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C55E | 1.1203 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
1.1203 (DIN EN 10083-2 : 2006-10) C55E 1.1203 DIN EN 10083-2 : 2006-10 DIN EN 10083-2 : 2006-10 replaced by DIN EN ISO 683-1 : 2018-09 Replaced Germany C55E C55E 1.1.1 1)
1) Remark: Steel C55E is suitable for larger parts in vehicle manufacturing, 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 [%] 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 [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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Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC (+H grade) Hardness HRC (+HH grade) Hardness HRC (+HL grade)
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FKM Guideline Fatigue Strength

Semi-finished Product 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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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 711 1)
U20552 China 1)
C55E Europe EN 10083-2
55C8 India IS 5517 1)
C55E International ISO 683-1 1)
S55C Japan JIS G 4051 1)
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)
G10550 USA UNS 1)
1055 USA SAE 1)
Ck 55 Germany 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename Supplier
C55E AG der Dillinger Hüttenwerke, Dillingen
1.1203 Platestahl Umformtechnik GmbH, Lüdenscheid
1.1203 INTERSTAHL Service GmbH, Wetter
1.1203 ET Edelstahl-Trading GmbH, Willich
1.1203 SIJ MWT GmbH, Landsberg am Lech
1.1203 DWK Drahtwerk Köln GmbH, Köln
BGH 1203 BGH Edelstahl Siegen GmbH
Buderus Ck 55 Buderus Edelstahl GmbH, Wetzlar
C45E Saarstahl AG, Völklingen
C55E Hoesch Hohenlimburg GmbH, Hagen
C55E Salzgitter Flachstahl GmbH, Salzgitter
C55E ThyssenKrupp Steel Europe AG, Duisburg
C55E Swiss Steel International GmbH, Düsseldorf
C55E Stahlwerk Unna GmbH & Co.KG, Unna
C55E C.D. Wälzholz GmbH & Co. KG, Hagen
C55E BESSEY Tool GmbH & Co. KG, Bietigheim-Bissingen
C55E Ilsenburger Grobblech GmbH, Ilsenburg
C55E Schmiedewerke Gröditz GmbH, Gröditz
C55E OVAKO STAHL GmbH, Erkrath
C55E Vallourec Deutschland GmbH, Düsseldorf
C55E Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
C55E voestalpine AG, Linz
C55E HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
C55E Tata Steel, IJmuiden
C55E EZM Edelstahlzieherei Mark GmbH, Wetter
C55E Klöckner & Co SE, Duisburg
C55E Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
C55E Imet Industriemetall Handelsgesellschaft mbH, Hamburg
C55E pauly STAHLHANDEL, Essen
C55E Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
Ck 55 ASCOMETAL GmbH, Erkrath
DIMO C55 AG der Dillinger Hüttenwerke, Dillingen
DIRO-C55E DIROSTAHL, Remscheid
THYROFORT C55E Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten

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] Bulk 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 Mean stress [MPa] 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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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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