Steel grade S355JR is used to manufacture hot-rolled flat and long
products, which are subsequently used when producing steel building
structures.
Classification: Non-alloy structural steel.
Products: Flat and long products, semi-finished products.
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 | 450-600 |
| > 200 ≤ 250 | 275 | 450-600 |
| > 250 ≤ 400 | 265 | 450-600 |
Steel S355JR analogues
| France | E36-2 |
| UK | 50B |
| Europe (outdated) | Fe510-B |
| Belgium | AE355-B |
| Sweden | 1412-00 |
Application
Structural unalloyed steel S355JR 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.
Welding
Steel S335JR has good weldability using various welding methods,
both without heating and with pre-heating, and followed by
high-temperature processing .
