Steel S420M is a kind of weldable fine grain structural steel under EN 10025-4. The Material number is 1.8819.
Steel EN 10025-4 S275ML: thermomechanical rolled structural steel (S) with a specified minimum yield strength at ambient temperature of 275 MPa, and with a specified minimum value of impact energy at -50°C.
The dimensions, shape and tolerance of the steel plate shall comply with the requirements of 2.2 of 2004 of EN10025-1.
EN 10025-4
S275ML Steel Plates Delivery Condition
The S275ML steel plate is delivered in a thermomechanically rolled state, and the steel plate shall be delivered by shearing or cutting with flame. The chemical composition (melting analysis) of S275ML steel should meet the requirements of the following table (%)
| C |
Si |
Mn |
P |
S |
Nb |
V |
Al |
Ti |
Cr |
Ni |
Mo |
Cu |
N |
| ≤0.13 |
≤0.5 |
≤1.5 |
≤0.025 |
≤0.02 |
≤0.05 |
≤0.08 |
≤0.02 |
≤0.05 |
≤0.3 |
≤0.3 |
≤0.1 |
≤0.55 |
≤0.015 |
The mechanical properties and process performance of Steel EN 10025-4 S275ML should meet the following requirements:
| Grade |
Thickness(mm) |
Yield strength (MPa) |
Tensile strength (MPa) |
Elongation (%) |
| S275ML |
≤16 |
≥275 |
370-530 |
24 min. |
| 16-40 |
≥265 |
370-530 |
| 41-63 |
≥255 |
360-520 |
| 63-80 |
≥245 |
350-510 |
| 80-100 |
≥245 |
350-510 |
| 100-120 |
≥240 |
350-510 |
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