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L245NB | 1.0457 Material Datasheet

Material Standard Values
Material Models for Simulation

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Predecessor	Successor
1.0457 (DIN EN 10208-2 : 2009-07)	1.0457	DIN EN 10208-2 : 2009-07	DIN EN 10208-2 : 2009-07 replaced by DIN EN ISO 3183 : 2018-09	Replaced	Germany	L245NB	L245NE	1)
1) Remark: Steel L245NB is produced as seamless or welded pipe for flammable media in condition normalized or normalizing formed. Its yield stress is between 245 and 440 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 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).

Chemical Composition

Al [%]	C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	N [%]	Ni [%]	P [%]	S [%]	Si [%]
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.5% offset) [MPa]	Elongation A [%]	Yield Strength Ratio
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Differential Coefficient of Thermal Expansion [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Thermal Diffusivity [10^-6 m²/s]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]	True Specific Heat Capacity [kJ/(kg*K)]
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Toughness Data (Impact)

Semi-finished Product	Tube Outer Diameter [mm]	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Safety Factor	Notch Impact Energy [J]
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Cross Reference

Material Name	Country	Standard
L245NB	Europe	EN 10208-2
BNE	International	ISO 3183	1)
L245NE	International	ISO 3183	1)
Grade B	USA	API 5L
Grade BR	USA	API 5L
StE 240.7	Germany		1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
L245NB	Salzgitter Flachstahl GmbH, Salzgitter
L245NB	Vallourec Deutschland GmbH, Düsseldorf
L245NB	EUROPIPE GmbH, Ratingen
L245NB	Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf
L245NB	Rohrwerk Maxhütte GmbH, Sulzbach-Rosenberg

Material Compliance

REACh	RoHS
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Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Bulk modulus [GPa]	Shear modulus [GPa]	Poisson's ratio
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Alternating stress

Temperature [°C]	Stress ratio	Mean stress [MPa]	Alternating stress [MPa]	Cycles
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Electrical resistivity

Temperature [°C]	Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C]	Temperature [°C]	Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C]	Specific heat [kJ/(kg*K)]
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Density

Temperature [°C]	Density [g/cm³]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Thermal conductivity

Temperature [°C]	Thermal conductivity [W/(m*K)]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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Designation

Designation	Material number	Source
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

WIAM Material	Treatment	Semi-finished product	Dimension [mm]	Load type	Failure criteria	Rolling direction	Maximum stress [MPa]	Strain at maximum stress [%]	Source description
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