Chemical properties of Q390C alloy structural plates
Q390C high strength steel plate is a low alloy high strength structural steel with a yield strength of 390MPa and a tensile strength of 510-660MPa.
Q390C low alloy steel sheet mainly contains basic elements such as C, Si, Mn, and alloy elements such as Nb, V, and Ti, which can optimize performance and have high strength, good toughness, excellent weldability, cold bending performance and corrosion resistance.
Q390C low alloy structural steel can be widely used in construction, bridges, machinery, ships and other fields to meet the needs of high loads and large spans.
Q390C High Strength Steel Sheet(HSLA) Chemical Composition
|
C max |
Si max. |
Mn max |
P max |
S max |
Nb max. |
V max. |
Ti max |
Cr max |
Ni max |
Cu max |
N max |
Mo max | B max |
Ala min |
|
0.20 |
0.50 |
1.70 |
0.030 |
0.030 |
0.07 |
0.20 |
0.20 |
0.30 |
0.50 |
0.30 |
0.015 |
0.10 | - |
0.015 |
Q390C High Strength Low Alloy Plate Mechanical Property
| Yield Strength (MPa) min. (t≤16mm) | Yield Strength (MPa) min.(16mm | Tensile Strength (MPa) | Elongation % min. |
| 390 | 370 | 490-650 | 20 |
