SAE 4340 Round Bar - Steel Listings

Grade Details

Grade	4340
Standard	SAE
Description	Nickel chrome molybdenum high strength alloy steel
Applications	Aircraft parts, heavy duty gears, crankshafts, high tensile bolts

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 →
SAE4340	SAE	USA	11 listings, 14 RFQs →

Market Snapshot

7D Offer Price

▼ -0.9%

15D Offer Price

▼ -0.9%

30D Offer Price

▼ -0.3%

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) 3

SAE 4340 Round Bar

5.100 MT · Closes 03 Sep 2026

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SAE 4340 Round Bar

2.800 MT · Closes 04 Sep 2026

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SAE 4340 Round Bar

2.900 MT · Closes 10 Aug 2026

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No open buyer requirements for SAE 4340 Round Bar at this time.

Related: All Round Bar grades · Alloy Steel