SAE 6556 Structural and constructional steels
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This material has 22 properties — only a subset is shown here.
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SAE 6556 Chemical Composition
SAE AMS 6556A: 2018 / Steel, Bars, Wire, and Forgings 8V - 4Cr - 4W - 3Mo (2.45 - 2.55C) Powder Metallurgy Product Hot Isostatically Pressed
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SAE 6556 Physical Properties
Temperature
This material has 22 properties — only a subset is shown here.
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SAE 6556 Heat Treatments
- Heat treatment: Preheat in two steps at 450 to 500°C (842 to 932°F) and at 850 to 900°C (1562 to 1652°F), hold for one minute at each temperature, austenitize at 1179°C (2155°F), quench down to 38 to 49°C (100 to 120°F) or lower in air, temper three times at 560°C (1040°F) at least 1 hour at temperature each time, air cool to room temperature 25°C (77°F) between tempers.
SAE 6556 Mechanical Properties
Temperature
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SAE 6556 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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- 2Cross References
- 11Composition
- 4Mechanical Properties
- 3Physical Properties
- 1Heat Treatment
- -Metallography
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