Question: how to calculate plate weight formula?
Answer: Steel Plate. • Formula: length(m)×width(m)×thickness(mm)×7.85. ... 
Steel Tube. • Formula: (OD-wall thickness)×wall thickness(mm)×length(m)×0.02466. ... 
Steel Rod. • Formula: dia.(mm)×dia.(mm)×length(m)×0.00617. ... 
Square Steel. ... 
Flat Steel. ... 
Hexagonal Steel. ... 
Rebar. ... 
Flat Steel Tube.