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C100S | 1.1274 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
1.1274 (DIN EN 10132-4 : 2003-04) 1.1274 DIN EN 10132-4 : 2003-04 DIN EN 10132-4 : 2003-04 replaced by DIN EN 10132 : 2021-11 Replaced Germany C100S 1.1 1)
1) Remark: The steel C100S is used as cold rolled strip for springs and special applications in thicknesses of up to 6 mm and as tempered cold strip in thicknesses from 0.30 to 3.00 mm. The springs made of steel C100S are suitable for highly stressed tension springs, especially in the watch industry, as well as for pen nibs.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%]
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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 A80 [%] Hardness HB | HBW Hardness HRC Hardness HV
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Physical Properties

Temperature [°C] Density [g/cm³] Young's 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 Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
C100S Europe EN 10132-4
98C6 India IS 2507 1)
8 India IS 2507 1)
SK95-CSP Japan JIS G 4802 1)
A684 Grade 1095 USA ASTM A684 2)
1095 USA AISI 2)
G10950 USA ASTM A684 2)
Ck 101 Germany 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
Ck 101 Hoesch Hohenlimburg GmbH, Hagen
Ck 101 ThyssenKrupp Steel Europe AG, Duisburg
Ck 101 C.D. Wälzholz GmbH & Co. KG, Hagen
1.1274 H. Kleineberg GmbH, Stelle
1.1274 INTERSTAHL Service GmbH, Wetter
1.1274 SIJ MWT GmbH, Landsberg am Lech
C100S ArcelorMittal Commercial Germany, Cologne
C100S Buderus Edelstahl GmbH, Wetzlar
C100S Chesterfield Special Cylinders Ltd, Sheffield
C101E Hoesch Hohenlimburg GmbH, Hagen
C101E ThyssenKrupp Steel Europe AG, Duisburg
C101E C.D. Wälzholz GmbH & Co. KG, Hagen
Ck 101 Walzwerke Einsal GmbH, Nachrodt
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 BWS, Iserlohn-Letmathe, Servicecenter/Verwaltung, Iserlohn
Ck 101 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
Ck 101 Sidenor Deutschland, Düsseldorf
Ck 101 Imet Industriemetall Handelsgesellschaft mbH, Hamburg
Klöckner Ck 101 Klöckner & Co SE, Duisburg
THYROFORT Ck 101 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

Material Compliance

REACh RoHS
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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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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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