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4340 Round Bar — Listings

All 4340 Round Bar listings on M-EX.

All 4340 Forms Alloy Steel
Grade Details
Grade4340
StandardAISI
DescriptionNickel chrome molybdenum high strength alloy steel
ApplicationsAircraft parts, heavy duty gears, crankshafts, high tensile bolts
Equivalent Grades
Grade Standard Region
34CrNiMo6 DIN/EN Europe
EN24 BS970 UK
SNCM439 JIS Japan
SAE4340 SAE USA

Active 4340 Round Bar Listings 3

4340 Round Bar
4.600 MT  ·  Closes 18 Jun 2026
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4340 Round Bar
3.600 MT  ·  Closes 18 Jun 2026
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4340 Round Bar
3.600 MT  ·  Closes 18 Jun 2026
View Listing
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