EN 10025-6 Grade S690Q quenched and tempered (+QT)

EN 10025-6 Grade S690Q quenched and tempered (+QT) introduction

S690Q is a tempered and weldable fine grained steel.
yield point: >690 N/mm²
application: welded steel constructions of various types, e.g. bridges and load-carrying constructions as well as transport vehicles, lifting and earthmoving machines.
application limits: at -20°C is warranted a notch impact energy of 30 J (longitudinal test specimen)
cold formability: for nominal size

Equivalent material: ASTM Grade 100, DIN S690Q, IS S690QD, ASTM A514 Grade F, DIN StE690V, DIN 1.8931, EN 1.8931

EN 10025-6 Grade S690Q quenched and tempered (+QT) general

Property Value Comment
Density Density of 7.8 g/cm³ Typical for Steel

EN 10025-6 Grade S690Q quenched and tempered (+QT) thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 11.9 1/K Predicted Value
Specific heat capacity Specific heat capacity of 441.6 J/(kg·K) Predicted Value
Thermal conductivity Thermal conductivity of 35.86 W/(m·K) Predicted Value

EN 10025-6 Grade S690Q 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 S690Q 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 10025-6 Grade S690Q 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 11.8 % - - - Predicted Value, A80
- - Elongation of 12.7 % - - - Predicted Value, A200
- - Elongation of 14.7 % - - - Predicted Value, Transverse
- - Elongation of 17.9 % - - - Predicted Value, A5
- - Elongation of 17.9 % - - - Predicted Value, A50
- - Elongation of 18.4 % - - - Predicted Value, A80 Transverse
- 20 °C Elongation of 14 % 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 40.3 % - - - Predicted Value
- - Reduction of area of 44.8 % - - - Predicted Value, Transverse
Shear modulus - Shear modulus of 79.8 GPa - - - Predicted Value
Shear strength - Shear strength of 575.7 MPa - - - Predicted Value
Tensile strength 20 °C Tensile strength of 710 - 940 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 710 - 930 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 710 - 900 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 760 - 940 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 760 - 930 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 760 - 900 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 770 - 940 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 770 - 930 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Tensile strength of 770 - 900 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
Yield strength - Yield strength of 309 MPa - - - Predicted Value, RP1
- - Yield strength of 329.7 MPa - - - Predicted Value, RP1 Transverse
- - Yield strength of 503.5 MPa - - - Predicted Value, RP02 Transverse
- - Yield strength of 541.7 MPa - - - Predicted Value, RP05
- - Yield strength of 542.7 MPa - - - Predicted Value, Transverse
- - Yield strength of 587.5 MPa - - - Predicted Value, RP02
- - Yield strength of 722.2 MPa - - - Predicted Value, RP002
- 20 °C Yield strength of 630 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Yield strength of 650 MPa quenched and tempered (+QT) EN 10025-6, EN 10137-2 Flat -
- 20 °C Yield strength of 670 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -
- 20 °C Yield strength of 690 MPa quenched and tempered (+QT) EN 10137-2, EN 10025-6 Sheet, Flat -

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