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6308 st52 thick wall alloy steel pipe products are offered for sale by suppliers on Alibaba.com, of which seamless steel pipes accounts for 86%, other steel pipes accounts for 9%, and welded steel pipes accounts for 4%. A wide variety of st52 thick wall alloy steel pipe options are available to you, such as fluid pipe, oil pipe and boiler pipe.You can also choose from round, square and rectangular st52 thick wall alloy steel pipe,as well as from hot rolled, cold rolled, and cold drawn st52 thick wall alloy steel pipe, and whether st52 thick wall alloy steel pipe is 1%, 5%, or 10%.