Ck 75 | 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	Remark
1.1248 (DIN 17222 : 1979-08)	1.1248	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	The steel Ck 75 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 [%]	Source
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Mechanical Properties

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

Material Name	Country	Standard
C75RR	France	NF
CS80	Great Britain	BS
CS 75	International	ISO 4991-99
C 75	Italy	UNI 3545
1774	Sweden	SS 141874
1075	USA	SAE 403

Producer/Supplier/Trade names

Tradename	Supplier
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
15 LM	voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
BGH 1248	BGH Edelstahl Siegen GmbH
Buderus Ck 75	Buderus Edelstahl GmbH, Wetzlar
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	voestalpine AG, Linz
C75E	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
C75S	ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
C75S	pauly STAHLHANDEL, Essen
Ck 75	Hoesch Hohenlimburg GmbH, Hagen
Ck 75	Salzgitter Flachstahl GmbH, Salzgitter
Ck 75	ThyssenKrupp Steel Europe AG, Duisburg
Ck 75	DIROSTAHL, Remscheid
Ck 75	Walzwerke Einsal GmbH, Nachrodt
Ck 75	Willy Haecker GmbH, Hückeswagen
Ck 75	Stahlwerk Unna GmbH & Co.KG, Unna
Ck 75	Stahlrump GmbH & Co.KG, Iserlohn
Ck 75	Böllinghaus Steel GmbH, Hilden
Ck 75	Schmiedewerke Gröditz GmbH, Gröditz
Ck 75	voestalpine AG, Linz
Ck 75	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
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	Klöckner & Co SE, Duisburg
Ck 75	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
Ck 75	Wilhelm Jungermann GmbH, Remscheid
Ck 75	Ruukki Deutschland GmbH, Duisburg
Ck75	Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
DE 1248	Dörrenberg Edelstahl GmbH, Engelskirchen
DIRO-C75E	DIROSTAHL, Remscheid
EBERLE 13	J. N. Eberle & Cie. GmbH, Augsburg
THYROFORT C75S	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
UHB 15	voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
WESTIG 1.1248	Stahlwerk Ergste Westig GmbH, Schwerte

Material Compliance

REACh	RoHS
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Ck 75 (1.1248; DIN 17222 : 1979-08)

Linear-elastic

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

Temperature [°C]	Stress ratio	Alternating stress [MPa]	Cycles
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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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Ck 75 (cold rolled and soft annealed (+C+A); strip; 0.000-3.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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Ck 75 (cold rolled, quenched and tempered (+C+QT); strip; 0.000-2.500mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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Ck 75 | 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

Ck 75 (1.1248; DIN 17222 : 1979-08)

Linear-elastic

Alternating stress

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

Ck 75 (cold rolled and soft annealed (+C+A); strip; 0.000-3.000mm)

Tensile strength

Classification

Ck 75 (cold rolled, quenched and tempered (+C+QT); strip; 0.000-2.500mm)

Tensile strength

Classification

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