EN 10137-2 Grade S890Q quenched and tempered (+QT)

EN 10137-2 Grade S890Q quenched and tempered (+QT) introduction

S890Q is a tempered and weldable fine grained steel.
yield point: >890 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: DIN S890Q, ISO S890QD, DIN StE890V, DIN 1.8940, EN 1.8940

EN 10137-2 Grade S890Q quenched and tempered (+QT) general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 g/cm³ Typical for Steel

EN 10137-2 Grade S890Q quenched and tempered (+QT) thermal

Property Value
Boron Boron of 5E-3 %
Carbon Carbon of 0.2 %
Chromium Chromium of 1.5 %
Copper Copper of 0.5 %
Manganese Manganese of 1.7 %
Molybdenum Molybdenum of 0.7 %
Nickel Nickel of 2 %
Niobium Niobium of 0.06 %
Nitrogen Nitrogen of 0.02 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.8 %
Sulfur Sulfur of 0.015 %
Titanium Titanium of 0.05 %
Vanadium Vanadium of 0.12 %
Zirconium Zirconium of 0.15 %

EN 10137-2 Grade S890Q quenched and tempered (+QT) mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 190 - 210 GPa Typical for Steel
Elongation 20.0 °C Elongation of 11 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Steel
Tensile strength 20.0 °C Tensile strength of 880 - 1100 MPa -
Yield strength 20.0 °C Yield strength of 830 - 890 MPa -

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Tel: +86-371-86151827

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