Main chemical elements composition of A299 Grade A |
|||||
Thickness(mm) |
C |
Si |
Mn |
P |
S |
T≤25 |
0.28 |
0.13-0.45 |
0.84-1.52 |
0.035 |
0.035 |
25T |
0.30 |
0.84-1.62 |
Thickness (mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
|
T≤25 |
290 |
515-655 |
200mm |
50mm |
2T |
275 |
16 |
19 |