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The difference between S235J0 and S235J0W

The difference between S235J0 and S235J0W

The difference between S235J0 and S235J0W is that S235J0 is a carbon structural steel and the standard is EN 10025-2. S235J0W is weathering structural steel, the standard is EN 10025-5.
 

The difference in chemical composition

EN 10025-2 S235J0 steel plate chemical composition
Grade Chemical Composition
S235J0     The Element Max (%)
C Si Mn P S N Cu
≤16 >16≤40 >40
0.19 0.19 0.19 - 1.50 0.040 0.040 0.014 0.60
EN 10025-5 S235J0W steel chemical composition (%)
Grade Number C max. Si max. Mn P S max. N max. Cr Cu
S235J0W 1.8958 0.13 0.40 0.20 - 0.60 max. 0.035 0.035 0.009 0.40 - 0.80 0.25-0.55
 

The difference in mechanical properties

EN 10025-2 S235J0 steel plate mechanical properties
Grade Mechanical Property
S235J0 Yield Strength
mm
Min Mpa
Tensile Strength
mm
Min Mpa
≤16 >16

40
>40

63
>63

80
>80

100
>100

150
>150

200
>200

250
>250

400
<3
3

100
>100

150
>150

250
>250

400
235 225 215 215 215 195 185 175 - 360-510 360-510 350-500 340-490 -
EN 10025-5 S235J0W steel plate mechanical properties
EN 10025-5 Min. Yield Strength Reh MPa Tensile Strength Rm MPa
Nominal Thickness (mm) Nominal Thickness (mm)
≤16 >16 ≤40 >40 ≤63 >63 ≤80 >80 ≤100 >100 ≤150 <3 >3 ≤100 >100 ≤150
S235J0W 235 225 215 215 215 195 360-510 360-510 350-500
 

The difference in application

S235J0 European standard carbon structural steel, 0°C impact, S235J0 is used to manufacture welding, bolting and riveting structures. S235J0W is a weather-resistant structural steel improved on the basis of S235J0. S235J0W is used for welding, bolting and riveting parts. This steel grade enhances the ability to resist atmoSPHEric corrosion at ambient temperature. It is added in order to achieve corrosion resistance. Certain specific alloying elements, such as P, Cu, Cr, Ni, Mo, etc., form a protective oxide layer on the metal surface under various climatic conditions.

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