40*40 Steel Square Pipe

15916 40*40 steel square pipe products are offered for sale by suppliers on Alibaba.com, of which welded steel pipes accounts for 23%, seamless steel pipes accounts for 22%, and other steel pipes accounts for 8%. A wide variety of 40*40 steel square pipe options are available to you, such as structure pipe, fluid pipe and gas pipe.You can also choose from hot rolled, hot dipped galvanized and cold rolled 40*40 steel square pipe,As well as from non-alloy, is alloy 40*40 steel square pipe, and whether 40*40 steel square pipe is non-oiled, slightly oiled, or heavy oiled.