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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: 16 Oct 2026, 1:00 AM

Live Signal Lifetime
Lifetime: This grade’s supply and demand by form, across everything ever listed on M-EX. Use this for the long view. For example, “Has this grade historically drawn more buyers than sellers?”
Shortage
0
In Demand
1
Healthy
0
Oversupplied
2
Deep Supply
2
Low Activity
0
Form Supply Demand Status Price Band (Rs./MT)
Round Bar 312 146 Oversupplied 65,263 to 108,000
median 81,480
Hex Bar 58 66 In Demand 69,828 to 94,000
median 89,671
Flat Bar 62 50 Oversupplied 87,443 to 93,000
median 90,000
Forging 90 0 Deep Supply 97,000 to 124,000
median 108,000
Square Bar 6 0 Deep Supply 89,000 to 92,000
median 90,000
SAE J404 4140's demand is the highest of all 484 tracked grades platform-wide.
The Round Bar form most recently moved into Deep Supply, 0 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