How much do manhole covers weigh?
The weight of manhole covers varies significantly based on material, size, and load-bearing capacity. Here’s a detailed breakdown:
1. By Material
(1) Cast Iron (Most Common)
Gray Iron (HT):
Light-duty: 50–80 kg (e.g., 600mm diameter, 10–15 ton capacity).
Heavy-duty: 90–120 kg (e.g....






