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SAE AMS6421D

Заменен
Steel, Bars, Forgings, and Tubing 0.80Cr - 0.85Ni - 0.20Mo - 0.003B (0.35 - 0.40C) (Modified 98B37)
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
Тематика
Materials properties
Steel
Ferrous metals and alloys
Ferrous metals
Metallurgy