PROPRIETARY HG 2550 Tool steels
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PROPRIETARY HG 2550 Chemical Composition
Cold Work Tool Steels, HG2510, Huang Limited, 2017
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PROPRIETARY HG 2550 Physical Properties
Temperature
This material has 143 properties — only a subset is shown here.
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PROPRIETARY HG 2550 Heat Treatments
- Forging:
Heat slowly and begin forging at 850-1050°C, after forging cool slowly preferably in a furnace.
Soft Annealing:
Annealing must be performed after hot working and before re-hardening. Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1425 – 1475°F (773 – 801°C), and hold at temperature for 1 hour per inch (25.4mm) of maximum thickness; 2 hours minimum. Then cool slowly with the furnace at a rate not exceeding 50°F per hour (28°C per hour) to 1000°F (538°C). Continue cooling to ambient temperature in the furnace or in air.
Stress Relieving:
Annealing must be performed after hot working and before re-hardening.
Hardening:
Preheating:
Heat at a rate not exceeding 400°F per hour (222°C per hour). For complex and large tools, heat to 1150-1250°F (621-677°C) and equalize. Then heat to 1300-1400°F (704-760°C) and equalize. For simple geometries, use only the second preheating temperature range.
Austenitizing (High Heat): Heat slowly from the preheat. For Oil Quenching: 1600 – 1700°F (871 – 927°C) For Water Quenching: 1550 – 1650°F (842 – 899°C) Soak for 30 minutes for the first inch (25.4 mm) of thickness, plus 15 minutes for each additional inch (25.4 mm) of thickness.
Quenching:
Oil or water to 150-125°F (66-51°C).
Tempering:
Temper immediately after quenching. Hold at temperature for 1 hour per inch (25.4 mm) of thickness, 2 hours minimum, then air cool to ambient temperature. The typical tempering range is 300 to 600°F (149 to 316°C). Double tempering is recommended for tempering temperatures of 900°F (482°C) and higher.
PROPRIETARY HG 2550 Mechanical Properties
Temperature
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PROPRIETARY HG 2550 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 73Cross References
- 8Composition
- 1Mechanical Properties
- 3Physical Properties
- 2Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 56Total Suppliers