C25 | 1.0406 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	Remark
1.0406 (DIN EN 10250-2 : 2022-07)	1.0406	DIN EN 10250-2 : 2022-07	Supersedes DIN EN 10250-2 : 1999-12	Valid	Germany	C25	Non-alloy open die steel forgings for general engineering purposes.

Chemical Composition

C [%]	Cr [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Cr+Mo+Ni [%]	Source
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]	Source
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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)]	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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Toughness Data (Impact)

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Source
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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Medium	Source
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Cross Reference

Material Name	Country	Standard	Source
S1025	Australia	AS 1448	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
25	China	GB/T 699	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
U20252	China	GB/T 699	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C25	Europe	EN 10250-2
25	Russia	GOST 1050	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A521 Grade 1025	USA	ASTM A521	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
1025	USA	SAE	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
G10250	USA	UNS	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename	Supplier	Source
C25	DIROSTAHL, Remscheid	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C25	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.0406	IMBACH & CIE AG, Nebikon	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
C25	Rosswag GmbH, Pfinztal-Kleinsteinbach	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh	RoHS
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C25 (1.0406; DIN EN 10250-2 : 2022-07)

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]	Yield 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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C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 0.000-100.000mm)

Yield strength

Temperature [°C]	Yield 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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C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 100.000-250.000mm)

Yield strength

Temperature [°C]	Yield 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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C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 250.000-500.000mm)

Yield strength

Temperature [°C]	Yield 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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C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 500.000-1000.000mm)

Yield strength

Temperature [°C]	Yield 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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C25 | 1.0406 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]

Toughness Data (Impact)

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

C25 (1.0406; DIN EN 10250-2 : 2022-07)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 0.000-100.000mm)

Yield strength

Tensile strength

Classification

C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 100.000-250.000mm)

Yield strength

Tensile strength

Classification

C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 250.000-500.000mm)

Yield strength

Tensile strength

Classification

C25 (normalized or normalized and tempered (+N or +NT); hammer forging; 500.000-1000.000mm)

Yield strength

Tensile strength

Classification

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