JIS G3114 SMA400 Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for JIS G3114 SMA400, broken down by form. Signals are indicative and derived from listings and RFQs.
Last updated: 16 Oct 2026, 1:00 AM
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?”
| Form |
Supply |
Demand |
Status |
Price Band (Rs./MT) |
| Plate |
36 |
1 |
Deep Supply |
56,946
to
62,467
median 61,113
|
JIS G3114 SMA400's demand ranks in the top 38% of all 484 tracked grades platform-wide.
The Plate form most recently moved into Deep Supply, 127 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 G3114 SMA400 is a Structural Steel (Corten / Weathering) grade: SMA400 is a weathering structural steel with enhanced atmospheric corrosion resistance for outdoor applications. It develops a protective oxide layer that reduces maintenance requirements in exposed environments.
Typical applications: Used in bridges, transmission towers, railway wagons, containers, and structural frameworks..
Chemical Composition (%)
| C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
| 0.18 max |
0.35-0.75 |
0.60-1.40 |
0.035 max |
0.035 max |
0.20-0.50 |
0.30-1.25 |
0.20-0.65 |
Mechanical Properties
| Tensile Strength |
400-540 MPa |
| Yield Strength |
245 MPa min |
| Elongation |
17% min |
| Hardness |
120-170 HB |