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SAE AMS 6381K-2022
Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140)
This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.
Society of Automotive Engineers [sae]
This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.