EN P690QL2 EN 10028-6 Steel Plate
boiler steel sheet Product Introduction
EN P690QL2 EN 10028-6 steel grade is commonly used in a wide range of structural and pressure vessel applications. It is ideal for components found in oil, gas, and chemical industry applications, as well as boilers, heat exchangers, and components for ships and submarines. Additionally, EN P690QL2 EN 10028-6 steel is a popular choice for pressure vessels due to its excellent combination of strength, toughness, and weldability.
Pressure Vessel And Boiler Steel Plate Product Details
EN P690QL2 EN 10028-6 Chemical Element
EN P690QL2 EN 10028-6 is hot selling products of our company. Our EN P690QL2 EN 10028-6 chemical composition is controlled strictly with stipulation of standard EN 10028-6.
Meanwhile, our advanced EN P690QL2 EN 10028-6 production line strives to control impurities to the minimum, so as to make EN P690QL2 EN 10028-6 play its best performance. Below is the proportion of main elements in EN P690QL2 EN 10028-6:
| Element | Min | Max | Similar |
|---|---|---|---|
| Zr | - | 0.1500 | - |
| V | - | 0.1200 | - |
| Ti | - | 0.0500 | - |
| Si | - | 0.8000 | - |
| S | - | 0.0100 | - |
| P | - | 0.0200 | - |
| Ni | - | 2.5000 | - |
| Nb | - | 0.0600 | - |
| N | - | 0.0150 | - |
| Mo | - | 0.7000 | - |
| Mn | - | 1.7000 | - |
| Cu | - | 0.3000 | - |
| Cr | - | 1.5000 | - |
| C | - | 0.2000 | - |
| B | - | 0.0050 | - |
EN P690QL2 EN 10028-6 Mechanical Properties
Yield strength is the yield limit of EN P690QL2 EN 10028-6 when yielding occurs, that is, the stress resisting micro-plastic deformation. The external force greater than the yield strength will make the EN P690QL2 EN 10028-6 parts permanent failure and unable to recover. Less than this, the EN P690QL2 EN 10028-6 parts will return to their original shape.
Tensile strength is the critical value of transition from uniform plastic deformation to locally concentrated plastic deformation. It is also the maximum load-carrying capacity of EN P690QL2 EN 10028-6 under static tension. Tensile strength is the resistance that characterizes the maximum uniform plastic deformation of EN P690QL2 EN 10028-6. The deformation of tensile specimens is uniform before they bear the maximum tensile stress, but beyond that, the EN P690QL2 EN 10028-6 begins to neck, i.e. concentrate deformation.
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 427 (≥) | 646 (≥) | 11 | 12 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
EN P690QL2 EN 10028-6 Physical Properties
The physical properties of EN P690QL2 EN 10028-6 steel incorporate high quality, low weight, solidness, ductility and protection from erosion.
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson's coefficient, ν |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.44 | - | |||
| 684 | 342 | - | 23.3 | 132 | - | ||
| 313 | - | 11 | 41.2 | 221 | 132 |
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