Weathering plate in the S235 family
S235J2W is a structural steel designation within EN 10025-5. It identifies a weathering grade with J2 impact-quality requirements. The complete designation belongs on the material schedule, alongside the product form and required delivery condition.
This inquiry option extends the range beyond S355 grades. Select it against the engineering specification, then define the plate dimensions, tolerances and fabrication details needed for quotation. The surface color does not identify the strength family or demonstrate compliance.
Specification checkpoints
| Item | What to specify |
|---|---|
| Grade and standard | S235J2W to EN 10025-5; confirm the governing edition. |
| Delivery condition | State the required condition and any additional project requirements. |
| Dimensions | Thickness × width × length, quantities and applicable dimensional tolerances. |
| Impact and mechanical tests | Retain J2 quality; agree applicable thickness, test scope and acceptance requirements. |
| Surface and processing | Mill surface, weathered appearance or separately agreed treatment; include cutting drawings if needed. |
| Inspection documentation | Specify required test reports, identification and inspection document requirements in the inquiry. |
Prepare a complete S235J2W inquiry
A complete size list makes it easier to review material and processing together. Include the intended use and the drawing revision for cut parts.
- Full S235J2W designation, standard edition and delivery condition
- Dimensions in millimeters and quantity for each plate or blank
- Edge, flatness and cutting tolerances required by the drawing
- Fabrication process and any proposed bending or welding
- Inspection documentation and identification to be retained after cutting
Send your destination, delivery basis and requested schedule with the size list. Processing scope, available sizes, inspection documents and lead time are confirmed against the enquiry before an order is agreed.
Where to discuss S235J2W plate
- Exposed fabricated steelwork designed for the S235 strength family
- Plate components and brackets with a specified weathering-steel requirement
- Architectural support and landscape fabrication covered by approved drawings
These are inquiry contexts, not blanket design approvals. Suitability depends on the loads, joints and site exposure. Allow drainage and drying, and review persistent moisture or chloride exposure with the designer.
Frequently asked questions
Is S235J2W the same as ordinary S235 plate?
No. The complete J2W designation adds material requirements that should remain explicit. An ordinary S235 description is not enough to confirm a match.
Can I order cut-to-size blanks?
Send the grade, thickness, finished dimensions, quantity and drawing tolerances. Achievable sizes and processing scope are reviewed with the quotation.
Does the brown surface prove the grade?
No. Grade identification relies on the agreed specification and traceable documentation. The image is an illustration of the product form.
Compare weathering-steel references ↗
Material certificate checklist ↗
Understand the weathering surface ↗
The project specification, agreed standard edition, delivery condition and order-specific inspection requirements govern supply. A surface color or similar grade name does not establish equivalence.


