Weathering steel, often called corten steel (or its trademarked name, COR-TEN) is a group of steel alloys that form a stable external layer of rust that eliminates the need for painting. U.S. Steel (USS) held the registered trademark on the name COR-TEN until 2016.
Weathering steel, often called corten steel (or its trademarked name, COR-TEN) is a group of steel alloys that form a stable external layer of rust that eliminates the need for painting. U.S. Steel (USS) held the registered trademark on the name COR-TEN until 2016.
Source: Wikipedia "Weathering steel" · CC BY-SA 4.0
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