EN 10273 Grade P690QH quenched and tempered (+QT)

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Description

The steel P690QH is a high temperature steel suitable for welding. Application: use in pressure vessel engineering.

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

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

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

190 - 210 GPa

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Typical for Steel

Elongation

20.0 °C

14 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Steel

Tensile strength

20.0 °C

720 - 940 MPa

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Yield strength

20.0 °C

630 - 690 MPa

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Yield strength Rp0.2

50.0 °C

610 - 670 MPa

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100.0 °C

585 - 645 MPa

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150.0 °C

555 - 615 MPa

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200.0 °C

535 - 595 MPa

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250.0 °C

515 - 575 MPa

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300.0 °C

510 - 570 MPa

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Chemical properties

PropertyValue

Aluminium

0.018 %

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Boron

5E-3 %

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Carbon

0.2 %

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Chromium

1.5 %

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Copper

0.3 %

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Manganese

1.7 %

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Molybdenum

0.7 %

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Nickel

2.5 %

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Niobium

0.05 - 0.06 %

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Nitrogen

0.02 %

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Phosphorus

0.03 %

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Silicon

0.8 %

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Sulfur

0.01 - 0.015 %

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Titanium

0.05 %

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Vanadium

0.12 %

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Zirconium

0.15 %

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