ISO_3419-1981-Non-alloy-and-alloy-steel-butt-welding-fittings

Hebei Haihao GroupInternational Standard1s03419Non-alloy and alloy steel butt-welding fittingsAccessoires a souder bout a bout en acier non alli et allieSecond edition -1981-07-15Corrected and reprinted-1991-05-15UDC621.643.411.4Ref.No.1S03419-1981(E)Deecriptors piping,steel tubes.pipe fittings,unaloyed steale,alloy steele,pipe bends,welded tubes,designation,symbols,dimensions.dimensional tolerances,marking.pipe caps.Price based on 17 pagesEmail:sales@haihaogroup.comwww.haihaopiping.com