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Material 1.7243
acero endurecido
El material 1.7243 es un acero de cementación aleado con cromo-molibdeno. Este material se utiliza para componentes sujetos a desgaste.
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Standards
Material Category: acero endurecido
Applications
ondas
engranajes
piñón
Heat Treatment
Normalización a 840 - 870 C°, enfriamiento al aire
Recocido suave a 650 - 700 C°, enfriamiento en el horno
Carburado a 870 - 930 C°
Endurecimiento del núcleo a 840 - 870C°, temple en aceite
Recocido intermedio a 650 - 700 C°
Endurecimiento a 810 - 830 C°, temple en aceite o agua
Temple a 170 - 210 C°
Weldability
18CrMo4 suele ser soldable
Chemical Composition
| C % | Si % | Mn % | P % | S % | Cr % | Mo % |
| 0,15 - 0,21 | max 0,40 | 0,60 - 0,90 | max 0,025 | max 0,035 | 0,90 - 1,20 | 0,15 - 0,25 |
Product Specifications
DIN EN 10084 (06/2008)
DIN EN 10250-3 (12/1999)
DIN EN 10263-3 (02/2018)
DIN EN ISO 683-3 (04/2019)
Mechanical Properties
| DIN EN 10084 (06/2008) Einsatzstähle. | ||
| behandelt auf Härtespanne | Härte [HBW] | 156 - 207 HBW |
| behandelt auf Ferrit-Perlit Gefüge und Härtespanne | Härte [HBW] | 140 - 187 HBW |
| weichgeglüht | Härte [HBW] | <= 207 HBW |
| abgeschreckt | Stirnabschreckversuch nach Jominy (+H) | Stirnabschreckversuch nach Jominy (+HH) | Stirnabschreckversuch nach Jominy (+HL) |
| ~ 1,5 mm | 39 - 47 HRC | 42 - 47 HRC | 39 - 44 HRC |
| ~ 3 mm | 37 - 46 HRC | 40 - 46 HRC | 37 - 43 HRC |
| ~ 5 mm | 34 - 45 HRC | 38 - 45 HRC | 34 - 41 HRC |
| ~ 7 mm | 30 - 42 HRC | 34 - 42 HRC | 30 - 38 HRC |
| ~ 9 mm | 27 - 39 HRC | 31 - 39 HRC | 27 - 35 HRC |
| ~ 11 mm | 24 - 37 HRC | 28 - 37 HRC | 24 - 33 HRC |
| ~ 13 mm | 22 - 35 HRC | 26 - 35 HRC | 22 - 31 HRC |
| ~ 15 mm | 21 - 34 HRC | 25 - 34 HRC | 21 - 30 HRC |
| ~ 20 mm | <= 31 HRC | 22 - 31 HRC | <= 27 HRC |
| ~ 25 mm | <= 29 HRC | 20 - 29 HRC | <= 25 HRC |
| ~ 30 mm | <= 28 HRC | <= 28 HRC | <= 24 HRC |
| ~ 35 mm | <= 27 HRC | <= 27 HRC | <= 23 HRC |
| ~ 40 mm | <= 26 HRC | <= 26 HRC | <= 22 HRC |
| vergütet bei ~ 200 ° C | Zugfestigkeit (Rm) |
| <= 16 mm | >= 1.100 N/mm² |
| 16 - 40 mm | >= 900 N/mm² |
| 40 - 100 mm | >= 700 N/mm² |
Material request