PROPRIETARY CarTech M-50 High Speed Steel Aceros estructurales y de construcción
Actualizaciones de datos
Este material cuenta con 98 propiedades — aquí solo se muestra una parte.
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PROPRIETARY CarTech M-50 High Speed Steel Composición química
Carpenter Technology Corporation, Product Data Sheets,
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PROPRIETARY CarTech M-50 High Speed Steel Propiedades físicas
Temperatura
Este material cuenta con 98 propiedades — aquí solo se muestra una parte.
Consulta propiedades físicas detalladas en distintas temperaturas y condiciones.
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PROPRIETARY CarTech M-50 High Speed Steel Tratamiento Térmico
- Decarburization: Must be heat treated from a relatively high temperature, it must be protected from changes in surface chemistry during the hardening operation. This is best done by treating from neutral salt baths or from controlled atmosphere furnaces. A dew point of -9.4 to -6.7°C (15 to 20°F) is usually satisfactory to prevent decarburization during hardening.
Normalizing: Normalizing is not recommended.
Annealing: Heat uniformly to 843-899°C (1550-1650°F), then cool slowly in the furnace at a rate of no more than 11°C (20°F) per hour. The slow cooling rate should be maintained until the furnace is black. The furnace may then be turned off and allowed to cool naturally.
Hardening: The following is a specific recommendation for heat treating to produce optimum stability: Preheat at 816°C (1500°F) and equalize, then transfer to superheated furnace at 1100°C (2010°F). Superheat only long enough to allow the piece to reach superheated furnace temperature and follow immediately by quenching to room temperature. Following quenching, cool the part to approximately -73°C (-100°F) and hold for one hour. Following cooling, double temper at 538°C (1000°F). This should produce a hardness of Rockwell C 62/64 and optimum stability so far as size change during service is concerned. An additional general hardening recommendation would be to preheat to 816-871°C (1500-1600°F), followed by superheating from 1093-1121°C (2000-2050°F). The parts may be oil, air or high temperature salt quenched.
Stress relieving: To relieve machining stresses for greater accuracy in hardening - first, rough machine, then anneal below the critical at 649-977°C (1200-1250°F) a minimum of one hour at temperature and cool slowly - then finish machine.
Tempering: Temper immediately after the pieces have been cooled in the quench. The normal tempering range is from 525-552°C (975-1025°F). Double tempering is desirable with two hours at heat being the recommended time for each temper. The pieces should be cooled back to room temperature between tempers.
Forging: Preheat to 760-816°C (1400-1500°F) and allow pieces to equalize, then increase the furnace temperature to 1066-1121°C (1950-2050°F). Do not forge below 982°C (1800°F). Reheat as often as required to maintain forging temperature. After forging pieces may be cooled in the furnace or in lime or ashes. When cooled, the forgings should be annealed.
PROPRIETARY CarTech M-50 High Speed Steel Propiedades mecánicas
Temperatura
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PROPRIETARY CarTech M-50 High Speed Steel Materiales equivalentes internacionales
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- 3Referencias cruzadas
- 10Composición
- 70Propiedades mecánicas
- 10Propiedades físicas
- 1Tratamiento térmico
- -Metalografía
- -Maquinabilidad
- -Esfuerzo-Deformación
- -Conformabilidad
- -Fatiga
- -Fractura
- -Bicho raro
- -Uniones
- -Revestimientos
- -Dimensiones
- -Tribología
- -Corrosión
- -Envejecimiento
- -Resistencia a la intemperie
- -Irradiación
- 4Proveedores Totales