All About Corten (COR-TEN) Steel Fire Pit Tables
All About Corten (COR-TEN) Steel Fire Pit Tables. August 19, 2022 5 min read. A steel alloy called COR-TEN produces a rust-like protective layer (patina) as it organically develops its protective outer layer. Corten steel is weathering steel with a rust-like appearance after years of weathering without the structural weakening attributed to rust.