... ) Type: ANSI/API 3D ELBOW BEND 52) Size: NPS 1/2"-120"(DN15-3000) 3) Varieties: SGP, STD, SCH40, SCH80 4)Material ... bend(AS bend), stainless steel elbow bend(SS bend)...SIZENPS1/2”-120”(DN15-3000)WALL THICKNESSSCH5S/10S, SCH20/40/80/160, STD ... /XS/XXS, SGP…….MATERIALcarbon steel: ASTM A234 GR WPB , ST37.2 , ST35.8……alloy steel: A234 WP5/WP9/WP11/WP22/WP91 ...