90 deg seamless bend 1,8" 2,STD 3,A234WPB 4,ASMEB16.9 ... 24" to 96"( or as customer requirements)angle22.5 deg, 30deg,45 deg,90 deg,180 deg, 1.0D, 1.5D, 2.0D, 2.5D ... :2008 ,ISO 14001 OHSAS18001packingin wooded cases or pallets,or as for clients'requirementsapplicationPetroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etcSpecial ...