Market Intelligence › Supply and Demand Balance › JIS G3106 SM400A

JIS G3106 SM400A Steel: Supply & Demand

Buyer RFQ demand against seller listing supply for JIS G3106 SM400A, 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)
Plate	36	1	Deep Supply	56,701 to 68,501 median 65,175

JIS G3106 SM400A's demand ranks in the top 38% of all 484 tracked grades platform-wide.

The Plate form most recently moved into Deep Supply, 116 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.

JIS G3106 SM400A is a Structural Steel grade: Japanese rolled steel for welded structures. Typical applications: Welded bridges, buildings, ships.

Equivalent / Similar Grades (3)

Grade	Standard	Region
S275JR	EN	Europe
ASTM A36	ASTM	USA
IS2062 E250B	IS 2062	India

Chemical Composition (%)

C	Mn	P	S
≤0.23	—	≤0.035	≤0.035

Mechanical Properties

Tensile Strength	400–510 MPa
Yield Strength	≥245 MPa
Elongation	≥22%