4130 (E4130) Alloy Steel, AISI 4130 (E4130), Sheet, Plate ...
About 4130 (E4130) Alloy Steel Aircraft quality 4130 alloy steel is a medium carbon, low alloy steel containing /% molybdenum and /% chromium as strengthening agents. This type of steel is also commonly referred to as a chromoly steel, or chrome moly steel.