5120 Round Bar — Listings

All 5120 Round Bar listings on M-EX.

All 5120 Forms Alloy Steel

Grade Details

Grade	5120
Standard	SAE
Description	American case hardening chrome steel per SAE standard. Close equivalent to 20MnCr5 but with lower Mn and Cr content. Good case hardening response.
Applications	Case hardened gears, pins, shafts, cams, automotive transmission parts

Active 5120 Round Bar Listings 1

5120 Round Bar

2.300 MT · Closes 20 May 2026

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Related: All Round Bar grades · Alloy Steel