Weldable structural steel SM490A,SM490A steel plate,SM490A steel sheet is under steel standard JIS G3106.For the steel plate thickness equal or below 16mm,the minimum yield strength for steel plate SM490A shall be above 325Mpa,for the thickness between 16mm and 40mm,the minimum yield strength shall be 315 Mpa,and for the thickness above 40mm,the minimum yield point of steel SM490A shall be 295 Mpa.As the tensile strength of steel plate SM490A shall be within 490-610 Mpa for the thickness equal and below 100mm,and 400-610 Mpa for the thickness above 100mm.

►Mechnical property for SM490A steel plate:
| Thickness (mm) | |||||||
| SM490A | ≤ 16 | > 16 ≤ 40 | > 40 ≤ 75 | > 75 ≤ 100 | > 100 ≤ 160 | > 160 | |
| Yield strength (≥Mpa) | 325 | 315 | 295 | 295 | 285 | 275 | |
| ≤ 100 | > 100 | ||||||
| Tensile strength (Mpa) | 490-610 | 400-610 | |||||
►Chemical composition for SM490A steel plate (Ladle Analysis Max%)
| Main chemical elements composition of SM490A steel plate | |||||
| Thickness(mm) | C | Si | Mn | P | S |
| T≤50 | 0.20 | 0.55 | 1.60 | 0.035 | 0.035 |
| 50<T | 0.22 | ||||

SM490A Equivalent
|
Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
USA |
U.K |
|
S 355 JR |
AE 355 B |
|
E 36-2 |
Fe 510 B |
SS21,32,01 |
IS 961 |
A633 gr A,C,D |
50 B |







