EN 10208-2 Grade L360QB quenched and tempered (+QT)

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Description

Steel L360QB is produced as seamless pipe for flammable media in condition annealed formed. Its yield stress is between 360 and 510 N/mm². The steel is weldable, its carbon equivalent CEV accounts for max. 0.42. To the welding seam (welding methods SAW, COW) applies a mandrel-diameter for the bending test of 4x nominal thickness of the pipe. Pipes are available with interior and exterior coating. Main fields of application are long-distance pipelines for flammable liquids (e.g. crude oil and natural gas products) as well as for compressed and liquefied flammable gases. Pipes acc. to DIN EN 10208-2 : 1996-08 also fulfil the conditions decisive for the consumption acc. to standards 5L, 5LX and 5LS of the American Petroleum Institute (API). When using these pipes has to be considered the Technical rule for flammable liquids (Technische Regel für brennbare FlüssigkeitenTRbF 301).

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

PropertyTemperatureValueComment

Density

23.0 °C

7.8 g/cm³

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Typical for Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

190 - 210 GPa

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Typical for Steel

Elongation

20.0 °C

22 %

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Elongation, transverse

20.0 °C

20 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Steel

Tensile strength

20.0 °C

460 MPa

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Tensile strength, transverse

20.0 °C

460 MPa

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Yield strength Rp0.5

20.0 °C

360 - 510 MPa

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Yield strength, transverse

20.0 °C

360 - 510 MPa

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Chemical properties

PropertyValue

Aluminium

0.015 - 0.06 %

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Carbon

0.16 %

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Chromium

0.3 %

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Copper

0.25 %

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Manganese

1.4 %

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Molybdenum

0.1 %

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Nickel

0.3 %

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Niobium

0.05 %

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Nitrogen

0.01 %

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Phosphorus

0.03 %

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Silicon

0.45 %

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Sulfur

0.02 %

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Titanium

0.04 %

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Vanadium

0.05 %

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