EN 10028-6 Grade P690QL1 quenched and tempered (+QT)

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Description

The low-temperature tough fine grain structural steel is used in the quenched and tempered condition for pressure vessels up to -40 °C. The steel is suitable for welding processes in current use.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyValueComment

Density

7.8 g/cm³

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Typical for Steel

Mechanical

PropertyTemperatureValueConditionRelated StandardsShapeComment

Elastic modulus

190 - 210 GPa

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Typical for Steel

Elongation

12.1 %

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Predicted Value, A80

12.6 %

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Predicted Value, A200

13.9 %

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Predicted Value, Transverse

17.9 %

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Predicted Value, A5

18.2 %

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Predicted Value, A50

18.5 %

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Predicted Value, A80 Transverse

20 °C

14 %

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quenched and tempered (+QT)

EN 10028-6

Flat

Poisson's ratio

0.3 [-]

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Typical for Steel

Reduction of area

40.1 %

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Predicted Value

44.6 %

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Predicted Value, Transverse

Shear modulus

79.4 GPa

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Predicted Value

Shear strength

605.8 MPa

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Predicted Value

Tensile strength

20 °C

720 - 940 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

20 °C

720 - 900 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

20 °C

770 - 940 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

20 °C

770 - 900 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

Yield strength

321.5 MPa

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Predicted Value, RP1

331.4 MPa

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Predicted Value, RP1 Transverse

489 MPa

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Predicted Value, RP02 Transverse

539.7 MPa

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Predicted Value, RP05

542.4 MPa

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Predicted Value, Transverse

585.3 MPa

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Predicted Value, RP02

724.5 MPa

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Predicted Value, RP002

20 °C

630 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

20 °C

670 MPa

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quenched and tempered (+QT)

EN 10028-6

Flat

20 °C

690 MPa

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quenched and tempered (+QT)

EN 10028-6

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Thermal

PropertyValueComment

Coefficient of thermal expansion

12.01 1/K

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Predicted Value

Specific heat capacity

441.4 J/(kg·K)

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Predicted Value

Thermal conductivity

34.49 W/(m·K)

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Predicted Value

Electrical

PropertyValueComment

Electrical conductivity

5 S/m

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Predicted Value

Electrical resistivity

35 Ω·m

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Predicted Value

Chemical properties

PropertyValueConditionRelated StandardsShape

Boron

0.005 %

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quenched and tempered (+QT)

EN 10028-6

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Carbon

0.2 %

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quenched and tempered (+QT)

EN 10028-6

Flat

Chromium

1.5 %

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quenched and tempered (+QT)

EN 10028-6

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Copper

0.3 %

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quenched and tempered (+QT)

EN 10028-6

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Manganese

1.7 %

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quenched and tempered (+QT)

EN 10028-6

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Molybdenum

0.7 %

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quenched and tempered (+QT)

EN 10028-6

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Nickel

2.5 %

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quenched and tempered (+QT)

EN 10028-6

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Niobium

0.06 %

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quenched and tempered (+QT)

EN 10028-6

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Nitrogen

0.015 %

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quenched and tempered (+QT)

EN 10028-6

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Phosphorus

0.02 %

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quenched and tempered (+QT)

EN 10028-6

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Silicon

0.8 %

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quenched and tempered (+QT)

EN 10028-6

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Sulfur

0.008 %

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quenched and tempered (+QT)

EN 10028-6

Flat

0.01 %

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quenched and tempered (+QT)

EN 10028-6

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Titanium

0.05 %

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quenched and tempered (+QT)

EN 10028-6

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Vanadium

0.12 %

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quenched and tempered (+QT)

EN 10028-6

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Zirconium

0.15 %

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quenched and tempered (+QT)

EN 10028-6

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Technological properties

Property
Supplier Disclaimer

The given information is a rough description and some properties can depend on various factors such as product thickness. Please contact the supplier or refer to the related norm or standard for further information.

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