AISI 4140 Steel round bars

AISI 4140 alloy steel round bar is widely used as a quenching and tempering steel round bar. AISI 4140 forged round bar contains high C and Cr elements,so its strength and hardenability are very good. After quenching and high temperature tempering, AISI 4140 hot rilled steel round bar owns high fatigue resistance and impact-with standing, good tenacity at low impact, and without tempering fragility.

AISI 4140 round bar

AISI 4140 alloy steel round bar can be produced into hot rolled round bars and square bars, cold-drawing bars,forged bars. We henan KUNFENG can supply AISI 4140 all of shapes.

We are a AISI 4140 round bar exporter in China. According to the market needs, henan KUNFENG supply the oversea markets for 4140 hot rolled round bars OD 6mm -80 mm and 4140 forged round bars OD 80 mm - 1200 mm, also 4140 forged square bars OD 100- 1200 mm. The OD tolerance is about 0-3 mm and length tolerance is about 0-20 mm.

AISI 4140 steel round bars are usually produced under the followed procedures: EAF arc furnace + LF purify affinage + VDF + ingot steel(bottom gating /argon) + forged + annealing + black polishing (turnery) + Sep 1921-C/c,D/d,E/e UT test + smooth edges with sawing.

AISI 4140 round bars chemical composition by %,maximum:

AISI 4140 round bars mechanical properties

If you want to get AISI 4140 steel round bar quotation, or other alloy steel round bar,pls be free to send us your AISI 4140 steel round bar inquiry.

Tags: AISI 4130, 8620,SAE1035