ASTM A606/A606M-23 PDF
What is ASTM A606?
Often referred to as Corten or Weathering steel.: Has properties similar to COR-TEN steel. In addition to carbon, manganese, sulfur and copper, Type IV may contain other alloying elements to further resist corrosion at the discretion of the manufacturer.
What is the chemical composition of ASTM A606 Type 4?
ASTM A606-4 covers steel sheet and coil. It's a steel alloy that's made up of copper, chromium, nickel, and other elements that give it corrosion resistance properties. It is also known for its high strength, making it an ideal choice for architectural and structural applications.

What is the difference between ASTM A588 and A606?
The difference in our products is: A606-4 is considered weathering steel sheet with thicknesses beginning at 22 Gauge and thicker available up to 3/16". GNEE stock A606-4 in flat sheets, coil, and panels. A588 is available in steel plate and starts at 3/16" thickness and increases up to 5" thickness.









