20MnMoNi4-5 | 1.6311 Material Datasheet

Material Test Series Values

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	Remark	Application temperature [°C]
1.6311 (DIN EN 10028-2 : 2009-09)	1.6311	DIN EN 10028-2 : 2009-09	DIN EN 10028-2 : 2009-09 replaced by DIN EN 10028-2 : 2017-10	Replaced	Germany	20MnMoNi4-5	20MnMoNi4-5	Alloy heat resistant and temperable high-grade steel for pressure vessel application at increased temperatures. Application: turbine parts, high pressure tubes	20 - 400

Chemical Composition

C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	N [%]	Ni [%]	P [%]	S [%]	Si [%]	V [%]	Source	Remark
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Source	Remark
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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)]	Magnetizeability	Source
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Young's Modulus [GPa] vs Temperature [°C]

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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

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Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

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Welding and Joining

Procedure	Welding and Joining - Evaluation	Nominal Size [mm]	Preheating [°C]	Cooling Time t8/5 [s]	Holding Temperature [°C]	Interpass Temperature [°C]	Information	Source
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Toughness Data (Impact)

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Source	Remark
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Creep Rupture Behaviour

Temperature [°C]	Creep Tensile Strength at 10^4 h [MPa]	Creep Tensile Strength at 10^5 h [MPa]	Source	Remark
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Heat Treatment

Heat Treatment	Temperature [°C]	Holding Time [h]	Source	Remark
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Cross Reference

Material Name	Country	Standard
20 MnMoNi 4 5	Germany	VdTÜV 440-1
20MnMoNi4-5	Germany	SEW 028
20MnMoNi4-5	Europe	EN 10028-2
SQV2A	Japan	JIS G 3120
SQV2B	Japan	JIS G 3120
A533 Grade B	USA	ASTM A533
A533 Grade C	USA	ASTM A533
A533 Grade D	USA	ASTM A533
K12529	USA	UNS
K12539	USA	UNS
K12554	USA	UNS

Producer/Supplier/Trade names

Tradename	Supplier
BGH 6311	BGH Edelstahl Siegen GmbH
20MnMoNi4-5	voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
DIRO-20MnMoNi4-5	DIROSTAHL, Remscheid
20MnMoNi4-5	AG der Dillinger Hüttenwerke, Dillingen
20MnMoNi4-5	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
20MnMoNi4-5	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
20MnMoNi4-5	Ilsenburger Grobblech GmbH, Ilsenburg
20MnMoNi4-5	Industeel Deutschland GmbH, Grevenbroich
20MnMoNi4-5	INTERSTAHL Service GmbH, Wetter
20MnMoNi4-5	pauly STAHLHANDEL, Essen
20MnMoNi4-5	Salzgitter Flachstahl GmbH, Salzgitter
20MnMoNi4-5	SCHMOLZ + BICKENBACH GUSS GmbH, Krefeld
20MnMoNi4-5	ThyssenKrupp Steel Europe AG, Duisburg
20MnMoNi4-5	voestalpine AG, Linz

Material Compliance

REACh	RoHS
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Fracture Toughness

Temperature [°C]	Plane-Strain Fracture Toughness KIc [MPa*m^½]	Source
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20MnMoNi4-5 (1.6311; DIN EN 10028-2 : 2009-09)

Linear-elastic

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

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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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	Source description
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Designation

Designation	Material number	Source
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20MnMoNi4-5 (quenched and tempered (+QT); flat product; 0.000-40.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnMoNi4-5 (quenched and tempered (+QT); flat product; 40.000-60.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnMoNi4-5 (quenched and tempered (+QT); flat product; 60.000-100.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnMoNi4-5 (quenched and tempered (+QT); flat product; 100.000-150.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnMoNi4-5 (quenched and tempered (+QT); flat product; 150.000-250.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnMoNi4-5 | 1.6311 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Young's Modulus [GPa] vs Temperature [°C]

Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

Welding and Joining

Toughness Data (Impact)

Creep Rupture Behaviour

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

Fracture Toughness

20MnMoNi4-5 (1.6311; DIN EN 10028-2 : 2009-09)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

20MnMoNi4-5 (quenched and tempered (+QT); flat product; 0.000-40.000mm)

Yield strength

Tensile strength

Classification

20MnMoNi4-5 (quenched and tempered (+QT); flat product; 40.000-60.000mm)

Yield strength

Tensile strength

Classification

20MnMoNi4-5 (quenched and tempered (+QT); flat product; 60.000-100.000mm)

Yield strength

Tensile strength

Classification

20MnMoNi4-5 (quenched and tempered (+QT); flat product; 100.000-150.000mm)

Yield strength

Tensile strength

Classification

20MnMoNi4-5 (quenched and tempered (+QT); flat product; 150.000-250.000mm)

Yield strength

Tensile strength

Classification

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