Steel grade S355JR is used to manufacture hot-rolled flat and long products, which are subsequently used when producing steel building structures.
Chemical composition of ladle sample of steel S355JR in accordance with EN 10025-2, %
С | Si | Mn | P | S | N | Cu |
≤ 0,24 | ≤ 0.55 | ≤ 1.60 | ≤ 0.035 | ≤ 0.035 | ≤ 0.012 | ≤ 0.55 |
Mechanical properties of steel S355JR
Nominal thickness, mm
|
Minimum yield strength, MPa
|
Strength limit, MPa
|
<3 | 355 | 510-680 |
≥3 ≤ 16 | 355 | 470-630 |
> 16 ≤ 40 | 345 | 470-630 |
> 40 ≤ 63 | 335 | 470-630 |
> 63 ≤ 80 | 325 | 470-630 |
> 80 ≤ 100 | 315 | 470-630 |
> 100 ≤ 150 | 295 | 450-600 |
> 150 ≤ 200 | 285/td> | 450-600 |
> 200 ≤ 250 | 275 | 450-600 |
> 250 ≤ 400 | 265 | 450-600 |
S355JR steel has a wide range of applications in construction, metallurgy, heavy and transport engineering, machine tool, power engineering and bridge building industries. Various profiles and metal structures, parts and elements of ground and underground equipment are made from steel S355JR.