... Material:alloy steel ,carbon steel,stainless steel 3 stainless steel reducing tee Product category1. Elbow 1)Seamless and welded 2)30 degree ... degree,90degree,180 degree 3)L/R,S/R2. Tee 1)Straight tee and reducing tee 2)Painted: black, varnish, antirust oil 3)Wall ... 2)Thickness: SCH10-SCH160,SGP,STD 3)Surface treatment:coated with black paint,unti rust oil,hot GalvanizeMaterial category1. Carbon steel ...