Ductile Iron Pipe Research Association
From its inception in 1915, the Ductile Iron Pipe Research Association (DIPRA) has provided accurate, reliable engineering information about Cast Iron — and now Ductile Iron — pipe to a wide variety of utility and consulting engineers. you will find a variety of brochures and publications, representation on standards-writing committees, and technical research on a variety of topics, including corrosion, corrosion protection, and the design of Ductile Iron pipe.
steel foundation supplier, Edmonton, Alberta, steel suppliers Manitoba, United States, structural steel.Calgary, round bar, custom precision steel fabrication, steel producer, manufacturer, Canada, steel suppliers Canada, Steel sheet piles, en, alloy steels, USA, Vancouver, Toronto, steel, steel fabricators, Stainless Steel Corner Guards, sheet, steel piles, duplex stainless steel, construction, carbon steels, rebar, pipe, Sault Ste. Marie, drafting