... bend 4)Standard:ASME,ANSI 5)ISO9 long /short radius bend pipes WeldedSeamlessNominal SizeDN250-DN1800DN15-DN700Wall ThicknessSTD,XS,XXS, ... .0D, 2.5D, 3D,4D,5D,6D,7D-40D.Bending Angle30°45°90°180°StandardASMEANSI B16.9,ANSI B16.28 ... oil or hot galvanizedPackingin wooded cases or pallets,or as for clients' requirementsApplicationsPetroleum, chemical, machinery, electric power, shipbuilding,papermaking, ...