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JIS G4104 SCr420 Steel: Supply & Demand

Buyer RFQ demand against seller listing supply for JIS G4104 SCr420, 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

In Demand

Healthy

Oversupplied

Deep Supply

Low Activity

Form	Supply	Demand	Status	Price Band (Rs./MT)
Round Bar	36	1	Deep Supply	66,977 to 98,747 median 87,519

JIS G4104 SCr420'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 G4104 SCr420 is an Alloy Steel grade: Japanese chrome case hardening steel, higher C. Typical applications: Case hardened gears, shafts, cams.

Equivalent / Similar Grades (4)

Grade	Standard	Region
20MnCr5	DIN	Germany
AISI 5120	SAE	USA
16MnCr5	DIN	Germany
5120	SAE J404	USA

Chemical Composition (%)

C	Si	Mn	Cr	P	S
0.18–0.23	0.15–0.35	0.60–0.90	0.90–1.20	≤0.030	≤0.030

Mechanical Properties

Tensile Strength	≥830 MPa
Case Hardness HRC	58–62
Core Hardness HB	235–293