EN 10208-2 Grade L245MB thermomechanically rolled

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Description

Steel L245MB is produced as welded pipe for flammable media in condition thermomechanically rolled. Its yield stress is between 245 and 440 N/mm². The steel is weldable, its carbon equivalent CEV accounts for max. 0.40. To the welding seam (welding methods SAW, COW) applies a mandrel-diameter for the bending test of 3x 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 - 7.9 g/cm³

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Typical for Low Carbon Steel

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 - 215 GPa

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Typical for Low Carbon Steel

Elongation

20.0 °C

24 %

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Elongation, transverse

20.0 °C

22 %

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Poisson's ratio

23.0 °C

0.29 [-]

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Typical for Low Carbon Steel

Shear modulus

23.0 °C

82 GPa

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Typical for Low Carbon Steel

Tensile strength

20.0 °C

415 MPa

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Tensile strength, transverse

20.0 °C

415 MPa

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Yield strength Rp0.5

20.0 °C

245 - 440 MPa

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Yield strength, transverse

20.0 °C

245 - 440 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.32E-5 - 1.38E-5 1/K

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Typical for Low Carbon Steel

Max service temperature

500 °C

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Typical for Carbon Steel

Max service temperature, long

0 - 120 °C

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Melting point

1480 - 1526 °C

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Typical for Low Carbon Steel

Specific heat capacity

23.0 °C

465 J/(kg·K)

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Typical for Low Carbon Steel

Thermal conductivity

23.0 °C

25 - 93 W/(m·K)

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Typical for Low Carbon Steel

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

1.43E-7 - 1.74E-7 Ω·m

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Typical for Carbon Steel

Magnetic

PropertyValueComment

Curie temperature

770 °C

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Typical for Low Carbon Steel

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

1.5 %

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Molybdenum

0.1 %

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Nickel

0.3 %

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Niobium

0.04 %

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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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Vanadium

0.04 %

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