ASTM A 646 Grade 4340 Structural and constructional steels
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This material has 126 properties — only a subset is shown here.
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ASTM A 646 Grade 4340 Chemical Composition
A646/A646M: 2025 / Standard Specification for Premium Quality Alloy Steel Blooms and Billets for Forgings
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ASTM A 646 Grade 4340 Physical Properties
Temperature
This material has 126 properties — only a subset is shown here.
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ASTM A 646 Grade 4340 Mechanical Properties
Temperature
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ASTM A 646 Grade 4340 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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- 80Cross References
- 9Composition
- 1Mechanical Properties
- 3Physical Properties
- -Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 33Total Suppliers