we offer Stainless steel .NAME TEE( StraightTee Reducing Tee Lateral Tee)SIZE 12"-24" are made of SEAMLESS pipes, 26"-80" are made of steel plate.WALL THICKNESS SCH5S-XXS CONNECTION Butt WeldingMATERIAL a. Carbon SteelASTM A234 WPBASTM A420 WP1 WP3 WPL6ASTM A860 WPHY4252606570b. Alloy Steel:ASTM A234 WP59112291c. Stainless SteelASTM A403 WP304 304L 316 316L 321347ASTM A815 UNS31803 S32750 S32760 STANDARD ANSIASME B16.9, DIN, JIS.BS, GB, etc. SURFACE Stainless Steel: Polishing, Sand-blastingCarbon SteelAlloy Steel : Black Painting, Varnish Paint, Anti Rust Oil, Hot Dip Galvanized, Electric Galvanized, 3PE, etc.CERTIFICATE ISO9001, PED. Yuansheng Pipe fittings is a full-service distributor of pipe fittings. Our ranges of products includes Seamless & Butt Weld Fittings. Forged Fittings and Flanges available in a very wide range of material grades for Energy and Chemical Industries. These products are made from the best quality raw materials like Stainless Steel, Carbon Steel, Alloy Steel, etc. To find out more or to check our products lines and inventory, please call or email us today!!!! Location: Room 2003 , Kerren International Mansion , Liaoning Street, Development Zone , Dalian City