EN 10028-6 Grade P355QH quenched and tempered (+QT)
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EN 10028-6 Grade P355QH quenched and tempered (+QT)

EN 10028-6 Grade P355QH quenched and tempered (+QT) introduction

High-temperature resistant weldable fine grain structural steel for pressure vessel application in the quenched and tempered condition.
Application temperature: -20 to 300 °C

Equivalent material: IS P355QH, DIN 1.8867, EN 1.8867

EN 10028-6 Grade P355QH quenched and tempered (+QT) general

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

EN 10028-6 Grade P355QH quenched and tempered (+QT) thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 12.02 1/K Predicted Value
Specific heat capacity Specific heat capacity of 450 J/(kg·K) Predicted Value
Thermal conductivity Thermal conductivity of 37.22 W/(m·K) Predicted Value

EN 10028-6 Grade P355QH 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 0.16 % quenched and tempered (+QT) EN 10028-6 Flat
Chromium Chromium of 0.3 % quenched and tempered (+QT) EN 10028-6 Flat
Copper Copper of 0.3 % quenched and tempered (+QT) EN 10028-6 Flat
Manganese Manganese of 1.5 % quenched and tempered (+QT) EN 10028-6 Flat
Molybdenum Molybdenum of 0.25 % quenched and tempered (+QT) EN 10028-6 Flat
Nickel Nickel of 0.5 % quenched and tempered (+QT) EN 10028-6 Flat
Niobium Niobium of 0.05 % quenched and tempered (+QT) EN 10028-6 Flat
Nitrogen Nitrogen of 0.015 % quenched and tempered (+QT) EN 10028-6 Flat
Phosphorus Phosphorus of 0.025 % quenched and tempered (+QT) EN 10028-6 Flat
Silicon Silicon of 0.4 % quenched and tempered (+QT) EN 10028-6 Flat
Sulfur Sulfur of 0.01 % quenched and tempered (+QT) EN 10028-6 Flat
- Sulfur of 0.015 % quenched and tempered (+QT) EN 10028-6 Flat
Titanium Titanium of 0.03 % quenched and tempered (+QT) EN 10028-6 Flat
Vanadium Vanadium of 0.06 % quenched and tempered (+QT) EN 10028-6 Flat
Zirconium Zirconium of 0.05 % quenched and tempered (+QT) EN 10028-6 Flat

EN 10028-6 Grade P355QH quenched and tempered (+QT) electrical

Property Value Comment
Electrical conductivity Electrical conductivity of 5 S/m Predicted Value
Electrical resistivity Electrical resistivity of 37 Ω·m Predicted Value

EN 10028-6 Grade P355QH 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 17.4 % - - - Predicted Value, A200
- - Elongation of 17.5 % - - - Predicted Value, A80
- - Elongation of 19.3 % - - - Predicted Value, A80 Transverse
- - Elongation of 20.5 % - - - Predicted Value, A5
- - Elongation of 21.5 % - - - Predicted Value, Transverse
- - Elongation of 24.5 % - - - Predicted Value, A50
- 20 °C Elongation of 22 % 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 43.3 % - - - Predicted Value, Transverse
- - Reduction of area of 43.4 % - - - Predicted Value
Shear modulus - Shear modulus of 80.3 GPa - - - Predicted Value
Shear strength - Shear strength of 537.6 MPa - - - Predicted Value
Tensile strength 20 °C Tensile strength of 450 - 630 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 20 °C Tensile strength of 450 - 590 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 20 °C Tensile strength of 490 - 630 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 20 °C Tensile strength of 490 - 590 MPa quenched and tempered (+QT) EN 10028-6 Flat -
Yield strength - Yield strength of 257.8 MPa - - - Predicted Value, RP1
- - Yield strength of 322.4 MPa - - - Predicted Value, RP1 Transverse
- - Yield strength of 374 MPa - - - Predicted Value, Transverse
- - Yield strength of 429.9 MPa - - - Predicted Value, RP05
- - Yield strength of 472.1 MPa - - - Predicted Value, RP02 Transverse
- - Yield strength of 496.6 MPa - - - Predicted Value, RP002
- 20 °C Yield strength of 315 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 20 °C Yield strength of 335 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 20 °C Yield strength of 355 MPa quenched and tempered (+QT) EN 10028-6 Flat -
- 50 °C Yield strength of 280 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 50 °C Yield strength of 320 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 50 °C Yield strength of 340 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 100 °C Yield strength of 250 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 100 °C Yield strength of 290 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 100 °C Yield strength of 310 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 150 °C Yield strength of 225 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 150 °C Yield strength of 265 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 150 °C Yield strength of 285 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 200 °C Yield strength of 200 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 200 °C Yield strength of 240 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 200 °C Yield strength of 260 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 250 °C Yield strength of 175 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 250 °C Yield strength of 215 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 250 °C Yield strength of 235 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 300 °C Yield strength of 155 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 300 °C Yield strength of 195 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02
- 300 °C Yield strength of 215 MPa quenched and tempered (+QT) EN 10028-6 Flat RP02

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