Cast Iron Trench Grate

 Cast Iron Trench Grate is designed by melting metal into liquid form then pouring the liquid into a cavity shape. It can be easily used in its  natural state or can be coated. It  natural state or it can be coated. It create a protective surface coating of iron dioxide when exposed to the nature iron. Offered Cast Iron Trench Grate can be cast in a variety of grades and each class of iron has several grades.