Products Description
As the S355J0W weathering steel plate stock material rusts when exposed to atmospheric elements, the material builds its own protective layer, which prevents the steel from further oxidation.

Therefore S S355J0W weathering steel plate, like all weathering steels, offers excellent, cost-effective protection against atmospheric conditions without the need for painting or external treatment.
Products specification
| Grade : | S355J0W | |
| Number: | 1.8959 | |
| Classification: | Alloy special steel | |
| Standard: |
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Chemical composition % of steel S355J0W (1.8959): EN 10025-5-2004
| Method of deoxidation FN = rimming steels not permitted For long products the P and S content can be 0.005% higher The steels may show a Ni content of max. 0,65 % It is permissible to exceed the specified values provided that for each increase of 0,001 % N the P max. content will be reduced by 0,005 %; the N content of the ladle analysis, however, shall not be more than 0,012 % The steels may contain max. 0,30 % Mo and max. 0,15 % Zr The max. value for nitrogen does not apply if the chemical composition shows a minimum total Al content of 0,020 % or if sufficient other N binding elements are present |
| C | Si | Mn | P | S | Cr | N | Cu | CEV |
| max 0.16 | max 0.5 | 0.5 - 1.5 | max 0.035 | max 0.035 | 0.4 - 0.8 | max 0.009 | 0.25 - 0.55 | max 0.52 |
Mechanical properties of steel S355J0W (1.8959)
| Nominal thickness (mm): | to 3 | 3 - 100 | 100 - 150 |
| Rm - Tensile strength (MPa) | 510-680 | 470-630 | 450-600 |
| Nominal thickness (mm): | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 100 | 100 - 150 |
| ReH - Minimum yield strength (MPa) | 355 | 345 | 335 | 325 | 315 | 295 |
| KV - Impact energy (J) longitud., | -20° 27 |
0° 27 |
| Nominal thickness (mm): | 1.5 - 2 | 2 - 2.5 | 2.5 - 3 |
| A - Min. elongation Lo = 80 mm (%) | 16 | 17 | 18 |
| Nominal thickness (mm): | 3 - 40 | 40 - 63 | 63 - 100 | 100 - 150 |
| A - Min. elongation Lo = 5,65 √ So (%) | 22 | 21 | 20 | 18 |
Equivalent grades of steel S355J0W (1.8959)
Warning! Only for reference
| EU EN |
USA - |
Japan JIS |
France AFNOR |
England BS |
Canada HG |
European old EN |
Italy UNI |
Russia GOST |
Inter ISO |
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EN 10155 S355J0W Weather Resistant Steel Plate Application
EN 10155 S355J0W Weather Resistant Steel Plate is used in vehicles, bridges, towers, containers, And So On.


