

19 MJ/kg 8.2 x 10 3 BTU/lb

Embodied Water

50 L/kg

Embodied Water

50 L/kg 5.9 gal/lb

Registered Designations & Aliases

1.89581.8958EN 1.8958 (S235J0W) Weathering SteelS235J0WS235J0W

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 Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005 Steels: Processing, Structure, and Performance, 2nd ed., George Krauss, 2015