S235J2W Steel Description
S235J2W steel grade is a hot rolled products of structural steels in technical delivery conditions with improved atmospheric corrosion resistance.
its mean S235J2W grade could be used in structural steel projects, 235 is the min yield strength. J0 ,J2 and K2 standard for the impact degree and energy in 0 temperature. W means that the mainly different in their carbon and phosphorus contents and availability.
S235J2W Steel Delivery State
Hot Rolled, Cold Rolled, Normalized, Quenched, Tempering, Thermal Mechanical Control Process (TMCP), Electroslag Remelting Technical, HIC test.
S235J2W steel Application
Because of its low carbon content and fine-grained structure, S235J2W Steels with improved atmospheric corrosion resistance have excellent weldability.So S235J2W steel is mainly used for manufacturing welded,riveted or bolted structures.
Moreover, S235J2W steel with improved atmospheric corrosion resistance has a wide range of applications: architecture, smokestacks, fabrication,freight wagons, silos, pylons and bridges.
S235J2W steel chemical composition by [%]
| C % | Mn % | Cr % | Si % | CEV % | S % |
| Max 0.13 | 0.2-0.6 | 0.4-0.8 | Max 0.4 | Max 0.44 | Max 0.3 |
| Cu % | P % | ||||
| 0.25-0.55 | Max 0.035 |
Method of deoxidation FF = fully killed steel
For long products the P and S content can be 0.005% higher
The S235J2W steels may show a Ni content of max. 0,65 %
The S235J2W steels shall contain at least one of the following elements: Al total ≥ 0,020 %, Nb: 0,015 - 0,060 %, V: 0,02 - 0,12 %, Ti: 0,02 - 0,10 %. If these elements are used in combination, at least one of them shall be present with the minimum content indicated.
S235J2W steel Mechanical properties
| Grade | Min. Yield Strength Mpa | Tensile Strength MPa | Impact | ||||||||
| S235J2W | Nominal Thickness (mm) | Nominal Thickness (mm) | degree | J | |||||||
| Thick mm | ≤16 | >16 ≤40 |
>40 ≤63 |
>63 ≤80 |
>80 ≤100 |
>100 ≤150 |
≤3 | >3 ≤100 | >100 ≤150 | -20 | 27 |
| S235J2W | 235 | 225 | 215 | 215 | 215 | 195 | 360-510 | 360-510 | 350-500 | ||
The tensile test values given in the table apply to longitudinal samples; in case of strip and sheet steel of widths of ≥600 mm they apply to transverse samples.
If S235J2W mechanical properties have been significantly modified by heavy coldforming, either stress relief annealing or normalised may be applied. Normalised should also be applied following hotforming outside of the temperature range of 750 - 1.050 °C and after overheating.
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