38Si7 | 1.5023 Material Datasheet
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| Material Number | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|
| 1.5023 (DIN EN 10089 : 2003-04) | 1.5023 | DIN EN 10089 : 2003-04 | Supersedes DIN 17221 : 1988-12 | Valid | Germany | 38 Si 7 | 1.1 | 1) |
| 1) Remark: The steel 38Si7 is used for spring rings, spring plates, screw locks and load securing devices. |
Chemical Composition
| C [%] | Mn [%] | P [%] | S [%] | Si [%] | |
|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||
| 2) Remark: blur |
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 | |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| 1) Source: blur | |||||||||
| 2) Remark: blur | |||||||||
| 3) Remark: blur |
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)] | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)3) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 4) |
| 1) Source: blur | |||||||||||
| 2) Remark: blur | |||||||||||
| 3) Remark: blur | |||||||||||
| 4) Source: blur |
Toughness Data (Impact)
| Condition | Temperature [°C] | Specimen Shape | Specimen Direction | Notch Impact Energy [J] | |
|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||
| 2) Remark: blur |
Heat Treatment
| Heat Treatment | Step | Temperature [°C] | Medium | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||
| 2) Remark: blur |
Cross Reference
| Material Name | Country | Standard | |
|---|---|---|---|
| 38Si7 | Europe | EN 10089 | |
| 36Si7 | India | IS 1570-4 | 1) |
| 38Si7 | International | ISO 683-14 | 1) |
| 1) Source: 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 |
|---|---|
| blur | blur |
Hardenability (Jominy test)
| Front Distance [mm] | Hardness HRC (+H grade) | Hardness HRC (+HH grade) | |
|---|---|---|---|
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| blur | blur | blur | 1)2) |
| 1) Source: blur | |||
| 2) Remark: blur |
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Bulk modulus [GPa] | Shear modulus [GPa] | Poisson's ratio |
|---|---|---|---|---|
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
Alternating stress
| Temperature [°C] | Stress ratio | Mean stress [MPa] | Alternating stress [MPa] | Cycles |
|---|---|---|---|---|
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | blur | blur |
Electrical resistivity
| Temperature [°C] | Specific electrical resistance [µΩm] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Coefficient thermal expansion
| Related Temperature [°C] | Temperature [°C] | Coefficient thermal expansion [10^-6*K^-1] |
|---|---|---|
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
Specific heat
| Temperature [°C] | Specific heat [kJ/(kg*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Density
| Temperature [°C] | Density [g/cm³] |
|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Thermal conductivity
| Temperature [°C] | Thermal conductivity [W/(m*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
Designation
| Designation | Material number | Source |
|---|---|---|
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |