Products Description
Q345E to GB/T 1591-2008 standard is a low alloy high strength structural steel. The company mainly supply various of high quality alloy and carbon steel plates, Q345E round bars and plates, which are widely used in petroleum, building, chemical industry, boiler, metallurgy, power, shipbuilding and other industries.
The company can satisfy the customer's multi-varieties and small-batch request and support the various needs of project, providing the one-stop service for Q345E steel dealers and end users.
Q345E low alloy steel plate chemical composition
| C | Si | Mn | P | S | Nb | V | Ti |
| 0.18 | 0.50 | 1.70 | 0.025 | 0.02 | 0.07 | 0.15 | 0.20 |
| Cr | Ni | Cu | N | Mo | B | Als min | |
| 0.30 | 0.50 | 0.30 | 0.012 | 0.10 | - | 0.015 |
Q345E low alloy steel plate 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 | 265 |
Q345E low alloy steel plate 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 | 450-600 |
Q345E impact test temperature and energy
| Q345E | Min Energy Nominal thickness | ||
| Temperature ℃ | -40 | ||
| Thickness (mm) | 12-150 | 150-250 | 250-400 |
| Notch impact test. Min. absorbed energy | 34 | 27 | 27 |
Q345E low alloy steel plate equivalent grades
| EU | USA | Germany | France | England | European old | Italy | Spain | China | Sweden |
| EN | - | DIN, WNr | AFNOR | BS | EN | UNI | UNE | GB | SS |
| S355NL (1.0546) | A633Gr.C | TStE355 | E355FP | 50EE | FeE355KTN | FeE355KTN | AE355KT | Q345E | Jan-35 |
| A633Gr.D | E355FR |
Products Application
Q345E low alloy steel plate is low alloy structural steel with good mechanical properties, low temperature performance, plasticity and good weldability, it is mostly used as welding structural part in manufacturing of ship, railway and vehicles, bridges, boiler, pressure vessel, oil tank, cranes, mining machinery, power stations, mechanical parts, building structure, general metal parts.
