... .long and short radius elbows 3.according to standard of GB, ASTM/ANSI, steel elbowsbending angle: 45d , 90d, 180dtype : long radius , short ... radiussize: DN15--DN600material: carbon steel , alloy steelstandard: ANSI B36.10 , ASTM WPB , DIN2615 ect.paint ... /Ccontact person: Ms. Haphry Wu ; Mobile:0086-13963583000 pipe fittings of carbon steel elbows