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309 cold formed z type channel steel products are offered for sale by suppliers on Alibaba.com, of which steel channels accounts for 18%, other steel profiles accounts for 10%. A wide variety of cold formed z type channel steel options are available to you, such as punching, cutting and bending.You can also choose from aisi, astm and gb cold formed z type channel steel,as well as from c, c channel, and u channel cold formed z type channel steel, and whether cold formed z type channel steel is q235, carbon steel, or galvanized steel.