Cast Iron Manhole Cover With Frame 1.Standard: EN124 2.Load-bearing Class: A15, B125, C250, E600, F900 3.Guard against Theft Ductile Iron Manhole ... widely used in public works.2. Material: Ductile Iron GGG500-7 & 400-12Grey Iron GG20 3. Designs Available:EN124 A15, B125, C250 ... As per Customers' Demond6. Shape Available: Round SquareRectangleTriangle7. Products Show: Cast Iron Manhole Cover With Frame