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C55E | 1.1203 Material Datasheet

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Predecessor
1.1203 (DIN EN ISO 683-1 : 2018-09)	1.1203	DIN EN ISO 683-1 : 2018-09	Supersedes DIN EN 10083-2 : 2006-10	Valid	Germany	C55E	1)
1) Remark: Steel C55E is applicable for larger parts in vehicle manufacturing, engine and machine engineering undergoing a surface hardening (e.g. gear wheels, screws, shafts).

Chemical Composition

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

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]	Reduction of Area [%]	Hardness HB \| HBW	Hardness HRC	Hardness HV
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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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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Holding Time [h]	Medium
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Cross Reference

Material Name	Country	Standard
55	China	GB/T 699	1)
55	China	GB/T 710	1)
55	China	GB/T 3275	1)
55	China	GB/T 8749	1)
U20552	China	ISC	1)
1.1203	Europe	EN 10083-2
C55E	Europe	EN 10083-2
C55E	Europe	EN ISO 683-1
55C8	India	IS 5517	1)
C55E	International	ISO 683-1
S55C	Japan	JIS G 4051	2)
SM55C	South Korea	KS D 3752	1)
55	Russia	GOST 1050	1)
A29 Grade 1055	USA	ASTM A29	1)
A510 Grade 1055	USA	ASTM A510	1)
A576 Grade 1055	USA	ASTM A576	1)
A827 Grade 1055	USA	ASTM A827	1)
A830 Grade 1055	USA	ASTM A830	3)
G10550	USA	UNS	1)
1055	USA	SAE	1)
Ck 55	Germany		1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: DIN EN ISO 683-1 : 2018-09
3) Source: EN ISO 683-1 : 2018-06

Producer/Supplier/Trade names

Tradename	Supplier
C55E	AG der Dillinger Hüttenwerke, Dillingen
DIMO C55	AG der Dillinger Hüttenwerke, Dillingen
Ck 55	ASCOMETAL GmbH, Erkrath
C55E	BESSEY Tool GmbH & Co. KG, Bietigheim-Bissingen
BGH 1203	BGH Edelstahl Siegen GmbH
Buderus Ck 55	Buderus Edelstahl GmbH, Wetzlar
C55E	Tata Steel, IJmuiden
DIRO-C55E	DIROSTAHL, Remscheid
1.1203	DWK Drahtwerk Köln GmbH, Köln
C55E	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
THYROFORT C55E	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
1.1203	ET Edelstahl-Trading GmbH, Willich
C55E	EZM Edelstahlzieherei Mark GmbH, Wetter
C55E	C.D. Wälzholz GmbH & Co. KG, Hagen
C55E	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
C55E	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
C55E	Hoesch Hohenlimburg GmbH, Hagen
1.1203	INTERSTAHL Service GmbH, Wetter
C55E	Ilsenburger Grobblech GmbH, Ilsenburg
C55E	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
C55E	Klöckner & Co SE, Duisburg
1.1203	SIJ MWT GmbH, Landsberg am Lech
C55E	OVAKO STAHL GmbH, Erkrath
1.1203	Platestahl Umformtechnik GmbH, Lüdenscheid
C55E	Swiss Steel International GmbH, Düsseldorf
C55E	Saarstahl AG, Völklingen
C55E	Salzgitter Flachstahl GmbH, Salzgitter
C55E	Schmiedewerke Gröditz GmbH, Gröditz
C55E	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
C55E	Stahlwerk Unna GmbH & Co.KG, Unna
C55E	ThyssenKrupp Steel Europe AG, Duisburg
C55E	Vallourec Deutschland GmbH, Düsseldorf
C55E	pauly STAHLHANDEL, Essen
C55E	voestalpine AG, Linz

Material Compliance

REACh	RoHS
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FKM Guideline Fatigue Strength

Condition	Nominal Size [mm]	Tensile Strength [MPa]	Yield Strength [MPa]	Fatigue Limit under rev. Tension-Compression Stresses [MPa]	Fatigue Strength under pulsating Tensile Stresses [MPa]	Bending Fatigue Strength [MPa]	Shear Fatigue Strength [MPa]	Torsion Fatigue Strength [MPa]	Constant a for size factor Kd for yield stress Rp	Constant a for size factor Kd for tensile strength Rm
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Hardenability (Jominy test)

Condition	Front Distance [mm]	Hardness HRC (+H grade)	Hardness HRC (+HH grade)
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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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Yield strength

Temperature [°C]	0.1% Proof strength [MPa]	0.2% Proof strength [MPa]	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	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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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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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	blur	blur	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
blur	blur	blur	blur	blur	blur	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
blur	blur	blur	blur	blur	blur	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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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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C55E | 1.1203 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

FKM Guideline Fatigue Strength

Hardenability (Jominy test)

C55E (1.1203; DIN EN ISO 683-1 : 2018-09)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

C55E (normalized or normalized formed (+N); 16.000mm)

Tensile strength

Classification

C55E (normalized or normalized formed (+N); forging; 0.000-16.000mm)

Yield strength

Tensile strength

Classification

C55E (normalized or normalized formed (+N); forging; 100.000-250.000mm)

Yield strength

Tensile strength

Classification

C55E (normalized or normalized formed (+N); forging; 16.000-100.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); 16.000mm)

Tensile strength

Classification

C55E (quenched and tempered (+QT); drop forging; 0.000-16.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); drop forging; 16.000-40.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); drop forging; 40.000-100.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); wide flat; 0.000-8.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); wide flat; 20.000-60.000mm)

Yield strength

Tensile strength

Classification

C55E (quenched and tempered (+QT); wide flat; 8.000-20.000mm)

Yield strength

Tensile strength

Classification