Corten Steel. ... Corten is a sustainable choice, with no maintenance required the surface develops to a stable rust-like appearance. Allowing the steel to rust makes the rust itself form a protective coating that slows the rate of future corrosion.
Color Range. The initial rust (flash rust) is a bright orange color on both weathering steel and ordinary carbon steel. However, on weathering steel, years of wet-dry cycling results in a compact, amorphous layer of various oxide products that typically convey a red-orange/brown appearance.
A606 Corten Sheet. Alro stocks ASTM A606 Corten sheet, a High Strength Low Alloy (HSLA) steel sheet. This unique product is 20-30% lighter than carbon steel and exhibits up to four times the atmospheric corrosion resistance of common structural carbon steel. ... Originally COR-TEN® was a steel material owned by U.S. Steel.
Mix the following solution in a spray bottle, taking pains to ensure that the salt crystals dissolve before you use it: 4 parts white household vinegar to 1 part 3-percent hydrogen peroxide and 1/2 part common table salt. Spray the metal object from top to bottom, soaking it thoroughly.