PROPRIETARY Speed Star High Speed Steel Tool steels
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PROPRIETARY Speed Star High Speed Steel Chemical Composition
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PROPRIETARY Speed Star High Speed Steel Physical Properties
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PROPRIETARY Speed Star High Speed Steel Heat Treatments
- Normalizing is not recommended; Annealing: Packed in a suitable container, using a neutral packing compound, or placed in a controlled atmosphere furnace. Heat to 843/871°C and cool very slowly in the furnace at a rate of not more than 11°C per hour until the furnace is black and then cool naturally. This will produce a max. hardness of Brinell 248; Hardening: Preheat to 760/816°C, then transfer to a superheating furnace with a temperature at 1177/1232°C. When neutral salt baths are used for hardening, the temperature should be dropped 14°C. Quench in oil below 93°C before tempering (cool enough to hold in your hand). Small sizes under 25.4mm in diameter, or delicate sections may be hardened by cooling in still air or quench in molten salt at temperatures of 538/593°C, equalizing for 5 minutes per 25.4mm followed by air cooling; Stress relieving: Heat to a temperature of 649/677°C, hold for a min. of one hour at temperature and cool slowly; Tempering: After quenching, tempered to a range of 552/566°C. To secure max. toughness and Rockwell hardness of about C 62 first harden at 1093/1150°C and temper in the range of 371/482°C and two hour temper at 566/593°C.
PROPRIETARY Speed Star High Speed Steel Mechanical Properties
Temperature
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PROPRIETARY Speed Star High Speed Steel International Equivalent Materials
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- 19Cross References
- 8Composition
- 24Mechanical Properties
- 12Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
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