Want to transform your garden into a pleasant and modern outdoor space? Consult our ideas of decoration with steel corten, a very trendy material! Corten steel is a kind of patinated steel with corrosion or rust effect. It was invented in the United States during the 30's of the 20th century, its Corten Steel: 50 Very Trendy Garden Decor Ideas - 1001 Gardens Please note: You are currently browsing img karas party ideas dr suess archives karas party ideas that is 700x347px in size. This image is listed in cat themed garden decor category. Corten Steel 50 Very Trendy Garden Decor Ideas 1001 Gardens, 700x347 in 117.26 KB.