... 316L, 321 3)CE, ISO9001 4)Stainless Steel Pipe Fittings (elbow, reducer, tee) Material: 304, 304L, 321, 316, 316Lstainless ... : EAMLESS ELBOWOutside: diameter18mm-711mmThickness 18*2-711*50mm ELBOW(SSPlate)Outside: diameter219mm-1200mm Thickness219*20-1200*30mm Designed ... standards: ISO, ASTM/ASME, DIN and JIS 45/90/180d elbow, concentric reducer, eccentric reducer, straight tee, equal tee, ...