CSA G40.21 400A Steel: Supply & Demand
Buyer RFQ demand against seller listing supply for CSA G40.21 400A, 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 |
16 |
16 |
Healthy |
60,968
to
70,066
median 69,098
|
CSA G40.21 400A's demand ranks in the top 24% of all 484 tracked grades platform-wide.
The Plate form most recently moved into Healthy, 123 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.
CSA G40.21 400A is a Structural Steel grade: High strength structural steel with 400 MPa yield strength, Class A designation indicating atmospheric corrosion resistance. Used for heavy structural fabrications and exposed applications.
Typical applications: Atmospheric corrosion-resistant (weathering) structural steel; exposed bridge girders and structural members where high strength and weathering resistance are both needed.
Equivalent / Similar Grades (4)
Chemical Composition (%)
| C |
Mn |
Si |
P |
S |
Cu |
| <=0.23 |
<=1.60 |
<=0.40 |
<=0.035 |
<=0.035 |
0.20-0.40 |
Mechanical Properties
| Tensile Strength |
520-670 MPa |
| Yield Strength |
400 MPa min |
| Elongation |
17% min |
| Impact |
27J at 0°C |