C75S | 1.1248 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Successor	Remark
1.1248 (DIN EN 10132-4 : 2003-04)	1.1248	DIN EN 10132-4 : 2003-04	DIN EN 10132-4 : 2003-04 replaced by DIN EN 10132 : 2021-11	Replaced	Germany	C75S	The steel C75S 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 cold-rolled steel strip for springs possess a very high precision of measurements and very good state of the surface.

Chemical Composition

C [%]	Cr [%]	Mn [%]	Mo [%]	Ni [%]	P [%]	S [%]	Si [%]	Source
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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	Source	Remark
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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)]	Source
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Young's Modulus [GPa] vs Temperature [°C]

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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

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Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

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Heat Treatment

Heat Treatment	Temperature [°C]	Medium	Source
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Cross Reference

Material Name	Country	Standard	Source
75	China	GB/T 699	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
U20752	China	GB/T 699	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
C75S	Europe	EN 10132-4
75C6	India	IS 2507	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
5	India	IS 2507	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
CS 75	International	ISO 4960	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
S75CM	Japan	JIS G 3311	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
75	Russia	GOST 14959	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
75A	Russia	GOST 14959	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A684 Grade 1074	USA	ASTM A684	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
1074	USA	AISI	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
G10740	USA	ASTM A684	Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
Ck 75	Germany		Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
15 LM	voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
Ck 75	Hoesch Hohenlimburg GmbH, Hagen
Ck 75	ThyssenKrupp Steel Europe AG, Duisburg
Ck 75	DIROSTAHL, Remscheid
Ck 75	C.D. Wälzholz GmbH & Co. KG, Hagen
Ck 75	Schmiedewerke Gröditz GmbH, Gröditz
Ck 75	voestalpine AG, Linz
Ck 75	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
1.1248	H. Kleineberg GmbH, Stelle
1.1248	INTERSTAHL Service GmbH, Wetter
1.1248	Eisen-Heinzl GmbH, Selb-Erkersreuth
1.1248	SIJ MWT GmbH, Landsberg am Lech
1.1248	DWK Drahtwerk Köln GmbH, Köln
BGH 1248	BGH Edelstahl Siegen GmbH
C75E	Hoesch Hohenlimburg GmbH, Hagen
C75E	ThyssenKrupp Steel Europe AG, Duisburg
C75E	C.D. Wälzholz GmbH & Co. KG, Hagen
C75E	Schmiedewerke Gröditz GmbH, Gröditz
C75E	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
C75E	voestalpine AG, Linz
C75E	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
C75S	ArcelorMittal Commercial Germany, Cologne
C75S	Buderus Edelstahl GmbH, Wetzlar
C75S	Chesterfield Special Cylinders Ltd, Sheffield
Ck 75	Salzgitter Flachstahl GmbH, Salzgitter
Ck 75	Walzwerke Einsal GmbH, Nachrodt
Ck 75	Willy Haecker GmbH, Hückeswagen
Ck 75	Stahlwerk Unna GmbH & Co.KG, Unna
Ck 75	ZAPP AG, Ratingen
Ck 75	Stahlrump GmbH & Co.KG, Iserlohn
Ck 75	Böllinghaus Steel GmbH, Hilden
Ck 75	ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
Ck 75	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
Ck 75	BWS, Iserlohn-Letmathe, Servicecenter/Verwaltung, Iserlohn
Ck 75	Tata Steel, IJmuiden
Ck 75	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
Ck 75	Sidenor Deutschland, Düsseldorf
Ck 75	ASCOMETAL GmbH, Erkrath
Ck 75	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
DE 1248	Dörrenberg Edelstahl GmbH, Engelskirchen
DIRO-C75E	DIROSTAHL, Remscheid
Eberle 13	J. N. Eberle & Cie. GmbH, Augsburg
Klöckner Ck 75	Klöckner & Co SE, Duisburg
THYROFORT Ck 75	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
WESTIG 1.1248	Stahlwerk Ergste Westig GmbH, Schwerte

Material Compliance

REACh	RoHS
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C75S (1.1248; DIN EN 10132-4 : 2003-04)

Linear-elastic

Temperature [°C]	Young's modulus [GPa]	Poisson's ratio
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Alternating stress

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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Yield strength

Temperature [°C]	0.2% Proof 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	Source description
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Designation

Designation	Material number	Source
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C75S (soft annealed or soft annealed and skin passed (+A or +A+LC); strip; 0.300-3.000mm)

Yield strength

Temperature [°C]	0.2% Proof strength [MPa]
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Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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C75S (cold rolled (+CR); strip; 0.300-3.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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C75S (quenched and tempered (+QT); strip; 0.300-3.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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C75S | 1.1248 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Young's Modulus [GPa] vs Temperature [°C]

Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

C75S (1.1248; DIN EN 10132-4 : 2003-04)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

C75S (soft annealed or soft annealed and skin passed (+A or +A+LC); strip; 0.300-3.000mm)

Yield strength

Tensile strength

Classification

C75S (cold rolled (+CR); strip; 0.300-3.000mm)

Tensile strength

Classification

C75S (quenched and tempered (+QT); strip; 0.300-3.000mm)

Tensile strength

Classification

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