38Si7 | 1.5023 Material Datasheet

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	Predecessor	Remark
1.5023 (DIN EN 10089 : 2003-04)	1.5023	DIN EN 10089 : 2003-04	Supersedes DIN 17221 : 1988-12	Valid	Germany	38 Si 7	The steel 38Si7 is used for spring rings, spring plates, screw locks and load securing devices.

Chemical Composition

C [%]	Mn [%]	P [%]	S [%]	Si [%]	Source	Remark
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Mechanical Properties

Semi-finished Product	Condition	Temperature [°C]	Specimen Direction	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Reduction of Area [%]	Hardness HB \| HBW	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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Toughness Data (Impact)

Condition	Temperature [°C]	Specimen Shape	Specimen Direction	Notch Impact Energy [J]	Source	Remark
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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Medium	Source	Remark
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Cross Reference

Material Name	Country	Standard	Source
38Si7	Europe	EN 10089
36Si7	India	IS 1570-4	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
38Si7	International	ISO 683-14	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
1.5023	INTERSTAHL Service GmbH, Wetter
38Si7	Hoesch Hohenlimburg GmbH, Hagen
38Si7	Salzgitter Flachstahl GmbH, Salzgitter
38Si7	Saarstahl AG, Völklingen
38Si7	Swiss Steel International GmbH, Düsseldorf
38Si7	Stahlwerk Unna GmbH & Co.KG, Unna
38Si7	C.D. Wälzholz GmbH & Co. KG, Hagen
38Si7	WDI - Westfälische Drahtindustrie GmbH, Hamm
38Si7	ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
38Si7	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
38Si7	voestalpine AG, Linz
38Si7	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
38Si7	Sidenor Deutschland, Düsseldorf
38Si7	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
38Si7	Lech-Stahlwerke GmbH, Meitingen
40 S 7	ASCOMETAL GmbH, Erkrath
Klöckner 38Si7	Klöckner & Co SE, Duisburg
THYROFORT 38Si7	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
Ovako 9040	OVAKO STAHL GmbH, Erkrath

Material Compliance

REACh	RoHS
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Hardenability (Jominy test)

Front Distance [mm]	Hardness HRC (+H grade)	Hardness HRC (+HH grade)	Source	Remark
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38Si7 (1.5023; DIN EN 10089 : 2003-04)

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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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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38Si7 (quenched and tempered (+QT))

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	Source description
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38Si7 | 1.5023 Material Datasheet

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]

Toughness Data (Impact)

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

Hardenability (Jominy test)

38Si7 (1.5023; DIN EN 10089 : 2003-04)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

38Si7 (quenched and tempered (+QT))

Yield strength

Tensile strength

Classification

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