ASTM A 681 Type H21 Tool steels
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This material has 177 properties — only a subset is shown here.
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ASTM A 681 Type H21 Chemical Composition
A681: 2024 / Standard Specification for Tool Steels Alloy
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ASTM A 681 Type H21 Physical Properties
Temperature
This material has 177 properties — only a subset is shown here.
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ASTM A 681 Type H21 Heat Treatments
- Preheat: 788°C (1450°F)
Austenitizing: Salt Bath: 1177°C (2150°F), Controlled Atmosphere Furnaces: 1191°C (2175°F)
Austenitizing time: 5-15 minutes
Quench Medium: Air
Tempering: 552°C (1025°F)
Double-tempered for 2h each cycle
ASTM A 681 Type H21 Mechanical Properties
Temperature
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ASTM A 681 Type H21 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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- 70Cross References
- 9Composition
- 3Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 40Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 51Total Suppliers