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AASHTO M270 Structural Steel Plate
Leeco® Steel stocks and supplies AASHTO M270 structural steel plate.
Overview:
- Certified to meet the American Association of State Highway and Transportation Officials (AASHTO) specifications for use in vehicle bridges.
- Available in two grades: 50 and 50W.
- Guaranteed to meet AASHTO M270 specifications, but may also be dual certified with similar ASTM grades.
- Charpy test requirements for specific zones and climates may be requested.
Available Sizes
Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders.
| GRADE | THICKNESS | WIDTH | LENGTH |
| M270 50 & 50W | 3/16" – 4" | 48" – 120" | Up to 480" |
Material Properties
The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.
| Grade | Yield Point (ksi) | Tensile Strength (ksi) | Min. 8” Elongation % |
| 50 | 50 | 65 | 18 |
| 50W | 50 | 70 | 18 |
Chemical Composition
Please reference ASTM A709 for similar material composition specifications.
