... pipes, square pipes, rectangular pipes, welded pipes, mirror-polish pipes, and special pipes Stainless Steel Pipe1) Types: seamless pipes, square pipes ... pipes, welded pipes, mirror-polish pipes, and special pipes 2) Process method: cold draw and cold rolled 3) OD: 6 to 630mm 4 ... Machinery, Construction; space, War Industry, Hardware, Boilers, Heat Exchangers, Ships And Electricity stainless steel Pipe