AS/NZS 3678 Grade 400 Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for AS/NZS 3678 Grade 400, 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 |
34 |
1 |
Deep Supply |
48,128
to
62,473
median 51,485
|
AS/NZS 3678 Grade 400's demand ranks in the top 38% of all 484 tracked grades platform-wide.
The Plate form most recently moved into Deep Supply, 125 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.
AS/NZS 3678 Grade 400 is a Structural Steel grade: Australian and New Zealand standard high-strength structural steel plate and floorplate. 400 MPa minimum yield, good weldability.
Typical applications: Heavy structural fabrication, crane booms, mining machinery, earthmoving equipment, structural columns..
Equivalent / Similar Grades (20)
Chemical Composition (%)
| C |
Mn |
Si |
P |
S |
| max 0.2 |
max 1.6 |
max 0.55 |
max 0.03 |
max 0.03 |
Mechanical Properties
| Yield Strength |
400 MPa min (t<=12mm) |
| Tensile Strength |
~520 MPa min (approx, equivalent to ASTM A572 Gr.60) |