Q550E Hot Rolled steel plate
Q550E high strength steel plate is a low alloy high strength structural steel plate with high strength, high toughness and excellent welding performance.
Q550E low alloy steel has extremely high strength and load-bearing capacity, and can meet the design requirements of various complex structures. Q550E high strength steel plate not only has high strength, but also has good plasticity and toughness. It can maintain good toughness and fatigue resistance when subjected to large impact and vibration, thereby extending the service life of the structure.
Application areas of Q550E low alloy steel plate
Bridge construction: used for structures such as main beams, cross beams, and longitudinal beams to withstand the impact of heavy loads and high-speed traffic.
Construction field: used for structures such as high-rise buildings, factories, warehouses, etc. to improve the safety and durability of buildings.
Shipbuilding: used for hulls, decks, bulkheads, etc. to enhance the strength and stability of ships.
►Mechnical property for GB/T 16270 Q550E low alloy steel plate
|
Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥, A % |
|
T≤50 |
550 |
640-820 |
16 |
|
50<T≤100 |
530 |
640-820 |
|
|
100<T |
490 |
590-770 |
►Chemical composition for GB/T 16270 Q550E high strength low alloy steel
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
|
0.20 |
0.80 |
1.70 |
0.020 |
0.010 |
0.50 |
1.50 |
|
Ni |
Mo |
B |
V |
Nb |
Ti |
- |
|
2.00 |
0.70 |
0.005 |
0.12 |
0.06 |
0.05 |
- |
