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SAE 4340 Round Bar - Listings

All SAE 4340 Round Bar listings on M-EX.

All SAE 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 Live Round Bar on M-EX
34CrNiMo6 DIN/EN Europe 3 listings, 0 RFQs →
EN24 BS970 UK 8 listings, 18 RFQs →
SNCM439 JIS Japan 3 listings, 0 RFQs →
Market Snapshot

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Daily refresh · 07 Aug 2026

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7D Offer Price
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15D Offer Price
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30D Offer Price
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Supply & Demand: Round Bar See Full Supply & Demand →
SAE 4340 Round Bar Balanced
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Active SAE 4340 Round Bar Listings (For Sale) 11

SAE 4340 Round Bar
2.900 MT  ·  Closes 07 Sep 2026
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SAE 4340 Round Bar
5.000 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
1.500 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
4.700 MT  ·  Closes 03 Sep 2026
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SAE 4340 Round Bar
1.600 MT  ·  Closes 03 Sep 2026
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SAE 4340 Round Bar
2.200 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
0.800 MT  ·  Closes 04 Sep 2026
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SAE 4340 Round Bar
1.100 MT  ·  Closes 04 Sep 2026
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SAE 4340 Round Bar
4.300 MT  ·  Closes 02 Sep 2026
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SAE 4340 Round Bar
2.500 MT  ·  Closes 02 Sep 2026
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SAE 4340 Round Bar
5.100 MT  ·  Closes 11 Aug 2026
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Buyer RFQs for SAE 4340 Round Bar 14

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SAE 4340 Round Bar
1.600 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
2.900 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
2.000 MT  ·  Closes 06 Sep 2026
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SAE 4340 Round Bar
6.600 MT  ·  Closes 01 Sep 2026
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SAE 4340 Round Bar
0.900 MT  ·  Closes 01 Sep 2026
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SAE 4340 Round Bar
2.500 MT  ·  Closes 01 Sep 2026
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SAE 4340 Round Bar
3.100 MT  ·  Closes 05 Sep 2026
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SAE 4340 Round Bar
1.500 MT  ·  Closes 02 Sep 2026
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SAE 4340 Round Bar
2.900 MT  ·  Closes 03 Sep 2026
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SAE 4340 Round Bar
1.800 MT  ·  Closes 31 Aug 2026
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SAE 4340 Round Bar
2.700 MT  ·  Closes 31 Aug 2026
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SAE 4340 Round Bar
5.200 MT  ·  Closes 09 Aug 2026
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SAE 4340 Round Bar
1.800 MT  ·  Closes 10 Aug 2026
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SAE 4340 Round Bar
0.900 MT  ·  Closes 10 Aug 2026
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Related: All Round Bar grades · Alloy Steel