China stock hot rolled gb standard alloy steel plate q345b
Steel plate Q345B is usually produced in hot rolled state: hot rolled steel plate, hot rolled steel coil/sheet, it has comprehensive mechanical and welding property. As it shows good performance in structural purposes, Steel plate Q345B is widely used as welding structural part in manufacturing of ship, railway and vehicles, bridges, boiler, pressure vessel container, steel oil tank, etc. Yield point of Steel plate Q345B decreases as plate thickness increases.
Steel plate Q345B data sheet:
| Steel plate Q345B specification | Thickness | ≤400mm |
| Width | ≤4200mm | |
| Length | ≤18000mm | |
| Steel plate Q345B density | 7.85g/m3 | |
| Deep processing | Cutting, welding, bending, drilling, etc. | |
| Third party inspection | SGS, BV, Intertek, etc. | |
| Delivery state | HR, AR | |
Steel plate Q345B chemical composition:
| C | Si | Mn | P | S | Nb | V | Ti |
| 0.2 | 0.5 | 1.7 | 0.035 | 0.035 | 0.07 | 0.15 | 0.2 |
| Cr | Ni | Cu | N | Mo | B | Als min | |
| 0.3 | 0.5 | 0.3 | 0.012 | 0.1 | - | - |
Steel plate Q345B yield strength:
| Nominal thickness (mm) | To 16 | 16-40 | 40-63 | 63-80 | 80- | 100- | 150- | 200- | 250- |
| 100 | 150 | 200 | 250 | 400 | |||||
| ReH - Minimum yield strength (MPa) | 345 | 335 | 325 | 315 | 305 | 285 | 275 | 265 | - |
Steel plate Q345B tensile strength:
| Nominal thickness (mm) | To 40 | 40-63 | 63-80 | 80-100 | 100-150 | 150-250 | 250-400 |
| ReH - Minimum yield strength (MPa) | 470-630 | 470-630 | 470-630 | 470-630 | 450-600 | 450-600 | - |
Steel plate Q345B elongation (≥):
| Thk (mm) | To 40 | 40-63 | 63-100 | 100-150 | 150-250 | 250-400 |
| Q345B | 20 | 19 | 19 | 18 | 17 | - |
Steel plate Q345B impact test temperature and energy:
| Q345B | Min Energy Nominal thickness | ||
| Temperature ℃ | 20 | ||
| Thickness (mm) | 12-150 | 150-250 | 250-400 |
| Notch impact test. Min. absorbed energy | 34 | 27 | - |
Steel plate Q345B application:
Steel plate Q345B is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts.
Henan Bebon Iron & Steel Co.,Ltd, BBN steel Group, China
bebonchina.com
bbnsteelplate.com
corten-a-b.com
shipbuilding-steel.com
