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AISI 4140 Steel: Supply & Demand

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

Last updated: 15 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
0
Healthy
0
Oversupplied
0
Deep Supply
2
Low Activity
0
Form Supply Demand Status Price Band (Rs./MT)
Forging 90 0 Deep Supply 95,000 to 128,000
median 108,000
Round Bar 52 1 Deep Supply 75,432 to 106,663
median 92,349
AISI 4140's demand ranks in the top 38% of all 484 tracked grades platform-wide.

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.

AISI 4140 is an Alloy Steel grade: Chrome molybdenum alloy steel, high strength and toughness. Typical applications: Gears, shafts, dies, bolts, crankshafts, tooling.
Equivalent / Similar Grades (11)
Grade Standard Region
42CrMo4 DIN/EN Europe
EN19 BS 970 UK
SCM440 JIS Japan
SAE4140 SAE USA
4137 SAE J404 USA
4142 SAE J404 USA
4145 SAE J404 USA
4150 SAE J404 USA
4135 SAE J404 USA
4140 SAE J404 USA
708A40 BS 970 (Part 1) UK
Chemical Composition (%)
C Mn Cr Mo Si S P
0.38–0.43 0.75–1.00 0.80–1.10 0.15–0.25 0.15–0.35 ≤0.040 ≤0.035
Mechanical Properties
Condition Quenched & Tempered
Tensile Strength 850–1000 MPa
Yield Strength ≥680 MPa
Elongation ≥13%
Hardness 248–302 HB
Impact (Charpy) ≥54 J