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Ck 101 | 1.1274 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
1.1274 (DIN 17222 : 1979-08) Ck 101 1.1274 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 101 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
C100RR France NF
CS95 Great Britain BS
CS 95 International ISO 4991-99
C 100 Italy UNI 3545
SK 4-CSP Japan JIS G 4802
1870 Sweden SS 141870
1095 USA SAE 403

Producer/Supplier/Trade names

Tradename Supplier
1.1274 H. Kleineberg GmbH, Stelle
1.1274 INTERSTAHL Service GmbH, Wetter
1.1274 SIJ MWT GmbH, Landsberg am Lech
Buderus Ck 101 Buderus Edelstahl GmbH, Wetzlar
C100S pauly STAHLHANDEL, Essen
C101E Hoesch Hohenlimburg GmbH, Hagen
C101E ThyssenKrupp Steel Europe AG, Duisburg
C101E C.D. Wälzholz GmbH & Co. KG, Hagen
Ck 101 Hoesch Hohenlimburg GmbH, Hagen
Ck 101 ThyssenKrupp Steel Europe AG, Duisburg
Ck 101 Stahlwerk Unna GmbH & Co.KG, Unna
Ck 101 Stahlrump GmbH & Co.KG, Iserlohn
Ck 101 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
CK 101 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
Ck 101 Sidenor Deutschland, Düsseldorf
Ck 101 Klöckner & Co SE, Duisburg
Ck 101 Imet Industriemetall Handelsgesellschaft mbH, Hamburg
EBERLE 18 J. N. Eberle & Cie. GmbH, Augsburg
THYROFORT C100S Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
UHB 20 C voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
WESTIG 1.1274 Zapp Precision Metals GmbH, Schwerte