Material overview
S355J0WP is a distinct grade within the EN weathering-steel range. The WP designation must not be dropped or treated as a cosmetic surface finish. Confirm the grade, form and condition before discussing appearance.
Specification checkpoints
| Item | What to specify |
|---|---|
| Grade | S355J0WP; distinguish from S355J0W |
| Reference | EN 10025-5, agreed edition |
| Appearance | Specify mill finish or an approved sample process |
| Panel requirements | Define tolerances, orientation and forming needs |
Prepare the order details
Identify the required dimensions in millimeters, quantity in pieces and any tolerances beyond the agreed product standard. For shaped parts, include the drawing revision, cutting allowance and visible-face requirements.
- Thickness × width × length, with quantities for every size
- Mill finish, natural weathering or a separately agreed treatment
- Delivered condition, identification and inspection records
- Site exposure, intended application and drainage considerations
- Destination, delivery basis, packing and requested schedule
Processing methods, achievable sizes, sample approval and lead time are reviewed against the actual requirement. No fixed stock or capacity is implied by this page.
Application references
- Façade panel blanks
- Architectural metalwork
- Specified outdoor panels
The final material decision belongs to the project specification. A grade or finish alone does not establish suitability for a particular structure or exposure.
Read the original standard or producer overview ↗
Informational overview. The agreed grade, standard edition, condition and order-specific documents govern supply. Grade references do not establish stock availability or automatic equivalence.