Ck 55 | 1.1203 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
1.1203 (DIN 17222 : 1979-08) Ck 55 1.1203 DIN 17222 : 1979-08 DIN 17222 : 1979-08 replaced by DIN EN 10132-1 : 2000-05 and DIN EN 10132-4 : 2003-04 Replaced Germany 1.1.1 1)
1) Remark: The steel Ck 55 is used as cold rolled steel strip for springs with high dimensional accuracy and surface condition up to 2.0 mm thicknesses.

Chemical Composition

C [%] Mn [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Elongation A80 [%] 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] Medium
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Cross Reference

Material Name Country Standard
C50RR France NF
CS50 Great Britain BS
CS 55 International ISO 4991-99
S 55 C-CSP Japan JIS G 4802

Producer/Supplier/Trade names

Tradename Supplier
1.1203 INTERSTAHL Service GmbH, Wetter
1.1203 ET Edelstahl-Trading GmbH, Willich
1.1203 SIJ MWT GmbH, Landsberg am Lech
BGH 1203 BGH Edelstahl Siegen GmbH
BS070M55 Ruukki Deutschland GmbH, Duisburg
Buderus Ck 55 Buderus Edelstahl GmbH, Wetzlar
C 55 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
C55E Hoesch Hohenlimburg GmbH, Hagen
C55E Salzgitter Flachstahl GmbH, Salzgitter
C55E ThyssenKrupp Steel Europe AG, Duisburg
C55E Saarstahl AG, Völklingen
C55E Swiss Steel International GmbH, Düsseldorf
C55E Platestahl Umformtechnik GmbH, Lüdenscheid
C55E Stahlwerk Unna GmbH & Co.KG, Unna
C55E C.D. Wälzholz GmbH & Co. KG, Hagen
C55E Böllinghaus Steel GmbH, Hilden
C55E BESSEY Tool GmbH & Co. KG, Bietigheim-Bissingen
C55E Schmiedewerke Gröditz GmbH, Gröditz
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 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
C55E Klöckner & Co SE, Duisburg
C55E Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
C55E pauly STAHLHANDEL, Essen
Ck 55 AG der Dillinger Hüttenwerke, Dillingen
Ck 55 Hoesch Hohenlimburg GmbH, Hagen
Ck 55 ThyssenKrupp Steel Europe AG, Duisburg
Ck 55 DIROSTAHL, Remscheid
Ck 55 Schmiedewerke Gröditz GmbH, Gröditz
Ck 55 Vallourec Deutschland GmbH, Düsseldorf
Ck 55 voestalpine AG, Linz
Ck 55 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
Ck 55 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
Ck 55 Sidenor Deutschland, Düsseldorf
Ck 55 ASCOMETAL GmbH, Erkrath
Ck 55 Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
Ck 55 Imet Industriemetall Handelsgesellschaft mbH, Hamburg
Ck 55 Ruukki Deutschland GmbH, Duisburg
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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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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Tensile strength

Temperature [°C] Tensile strength [MPa]
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