EN 10028-6 Grade P690QL2 quenched and tempered (+QT)
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) introduction
The low-temperature tough fine grain structural steel is used in the quenched and tempered condition for pressure vessels up to -60 °C.
The steel is suitable for welding processes in current use.
Equivalent material: IS P690QL2, DIN 1.8888, DIN P690QL2, EN 1.8888
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) general
| Property | Value | Comment |
|---|---|---|
| Density | Density of 7.8 g/cm³ | Typical for Steel |
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) thermal
| Property | Value | Comment |
|---|---|---|
| Coefficient of thermal expansion | Coefficient of thermal expansion of 12 1/K | Predicted Value |
| Specific heat capacity | Specific heat capacity of 441.3 J/(kg·K) | Predicted Value |
| Thermal conductivity | Thermal conductivity of 35.1 W/(m·K) | Predicted Value |
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) chemical
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
| Boron | Boron of 0.005 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Carbon | Carbon of 0.2 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Chromium | Chromium of 1.5 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Copper | Copper of 0.3 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Manganese | Manganese of 1.7 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Molybdenum | Molybdenum of 0.7 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Nickel | Nickel of 2.5 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Niobium | Niobium of 0.06 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Nitrogen | Nitrogen of 0.015 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Phosphorus | Phosphorus of 0.02 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Silicon | Silicon of 0.8 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Sulfur | Sulfur of 0.005 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| - | Sulfur of 0.01 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Titanium | Titanium of 0.05 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Vanadium | Vanadium of 0.12 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
| Zirconium | Zirconium of 0.15 % | quenched and tempered (+QT) | EN 10028-6 | Flat |
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) electrical
| Property | Value | Comment |
|---|---|---|
| Electrical conductivity | Electrical conductivity of 5 S/m | Predicted Value |
| Electrical resistivity | Electrical resistivity of 35 Ω·m | Predicted Value |
EN 10028-6 Grade P690QL2 quenched and tempered (+QT) mechanical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
| Elastic modulus | - | Elastic modulus of 190 - 210 GPa | - | - | - | Typical for Steel |
| Elongation | - | Elongation of 12.1 % | - | - | - | Predicted Value, A80 |
| - | - | Elongation of 12.6 % | - | - | - | Predicted Value, A200 |
| - | - | Elongation of 14.8 % | - | - | - | Predicted Value, Transverse |
| - | - | Elongation of 17.9 % | - | - | - | Predicted Value, A5 |
| - | - | Elongation of 18.1 % | - | - | - | Predicted Value, A50 |
| - | - | Elongation of 18.3 % | - | - | - | Predicted Value, A80 Transverse |
| - | 20 °C | Elongation of 14 % | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| Poisson's ratio | - | Poisson's ratio of 0.3 [-] | - | - | - | Typical for Steel |
| Reduction of area | - | Reduction of area of 40.3 % | - | - | - | Predicted Value |
| - | - | Reduction of area of 44.8 % | - | - | - | Predicted Value, Transverse |
| Shear modulus | - | Shear modulus of 79.4 GPa | - | - | - | Predicted Value |
| Shear strength | - | Shear strength of 600.5 MPa | - | - | - | Predicted Value |
| Tensile strength | 20 °C | Tensile strength of 720 - 940 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| - | 20 °C | Tensile strength of 720 - 900 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| - | 20 °C | Tensile strength of 770 - 940 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| - | 20 °C | Tensile strength of 770 - 900 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| Yield strength | - | Yield strength of 309.8 MPa | - | - | - | Predicted Value, RP1 |
| - | - | Yield strength of 329.7 MPa | - | - | - | Predicted Value, RP1 Transverse |
| - | - | Yield strength of 502.3 MPa | - | - | - | Predicted Value, RP02 Transverse |
| - | - | Yield strength of 541.7 MPa | - | - | - | Predicted Value, RP05 |
| - | - | Yield strength of 544.5 MPa | - | - | - | Predicted Value, Transverse |
| - | - | Yield strength of 590.2 MPa | - | - | - | Predicted Value, RP02 |
| - | - | Yield strength of 725.2 MPa | - | - | - | Predicted Value, RP002 |
| - | 20 °C | Yield strength of 630 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| - | 20 °C | Yield strength of 670 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
| - | 20 °C | Yield strength of 690 MPa | quenched and tempered (+QT) | EN 10028-6 | Flat | - |
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