EN structural steel S275JR and its related series S355JR are very versatile common mild steel/carbon steel plate for multiple structural applications such as mining equipment and vehicles, excavators, loader, bulldozers, crane, mining hydraulic supports, construction, power plant, etc. Heat analysis shall be used to determine the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, and copper of EN structural steel S275JR and S355JR material. Meanwhile, the tensile strength, yield strength and elongation of EN structural steel S275JR and S355JR material shall be evaluated with tension test.
EN structural steel S275JR VS S355JR in chemical composition:
| EN 10025 |
C(max) |
Si max |
Mn% max |
P max |
S% max |
Cu% max |
N% max |
| t≤16 |
16<t≤40 |
t>40 |
| S275JR |
0.21 |
0.21 |
0.22 |
- |
1.50 |
0.035 |
0.035 |
0.55 |
0.012 |
| S355JR |
0.24 |
0.24 |
0.24 |
0.55 |
1.60 |
0.035 |
0.035 |
0.55 |
0.012 |
EN structural steel S275JR VS S355JR in mechanical properties-S275JR VS S355JR in yield strength:
| EN 10025-2 |
Minimum yield strength MPa Thickness(mm) |
| ≤16 |
16<t≤40 |
40<t≤63 |
63<t≤80 |
80<t≤100 |
100<t≤150 |
150<t≤200 |
200<t≤250 |
250<t≤400 |
| S275JR |
275 |
265 |
255 |
245 |
235 |
225 |
215 |
205 |
- |
| S355JR |
355 |
345 |
335 |
325 |
315 |
295 |
285 |
275 |
- |
EN structural steel S275JR VS S355JR in mechanical properties-S275JR VS S355JR in tensile strength:
| EN 10025-2 |
Tensile strength Thickness(mm) |
| t<3 |
3≤t≤100 |
100<t≤150 |
150<t≤200 |
250<t≤400 |
| S275JR |
430-580 |
410-560 |
400-540 |
380-540 |
- |
| S355JR |
510-680 |
470-630 |
450-600 |
450-600 |
- |
We offer EN structural steel S275JR and S355JR material. The EN structural steel S275JR and S355JR material are supplied in accordance with our ISO 9001 : 2008 registration. EN structural steel S275JR and S355JR material are structural micro-alloyed grade used for a great variety of applications.
