3140 Round Bar — Listings

All 3140 Round Bar listings on M-EX.

All 3140 Forms Alloy Steel

Grade Details

Grade	3140
Standard	AISI
Description	AISI 3140 is a nickel-chromium alloy steel with good toughness and fatigue resistance. It can be heat treated to achieve higher mechanical strength.
Applications	Used for gears, shafts, axles, connecting rods, forgings, and heavy-duty machinery parts.

Active 3140 Round Bar Listings 1

3140 Round Bar

2.900 MT · Closes 20 May 2026

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Related: All Round Bar grades · Alloy Steel