400A Plate — Listings

All 400A Plate listings on M-EX.

All 400A Forms Mild Steel
Grade Details
Grade400A
StandardCSA G40.21
DescriptionHigh strength structural steel with 400 MPa yield strength, Class A designation indicating atmospheric corrosion resistance. Used for heavy structural fabrications and exposed applications.
Applications
Equivalent Grades
Grade Standard Region
A588 Grade B ASTM
S355J2WP EN 10025-5
400W CSA G40.21

Active 400A Plate Listings 2

400A Plate
2.700 MT  ·  Closes 17 Jun 2026
View Listing
400A Plate
2.700 MT  ·  Closes 16 Jun 2026
View Listing
Related: All Plate grades · Mild Steel
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