Material: Carbon Steel, stainless steel, alloy steel Technics: WELDED Type: PIPE FITTINGS Place of Origin: China (Mainland) Model Number: 1/2"-72" Brand Name: ESTAN Connection: Welding Shape: Equal Head Code: circle Color: black yellow,red,white or customer's requirements Application: Petroleum,chemical,power,gas Standard: ANSI, ASTM,DIN, JIS, BS, ISO, GB,GOST Wall thickness: sch10s-sch160 Surface treatment: anti-rust oil, black painting Product: elbow, reducer, cap, cross, tee Our main market: Mid East,Southeast,Asia,India,Europe Certificate: ISO, ABS, API, CE, SGS Check from website: http://www.steelfittings-flange.com/e_products/?big_id=1