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SAE J404 4140 Steel: Supply & Demand

Buyer RFQ demand against seller listing supply for SAE J404 4140, broken down by form. Signals are indicative and derived from listings and RFQs.

Last updated: 15 Oct 2026, 10:00 PM

Live Signal Lifetime
Live Signal: This grade’s supply and demand by form, from listings and RFQs open right now. Use this to act today. For example, “Is there a buyer gap in this grade’s round bar this week?”
Shortage
0
In Demand
1
Healthy
2
Oversupplied
0
Deep Supply
0
Low Activity
0
Form Supply Demand Status Price Band (Rs./MT)
Round Bar 10 10 Healthy 66,529 to 94,741
median 77,378
Hex Bar 3 4 In Demand 71,721 to 93,208
median 89,983
Flat Bar 3 3 Healthy 87,443 to 92,052
median 89,491
SAE J404 4140's demand is the highest of all 484 tracked grades platform-wide.
The Hex Bar form most recently moved into In Demand, 36 days ago.

Disclaimer: All information on this page is indicative only and derived from posted listings and RFQs on M-EX. It does not constitute a market price quote or investment advice. M-EX and GTE make no representations as to accuracy or completeness. Actual activity depends on quantity, quality, payment terms and other commercial factors agreed between buyers and sellers.

SAE J404 4140 is an Alloy Steel grade: Chromium-molybdenum alloy steel SAE 4140 (UNS G41400) to SAE J404 JAN2009, a chemistry-only grade. Carbon 0.38-0.43% and manganese 0.75-1.00%. Typical applications: Gears, shafts, dies, bolts, crankshafts.
Equivalent / Similar Grades (11)
Grade Standard Region
42CrMo4 DIN/EN Europe
EN19 BS 970 UK
SCM440 JIS Japan
4137 SAE J404 USA
4142 SAE J404 USA
4145 SAE J404 USA
4150 SAE J404 USA
4135 SAE J404 USA
4140 SAE J404 USA
708M40 BS 970 (Part 3) UK
708A40 BS 970 (Part 1) UK
Chemical Composition (%)
C Cr Mn Mo P S Si
0.38-0.43 0.80-1.10 0.75-1.00 0.15-0.25 <=0.030 <=0.040 0.15-0.35