EN 10113 S275N steel is Hot-rolled products in weldable fine grain structural steels. Delivery conditions for thermomechanical rolled steels
All the grades in BS EN10113 S275N are with the number "N", this means all of these grades must be done normalized rolling or Controlled rolling in order to meet the property requirement of the BS EN10113 standard.
S275N steel chemical composition:
| Grade | Thk mm |
Delivery condition | Chemical composition % | ||||||||
| C | Si | Mn | P | S | Ni | TA1 | Nb | Ceq | |||
| S275N | standard | ≤0.18 | ≤0.40 | 0.50-1.40 | ≤0.035 | ≤0.030 | ≤0.50 | ≥0.020 | ≤0.050 | Same as below | |
| 8 | normalizing | 0.14 | 0.2 | 0.9 | 0.02 | 0.18 | 0.15 | 0.02 | 0.015 | ≤0.40 | |
| T>100 | 0.18 | 0.4 | 1.1 | 0.25 | 0.04 | 0.03 | ≤0.42 | ||||
S275N steel Mechanical properties
| Temperature | -20 | -10 | 0 | 20 |
| Notch impact test. Min. absorbed energy | 40 | 43 | 47 | 55 |
| Nominal thickness (mm) | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 100 | 100 - 150 | 150 - 200 | 200-250 |
| ReH - Minimum yield strength (MPa) | 275 | 265 | 255 | 245 | 235 | 225 | 215 | 205 |
| Nominal thickness (mm) | to 100 | 100 - 200 | 200-250 |
| Rm -Tensile strength (MPa) | 370-510 | 350-480 | 350-480 |
| Nominal thickness (mm) | to 16 | 16 - 40 | 40 - 63 | 63 - 80 | 80 - 200 |
| A - Minimum elongation Lo = 5,65 √ So (%) | 24 | 24 | 24 | 23 | 23. |
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