... 1.material:alumina 2.surface finish quality:1.6mm Wear resistant elbow pipe elbowDescription1) Wear resistant ceramic elbow2)Major Products: Elbow, Seamless pipes, ... etc...3) Varieties: SCH20,SGP, STD, SCH40, SCH80, SCH160 4) Standard: ANSI B16.9 / , DIN2605 / 2615 / 2616, JIS P2311/2312 ... , paint, pigment, chemical industry, medicine, coating, fireproofing, mine, etc Wear resistant elbow pipe elbow