AISI 4140 Pipes| A519 AISI 4140 Pipes| AISI 4140 Alloy Steel.
We stocks all AISI 4140 Pipes 4140 Tubing 4140 Flanges 4140 Pipes Fittings 4140 Elbow etc. The carbon content is nominally 0.30% and with this relatively low carbon content the alloy is excellent from the fusion weldability standpoint. The alloy can be hardened by heat treatment. Typical applications for 4140 low alloy steel include structural use such as aircraft engine mounts and welded.