... inch 3)45,60,90,180 degree,3D,5D pipe bend 4)Standard:ASME,ANSI 5)ISO9 long / ... short radius bend pipes WeldedSeamlessNominal SizeDN250-DN1800DN15-DN700Wall ThicknessSTD,XS,XXS ... ,60,90,1801.0D, 1.5D, 2.0D, 2.5D, 3D,4D,5D,6D,7D-40D.Bending Angle30°45 ... , 12Cr1MoSurface treatmentTransparent oil, rust-proof black oil or hot galvanizedPackingin wooded cases or pallets,or as for clients ...