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4340 Round Bar — Listings

All 4340 Round Bar listings on M-EX.

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

Active 4340 Round Bar Listings 31

4340 Round Bar
1.500 MT  ·  Closes 18 May 2026
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4340 Round Bar
2.300 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.800 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.700 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.800 MT  ·  Closes 17 May 2026
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4340 Round Bar
2.100 MT  ·  Closes 17 May 2026
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4340 Round Bar
0.600 MT  ·  Closes 17 May 2026
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4340 Round Bar
1.900 MT  ·  Closes 17 May 2026
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4340 Round Bar
1.900 MT  ·  Closes 17 May 2026
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4340 Round Bar
1.800 MT  ·  Closes 17 May 2026
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4340 Round Bar
1.000 MT  ·  Closes 17 May 2026
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4340 Round Bar
1.400 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.400 MT  ·  Closes 18 May 2026
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4340 Round Bar
0.700 MT  ·  Closes 18 May 2026
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4340 Round Bar
0.600 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.700 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.000 MT  ·  Closes 18 May 2026
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4340 Round Bar
2.000 MT  ·  Closes 18 May 2026
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4340 Round Bar
0.300 MT  ·  Closes 18 May 2026
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4340 Round Bar
2.000 MT  ·  Closes 18 May 2026
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4340 Round Bar
0.600 MT  ·  Closes 18 May 2026
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4340 Round Bar
0.500 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.700 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.000 MT  ·  Closes 18 May 2026
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4340 Round Bar
1.700 MT  ·  Closes 19 May 2026
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4340 Round Bar
2.000 MT  ·  Closes 19 May 2026
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4340 Round Bar
2.000 MT  ·  Closes 28 May 2026
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4340 Round Bar
1.800 MT  ·  Closes 29 May 2026
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4340 Round Bar
1.900 MT  ·  Closes 30 May 2026
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4340 Round Bar
1.500 MT  ·  Closes 27 May 2026
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4340 Round Bar
1.500 MT  ·  Closes 17 May 2026
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