S355J2H
S355J2H is a higher-strength structural steel for hot-finished hollow sections and structural tubes – with guaranteed toughness down to −20 °C.
Application & properties
S355J2H is a higher-strength structural steel for hot-finished hollow sections and structural tubes – with guaranteed toughness down to −20 °C.
- Load-bearing structural tubes and hollow sections
- Pipe bridges, scaffolding, steelwork
- Machine and plant engineering
Chemical composition
Typical values in wt.-% per EN standard (heat analysis).
| Element | Content (%) |
|---|---|
| C | ≤ 0.22 |
| Si | ≤ 0.55 |
| Mn | ≤ 1.60 |
| P | ≤ 0.030 |
| S | ≤ 0.030 |
| N | ≤ 0.012 |
Mechanical properties
Typical values at room temperature per EN standard.
| Property | Value |
|---|---|
| Yield strength ReH (t ≤ 16 mm) | ≥ 355 MPa |
| Tensile strength Rm | 470–630 MPa |
| Elongation A | ≥ 22 % |
| Impact energy KV (−20 °C) | ≥ 27 J |
Standards, equivalents & product forms
| Topic | Detail |
|---|---|
| Standards | EN 10210-1 / EN 10219-1 (hollow sections), EN 10025-2 |
| ASME/ASTM equivalent | ~ ASTM A500 / A572 |
| Material no. | 1.0576 |
| Short name / aka | Hohlprofil · S355 · höherfest |
We supply S355J2H as pipes, flanges and fittings – seamless or welded, on request with an EN 10204 3.1 / 3.2 mill certificate.
Frequently asked questions about S355J2H
What does J2 mean in S355J2H?
J2 means a guaranteed impact energy of 27 J at −20 °C – higher toughness than JR (+20 °C).
What does the H mean in S355J2H?
H denotes hollow sections to EN 10210/10219.
Request S355J2H?
Grade, standard, size, pressure rating and quantity are enough – on request with an EN 10204 3.1 / 3.2 mill certificate. Your quote usually the same day.
All data are typical values per the relevant EN standards for first orientation – without warranty. The applicable standard and the mill certificate of the delivery are decisive.