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ASTM A53/API5l/A106/A333/A36/St35/St52/X42/X52/X56/X60/65 X70 Sch40 3PE 3lpe Hot Rolled Seamless/Welded Hollow Carbon Steel Pipe for Oil and Gas Pipeline, Find Details and Price about Steel Pipe Seamless Steel Pipe from ASTM A53/API5l/A106/A333/A36/St35/St52/X42/X52/X56/X60/65 X70 Sch40 3PE 3lpe Hot Rolled Seamless/Welded Hollow Carbon Steel Pipe for Oil and Gas Pipeline - Cangzhou Chengsheng Pipeline Equipment Co., Ltd.