... : A15, B125, C250, E600, F900 Ductile Iron Manhole Cover 1. Our Ductile Iron Manhole Covers are widely used in public works ... Material: Ductile Iron GGG500-7 & 400-123. Designs Available:EN124 A15, B125, C250, D400, E600 and F900 A60005 for Casting Design Major ... Standards DesignAs per Drawings or samples 4. Technology: Sand Mold Casting 5. Surface Treatment:Coat with Cold applied black bitumen Non ...