40 Round Bar — Listings

All 40 Round Bar listings on M-EX.

All 40 Forms Carbon Steel

Grade Details

Grade	40
Standard	GOST 1050
Description	40 is a medium carbon steel with balanced strength and machinability. It responds well to heat treatment for improved hardness and wear resistance.
Applications	Used for shafts, gears, axles, bolts, and machine structural parts.

Active 40 Round Bar Listings 1

40 Round Bar

6.500 MT · Closes 20 May 2026

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Related: All Round Bar grades · Carbon Steel