Aluminum sheet importing USA

I am looking for 1500 pcs of the following material:
Brief extended description note qty uom
Sheet, metal gage:26 (0.5) material:aluminum
Length:2440 mm. Width:813 mm.
Shape:corrugated (ondulada)
Material std:astm b-209 gr.8112 temp h18
( lamina ondulada de aluminio )
Test report and certificate per astm b20