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Differences between S235J0 steel and S235J0W steel

Differences between S235J0 steel and S235J0W steel

Posted:2020-10-14 09:25:49

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, EN 10025-2 S235J0 steel is used to manufacture welding, bolting and riveting structures. S235J0W grade is a weather-resistant structural steel improved on the basis of S235J0. S235J0W steel plate 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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