C45R | 1.1201 Material Datasheet

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	VDA 231-106 classification
1.1201 (DIN EN ISO 683-7 : 2025-02)	C45R	1.1201	DIN EN ISO 683-7 : 2025-02	Supersedes DIN EN 10277 : 2018-09	Valid	Germany	C45R	1.1.1	1)
1) Remark: The steel is suitable for mean loaded parts in vehicle, engine and machine engineering with enhanced workability at constant mechanical qualities (e.g. transmission shafts, gear wheels, clutch parts, bolts).

Chemical Composition

C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Cr+Mo+Ni [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Hardness HB \| HBW
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Physical Properties

Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Shear 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	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Notch Impact Energy [J]
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Cross Reference

Material Name	Country	Standard
C45R	Europe	EN ISO 683-7
C45R	International	ISO 683-7
A108 Grade 1049	USA	ASTM A108	1)
1049	USA	SAE	1)
G10490	USA	UNS	1)
Cm 45	Germany		2)
1) Source: SAE HS-1086, ASTM DS56M, Metals & Alloys in the Unified Numbering System, 14th Edition, SAE International, 2023
2) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
C45R	Andernach & Bleck GmbH & Co. KG, Hagen
C45R	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
C45R	KSM Stahl GmbH, Empfingen
C45R	LSV Lech-Stahl Veredelung GmbH, Landsberg am Lech
C45R	Swiss Steel AG, Emmenbrücke
C45R	ThyssenKrupp Schulte GmbH, Essen

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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Density

Temperature [°C]	Density [g/cm³]
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Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Shear modulus [GPa]	Poisson's ratio
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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Alternating stress

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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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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Thermal conductivity

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

Temperature [°C]	Specific electrical resistance [µΩm]
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Designation

Designation	Material number	Source
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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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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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
	blur	blur	blur						blur

Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	Yield strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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C45R | 1.1201 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Material Compliance

Mechanical Properties

Physical Properties

Toughness Data (Impact)

Cross Reference

Producer/Supplier/Trade names

C45R (1.1201; DIN EN ISO 683-7 : 2025-02)

Classification

Density

Linear-elastic

Yield strength

Tensile strength

Alternating stress

Coefficient thermal expansion

Specific heat

Thermal conductivity

Electrical resistivity

Designation

C45R (as rolled and turned (+SH); bright steel; 16.000-100.000mm)

Classification

Tensile strength

C45R (cold drawn and quenched and tempered (+C+QT); bright steel; 16.000-40.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn and quenched and tempered (+C+QT); bright steel; 40.000-100.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn; bright steel; 10.000-16.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn; bright steel; 16.000-40.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn; bright steel; 40.000-63.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn; bright steel; 5.000-10.000mm)

Classification

Yield strength

Tensile strength

C45R (cold drawn; bright steel; 63.000-0.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and cold drawn (+QT+C); bright steel; 10.000-16.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and cold drawn (+QT+C); bright steel; 16.000-40.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and cold drawn (+QT+C); bright steel; 40.000-63.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and cold drawn (+QT+C); bright steel; 5.000-10.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and cold drawn (+QT+C); bright steel; 63.000-100.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and turned (+QT+SH); bright steel; 16.000-40.000mm)

Classification

Yield strength

Tensile strength

C45R (quenched and tempered and turned (+QT+SH); bright steel; 40.000-100.000mm)