EN 10028-6 Grade P690QL1 quenched and tempered (+QT)
EN 10028-6 Grade P690QL1 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 -40 °C.
The steel is suitable for welding processes in current use.
Equivalent material: ASTM A517 Grade A, ASTM A517 Grade B, ASTM A517 Grade E, ASTM A517 Grade F, ASTM A517 Grade H, ASTM A517 Grade J, ASTM A517 Grade P, ASTM A517 Grade Q, ASTM A517 Grade S, UNS K11576, UNS K11625, UNS K11630, UNS K11646, UNS K11683, UNS K11856, UNS K21604, UNS K21650, IS P690QL1, ASTM A517, DIN 1.8881, DIN P690QL1, BS P690QL1, EN 1.8881, ISO P690QL1
EN 10028-6 Grade P690QL1 quenched and tempered (+QT) general
| Property |
Value |
Comment |
| Density |
Density of 7.8 g/cm³ |
Typical for Steel |
EN 10028-6 Grade P690QL1 quenched and tempered (+QT) thermal
| Property |
Value |
Comment |
| Coefficient of thermal expansion |
Coefficient of thermal expansion of 12.01 1/K |
Predicted Value |
| Specific heat capacity |
Specific heat capacity of 441.4 J/(kg·K) |
Predicted Value |
| Thermal conductivity |
Thermal conductivity of 34.49 W/(m·K) |
Predicted Value |
EN 10028-6 Grade P690QL1 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 0.008 % |
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 P690QL1 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 P690QL1 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 13.9 % |
- |
- |
- |
Predicted Value, Transverse |
| - |
- |
Elongation of 17.9 % |
- |
- |
- |
Predicted Value, A5 |
| - |
- |
Elongation of 18.2 % |
- |
- |
- |
Predicted Value, A50 |
| - |
- |
Elongation of 18.5 % |
- |
- |
- |
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 40.1 % |
- |
- |
- |
Predicted Value |
| - |
- |
Reduction of area of 44.6 % |
- |
- |
- |
Predicted Value, Transverse |
| Shear modulus |
- |
Shear modulus of 79.4 GPa |
- |
- |
- |
Predicted Value |
| Shear strength |
- |
Shear strength of 605.8 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 321.5 MPa |
- |
- |
- |
Predicted Value, RP1 |
| - |
- |
Yield strength of 331.4 MPa |
- |
- |
- |
Predicted Value, RP1 Transverse |
| - |
- |
Yield strength of 489 MPa |
- |
- |
- |
Predicted Value, RP02 Transverse |
| - |
- |
Yield strength of 539.7 MPa |
- |
- |
- |
Predicted Value, RP05 |
| - |
- |
Yield strength of 542.4 MPa |
- |
- |
- |
Predicted Value, Transverse |
| - |
- |
Yield strength of 585.3 MPa |
- |
- |
- |
Predicted Value, RP02 |
| - |
- |
Yield strength of 724.5 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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