S355J2+N — Sheet, Plate, Coil & Pipe & Tube
Also sold as EN 10025-2 S355J2+N · W.Nr 1.0577 · High-strength structural steel
S355J2+N is a normalised high-strength structural steel, chosen for heavy structures, cranes and offshore frames. We supply it as sheet, plate, coil, pipe & tube, with EN 10204 3.1 certificates, from Mumbai to India, the Gulf, South-East Asia, South America, Europe, the UK and the USA.
- S355J2+N
- ρ 7.85 g/cm³
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
S355J2+N Specifications by Product (ASTM / ASME)
The material standard changes with the product form. This is the table buyers ask for most.
| Product | Material standard | Dimensions |
|---|---|---|
| S355J2+N sheet | EN 10025-2 | ASTM A480 / B906 |
| S355J2+N plate | EN 10025-2 | ASTM A480 / B906 / A20 |
| S355J2+N coil | EN 10025-2 | ASTM A480 |
| S355J2+N pipe & tube | EN 10210 hot-finished hollow sections (S355J2H) · EN 10219 cold-formed hollow sections (S355J2H) | ASME B36.19 / B36.10 |
S355J2+N Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.20 max (≤16 mm) |
| Manganese | 1.60 max |
| Silicon | 0.55 max |
| Phosphorus | 0.025 max |
| Sulphur | 0.025 max |
| Copper | 0.55 max |
S355J2+N Mechanical Properties
| Normalised (+N) | Value |
|---|---|
| Yield strength | 355 MPa (≤16 mm) |
| Tensile strength | 470 – 630 MPa |
| Elongation | 22% |
| Charpy impact | 27 J at −20 °C |
Density & Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting range | 1420 – 1530 °C |
| Magnetic | Magnetic |
S355J2+N Equivalent Grades
Values per EN 10025-2 for S355J2. Confirm against the edition on your purchase order.
Welding S355J2+N
| Matching filler | E7018 / ER70S-6 |
|---|---|
| Also used | Preheat thick sections |
S355J2+N — questions buyers ask
What is S355J2+N?
S355J2+N is a normalised high-strength structural steel. It is chosen for heavy structures, cranes and offshore frames.
Which standards cover S355J2+N products?
Sheet: EN 10025-2; Plate: EN 10025-2; Coil: EN 10025-2; Pipe & Tube: EN 10210 hot-finished hollow sections (S355J2H) · EN 10219 cold-formed hollow sections (S355J2H). Always name the standard and edition on your order.
What is the density of S355J2+N?
7.85 g/cm³ — use it to calculate weights: plate kg = L(m) × W(m) × t(mm) × 7.85.
Sources: the ASTM / ASME specifications named on this page and producer datasheets · Last updated October 2026