4140 Flat Bar — Listings

All 4140 Flat Bar listings on M-EX.

All 4140 Forms Alloy Steel

Grade Details

Grade	4140
Standard	SAE
Description	Chrome molybdenum alloy steel, high strength and toughness
Applications	Gears, shafts, dies, bolts, crankshafts

Equivalent Grades

Active 4140 Flat Bar Listings 2

4140 Flat Bar

1.500 MT · Closes 30 May 2026

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4140 Flat Bar

1.600 MT · Closes 31 May 2026

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Related: All Flat Bar grades · Alloy Steel