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AISI 4140 Round Bar Listings

All AISI 4140 Round Bar listings on M-EX.

All AISI 4140 Forms Alloy Steel
Grade Details
GradeAISI 4140
Standard AISI
DescriptionChrome molybdenum alloy steel, high strength and toughness
ApplicationsGears, shafts, dies, bolts, crankshafts, tooling
Equivalent Grades
Grade Standard Region Live Round Bar on M-EX
EN 10083-3 42CrMo4 EN 10083-3 Europe 12 listings, 14 RFQs →
BS 970 EN19 BS 970 UK 10 listings, 14 RFQs →
JIS G4105 SCM440 JIS G4105 Japan 0 listings, 3 RFQs →
SAE J404 4140 SAE J404 USA 10 listings, 10 RFQs →
SAE J404 4137 SAE J404 USA No activity yet
SAE J404 4142 SAE J404 USA No activity yet
SAE J404 4145 SAE J404 USA No activity yet
SAE J404 4150 SAE J404 USA No activity yet
SAE J404 4135 SAE J404 USA No activity yet
SAE J404 4140 SAE J404 USA No activity yet
BS 970 (Part 1) 708A40 BS 970 (Part 1) UK No activity yet
Market Snapshot
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7D Offer Price
● 0.0%
15D Offer Price
● 0.0%
30D Offer Price
▲ +0.3%
Supply & Demand: Round Bar See Full Supply & Demand →
AISI 4140 Round Bar Deep Supply

Active AISI 4140 Round Bar Listings (For Sale) 3

AISI 4140 Round Bar
3.200 MT  ·  Closes 29 Oct 2026
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AISI 4140 Round Bar
5.100 MT  ·  Closes 01 Nov 2026
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AISI 4140 Round Bar
2.200 MT  ·  Closes 28 Oct 2026
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Buyer RFQs for AISI 4140 Round Bar 0

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Related: All Round Bar grades · Alloy Steel