20Cr4 | 1.7027 Material Datasheet
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| Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Remark |
|---|---|---|---|---|---|---|
| 1.7027 (DIN EN 10277 : 2018-09) | 1.7027 | DIN EN 10277 : 2018-09 | Supersedes DIN EN 10277-4 : 2008-06 | Valid | Germany | Alloy case-hardening steel for case-hardened machine parts. |
Chemical Composition
| C [%] | Cr [%] | Cu [%] | Mn [%] | P [%] | S [%] | Si [%] | Source |
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Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Hardness HB | HBW | Source |
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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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Unlock NowDifferential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]
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Unlock NowCross Reference
| Material Name | Country | Standard | Source |
|---|---|---|---|
| 20CrH | China | GB/T 5216 | EN ISO 683-3 : 2018-06 |
| A20207 | China | ISC | Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach |
| 20Cr4 | Europe | EN 10277 | |
| 1.7027 | Europe | EN ISO 683-3 : 2018-06 | |
| 20Cr4 | Europe | EN ISO 683-3 | |
| 20Cr4 | International | ISO 683-3 | |
| SCr420 | Japan | JIS G 4052 | EN ISO 683-3 : 2018-06 |
| SCr420H | Japan | JIS G 4052 | EN ISO 683-3 : 2018-06 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| 20Cr4 | HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach |
| 20Cr4 | INTERSTAHL Service GmbH, Wetter |
| 20Cr4 | Klöckner Stahl- und Metallhandel GmbH, Bremen |
| 20Cr4 | pauly STAHLHANDEL, Essen |
| 20Cr4 | Salzgitter Mannesmann Stahlhandel GmbH, Düsseldorf |
| 20Cr4 | Swiss Steel International GmbH, Düsseldorf |
| 20Cr4 | ThyssenKrupp Schulte GmbH, Essen |
Material Compliance
| REACh | RoHS |
|---|---|
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20Cr4 (1.7027; DIN EN 10277 : 2018-09)
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Poisson's ratio |
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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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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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