C55E | 1.1203 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	Successor	Remark
1.1203 (DIN EN 10250-2 : 1999-12)	1.1203	DIN EN 10250-2 : 1999-12	DIN EN 10250-2 : 1999-12 replaced by DIN EN 10250-2 : 2022-07	Replaced	Germany	C55E	Steel C55E is usable for larger parts in vehicle, engine and machine engineering undergoing a surface hardening (e.g. gear wheels, screws, shafts).

Chemical Composition

C [%]	Cr [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Cr+Mo+Ni [%]	Source	Remark
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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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Heat Treatment

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

Material Name	Country	Standard	Source
K1055	Australia	AS 1448	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
55	China	GB/T 699	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
U20552	China	GB/T 699	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
C55E	Europe	EN 10250-2
5	India	IS 2004	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
55C8	India	IS 2004	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
S55C	Japan	JIS G 4051	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
55	Russia	GOST 1050	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A521 Grade 1055	USA	ASTM A521	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
1055	USA	SAE	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
G10550	USA	UNS	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
Ck 55	Germany		Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
C55E	Salzgitter Flachstahl GmbH, Salzgitter
C55E	Saarstahl AG, Völklingen
C55E	Buderus Edelstahl GmbH, Wetzlar
C55E	Swiss Steel International GmbH, Düsseldorf
C55E	BGH Edelstahl Siegen GmbH
C55E	Platestahl Umformtechnik GmbH, Lüdenscheid
C55E	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
C55E	Schmiedewerke Gröditz GmbH, Gröditz
C55E	voestalpine AG, Linz
C55E	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
C55E	INTERSTAHL Service GmbH, Wetter
C55E	Tata Steel, IJmuiden
C55E	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
C55E	pauly STAHLHANDEL, Essen

Material Compliance

REACh	RoHS
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C55E (1.1203; DIN EN 10250-2 : 1999-12)

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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C55E (normalized and tempered (+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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C55E (normalized and tempered (+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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C55E (normalized and tempered (+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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C55E (normalized and tempered (+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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C55E (quenched and tempered (+QT); hammer forging; 0.000-70.000mm)

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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C55E (quenched and tempered (+QT); hammer forging; 70.000-160.000mm)

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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C55E (quenched and tempered (+QT); hammer forging; 160.000-330.000mm)

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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C55E | 1.1203 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]

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

C55E (1.1203; DIN EN 10250-2 : 1999-12)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

C55E (normalized and tempered (+NT); hammer forging; 0.000-100.000mm)

Yield strength

Tensile strength

Classification

C55E (normalized and tempered (+NT); hammer forging; 100.000-250.000mm)

Yield strength

Tensile strength

Classification

C55E (normalized and tempered (+NT); hammer forging; 250.000-500.000mm)

Yield strength

Tensile strength

Classification

C55E (normalized and tempered (+NT); hammer forging; 500.000-1000.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); hammer forging; 0.000-70.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); hammer forging; 70.000-160.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); hammer forging; 160.000-330.000mm)

Yield strength

Tensile strength

Classification

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