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JIS G4103 SNCM439 Steel: Supply & Demand

Buyer RFQ demand against seller listing supply for JIS G4103 SNCM439, 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
0
Healthy
0
Oversupplied
0
Deep Supply
1
Low Activity
0
Form Supply Demand Status Price Band (Rs./MT)
Round Bar 50 1 Deep Supply 71,343 to 124,821
median 101,336
JIS G4103 SNCM439'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.

JIS G4103 SNCM439 is an Alloy Steel grade: Japanese Ni-Cr-Mo high strength alloy steel. Typical applications: Crankshafts, gears, heavy duty shafts, aircraft components.
Equivalent / Similar Grades (8)
Grade Standard Region
34CrNiMo6 DIN/EN Europe
EN24 BS 970 UK
AISI 4340 SAE USA
SAE4340 SAE USA
IS 4367 40Ni2Cr1Mo28 IS 4367 India
GOST 4543 40XH GOST 4543 Russia
GB/T 3077 42CrMo GB/T 3077 China
4340 SAE J404 USA
Chemical Composition (%)
C Si Mn Cr Mo Ni
0.36–0.43 0.15–0.35 0.60–0.90 0.60–1.00 0.15–0.30 1.60–2.00
Mechanical Properties
Tensile Strength ≥980 MPa
Yield Strength ≥835 MPa
Elongation ≥12%
Hardness 293–352 HB