Cement: Cement used confirm to IS 8112-OPC 43 grade cement with min.
Compresive strength of 35N/mm2
Aggregates: Aggregate confirm to IS 383-1970 for manufacture of R.C.C pipes
Reinforcement Cages: The steel reinforcement of IS 2062 grade-1. mild steel are made using Longitudinal and spirals of 6MM. The reinforcement through out the length of barrel with double reinforcement cages.
Spinning Process: The wound cages are placed in position inside the pipe moulds with suitable covers and placed over the moulding machine.