STS3 Round Bar — Listings

All STS3 Round Bar listings on M-EX.

All STS3 Forms Tool Steel

Grade Details

Grade	STS3
Standard	KS D3752
Description	STS3 is a Korean alloy tool steel grade designed for cold work tooling and impact resistant applications. It exhibits good toughness and moderate wear resistance.
Applications	Used in chisels, punches, dies, shear tools, gauges, and hand tools.

Active STS3 Round Bar Listings 1

STS3 Round Bar

1.400 MT · Closes 20 May 2026

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Related: All Round Bar grades · Tool Steel