lSAW carbon steel pipe for heat exchanger OD 32--1200mm WT 2.5--75mm Certificate ISO ... Manufacture Co., LtdBusiness styleManufacture and ExpoterProductLSAW carbon steel pipe for heat exchanger (NEW SINDA)Information of the product1)Standard: GB8162,GB30872 ... : Bevel led end or plain end 8Marking: Size, standard, and heat number, or marking as customers' required9)Painting: Painting black coating ...