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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.