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Carbon Steel Butt-welding Elbow (Seamless Type) Size: DN15-DN600 Schedule: S20, STD, S40, S80, XS, S160, ETC Material Grade: A106 B / A234 WPB / A53 Gr.B / API 5L Gr.B / SS400 Standard: ASME B16.9 / DIN2605 / JIS2311 / GOST17375 / KS B1522/1543/EN10253 Technology: Hot-extruding or Hot-pressed Surface Treatment: Sandpolished and Vanished, or Black Painted Package: Pallet or Wooden Cases Tianjin Shitong Iron&Steel Co., Ltdspecializes in manufacturing butt-welding pipe fittings (elbow, tee, flange, reducer and cap) seamless and ERW steel pipes. Shitong is located in Cangzhou City (Hebei Province), which is reputed as the center of the pipe fittings in China. With top-advanced equipments and exquisite techniques, Shitong is granted with exclusive advantages in quality and cost control. Found in 1995, Shitong have been training staff and optimizing the technical process in hope of improving quality and proficiency further. In the course of manufacturing, Shitong executes the rules as per ISO9001 strictly, especially in quality testing. Besides, being adjacent to Tianjin port, it enables Shitong a very convenient transportation for the heavy cargo. Due to the consistent quality and reasonable price, the steel pipe and pipe fittings of ST BRAND are being sold well in the market of South America, South-east Asia, Mid-east Area, Mid Asia, North Africa and East Europe.