SM490A Steel — Specifications & Listings
JIS G3106 — Japanese high strength rolled steel for welded structures
Grade Details
| Grade | SM490A |
| Standard | JIS G3106 |
| Description | Japanese high strength rolled steel for welded structures |
| Applications | Bridges, buildings, offshore structures |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Mn |
Si |
P |
S |
| ≤0.20 |
≤1.60 |
≤0.55 |
≤0.035 |
≤0.035 |
Mechanical Properties
| Tensile Strength |
490–610 MPa |
| Yield Strength |
≥325 MPa |
| Elongation |
≥21% |
Typical Available Sizes
| Plate |
5mm–100mm thk |
| Flat Bar |
20×5mm–200×30mm |
Sizes are indicative. Contact seller for exact availability.
Active SM490A Listings on M-EX