EN 10216-3 Grade P620Q quenched and tempered (+QT)

EN 10216-3 Grade P620Q quenched and tempered (+QT) introduction

Steel P620Q is a weldable fine-grained construction steel (alloyed high-grade steel) for pressure vessel construction.
Basic range
Application -20 to 20 °C.

Equivalent material: DIN 1.8876, DIN P620Q, EN 1.8876

EN 10216-3 Grade P620Q quenched and tempered (+QT) general

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

EN 10216-3 Grade P620Q quenched and tempered (+QT) thermal

Property Value
Max service temperature, long Max service temperature, long of -20 - 20 °C

EN 10216-3 Grade P620Q quenched and tempered (+QT) chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.2 %
Chromium Chromium of 0.3 %
Copper Copper of 0.3 %
Manganese Manganese of 1 - 1.7 %
Molybdenum Molybdenum of 0.1 %
Nickel Nickel of 0.8 %
Niobium Niobium of 0.05 %
Nitrogen Nitrogen of 0.02 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.6 %
Sulfur Sulfur of 0.02 %
Titanium Titanium of 0.04 %
Vanadium Vanadium of 0.2 %

EN 10216-3 Grade P620Q 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 16 % -
Elongation, transverse 20.0 °C Elongation, transverse of 14 % -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Steel
Tensile strength 20.0 °C Tensile strength of 630 - 930 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 630 - 930 MPa -
Yield strength 20.0 °C Yield strength of 500 - 620 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 500 - 620 MPa -

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