EN 10025-6 Grade S620Q quenched and tempered (+QT)
EN 10025-6 Grade S620Q quenched and tempered (+QT) introduction
The tempered and fine grain weldable steel S620Q is used for constructions, such as transport vehicles, lifting and earthmoving machines, load-carrying constructions etc. Lowest application temperature -20 °C.
Equivalent material: ASTM Grade 100, IS S620QD, DIN StE620V, DIN 1.8914, EN 1.8914
EN 10025-6 Grade S620Q quenched and tempered (+QT) general
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
| Density | 20 °C | Density of 7.84 g/cm³ | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat |
EN 10025-6 Grade S620Q quenched and tempered (+QT) thermal
| Property | Temperature | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|---|
| Coefficient of thermal expansion | 100 °C | Coefficient of thermal expansion of 1.2e-05 1/K | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat |
| Specific heat capacity | 20 °C | Specific heat capacity of 430 J/(kg·K) | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat |
| Thermal conductivity | 20 °C | Thermal conductivity of 40 W/(m·K) | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat |
EN 10025-6 Grade S620Q quenched and tempered (+QT) chemical
| Property | Value | Condition | Related Standards | Shape |
|---|---|---|---|---|
| Boron | Boron of 0.005 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Carbon | Carbon of 0.2 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Chromium | Chromium of 1.5 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Copper | Copper of 0.5 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Manganese | Manganese of 1.7 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Molybdenum | Molybdenum of 0.7 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Nickel | Nickel of 2 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Niobium | Niobium of 0.06 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Nitrogen | Nitrogen of 0.015 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Phosphorus | Phosphorus of 0.025 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Silicon | Silicon of 0.8 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Sulfur | Sulfur of 0.015 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Titanium | Titanium of 0.05 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Vanadium | Vanadium of 0.12 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
| Zirconium | Zirconium of 0.15 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat |
EN 10025-6 Grade S620Q quenched and tempered (+QT) electrical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
| Electrical conductivity | - | Electrical conductivity of 5 S/m | - | - | - | Predicted Value |
| Electrical resistivity | 20 °C | Electrical resistivity of 2.6e-07 Ω·m | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat | - |
EN 10025-6 Grade S620Q quenched and tempered (+QT) mechanical
| Property | Temperature | Value | Condition | Related Standards | Shape | Comment |
|---|---|---|---|---|---|---|
| Elastic modulus | 20 °C | Elastic modulus of 210 GPa | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat | - |
| Elongation | - | Elongation of 12.3 % | - | - | - | Predicted Value, A80 |
| - | - | Elongation of 12.7 % | - | - | - | Predicted Value, A200 |
| - | - | Elongation of 15.9 % | - | - | - | Predicted Value, Transverse |
| - | - | Elongation of 18.2 % | - | - | - | Predicted Value, A5 |
| - | - | Elongation of 18.4 % | - | - | - | Predicted Value, A80 Transverse |
| - | - | Elongation of 19.1 % | - | - | - | Predicted Value, A50 |
| - | 20 °C | Elongation of 15 % | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| Poisson's ratio | - | Poisson's ratio of 0.3 [-] | - | - | - | Typical for Steel |
| Reduction of area | - | Reduction of area of 40.2 % | - | - | - | Predicted Value |
| - | - | Reduction of area of 44.7 % | - | - | - | Predicted Value, Transverse |
| Shear modulus | 20 °C | Shear modulus of 80 GPa | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat | - |
| Shear strength | - | Shear strength of 574 MPa | - | - | - | Predicted Value |
| Tensile strength | 20 °C | Tensile strength of 650 - 890 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| - | 20 °C | Tensile strength of 650 - 830 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| - | 20 °C | Tensile strength of 700 - 890 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| - | 20 °C | Tensile strength of 700 - 830 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| Yield strength | - | Yield strength of 309.6 MPa | - | - | - | Predicted Value, RP1 |
| - | - | Yield strength of 329.7 MPa | - | - | - | Predicted Value, RP1 Transverse |
| - | - | Yield strength of 502.7 MPa | - | - | - | Predicted Value, RP02 Transverse |
| - | - | Yield strength of 526.4 MPa | - | - | - | Predicted Value, Transverse |
| - | - | Yield strength of 541.7 MPa | - | - | - | Predicted Value, RP05 |
| - | - | Yield strength of 569.5 MPa | - | - | - | Predicted Value, RP02 |
| - | - | Yield strength of 629 MPa | - | - | - | Predicted Value, RP002 |
| - | 20 °C | Yield strength of 560 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| - | 20 °C | Yield strength of 580 MPa | quenched and tempered (+QT) | EN 10025-6, EN 10137-2 | Flat | - |
| - | 20 °C | Yield strength of 600 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
| - | 20 °C | Yield strength of 620 MPa | quenched and tempered (+QT) | EN 10137-2, EN 10025-6 | Sheet, Flat | - |
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