Steel Pipe Calculation Formulas
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Steel Pipe Calculation Formulas
Fomulas to calculate area and weight of empty steel pipes and steel pipes filled with water
To calculate the cross section area of a steel pipe:
A = 0.785di2
where
A = cross-sectional area of pipe (Square Inches)
di = inside diameter (inches)
To calculate the weight of empty steel pipes:
wp = 10.6802 t (do - t)
where
wp =weight of steel pipe (Pounds per Foot Pipe)
t = pipe wall thickness (Inches)
do = outside diameter (inches)
To calculate the weight of water in pipes filled with water:
ww = 0.3405 di 2
where
ww = weight of steel pipe filled with water (Pounds per Foot Pipe)
di = inside diameter (inches)
To calculate the outside surface area of steel pipes:
Ao = 0.2618 do
where
Ao = outside area of pipe - per foot (Square Feet)
do = outside diameter (inches)
To calculate the inside surface area of steel pipes:
Ai = 0.2618 di
where
Ai = inside area of pipe - per foot (Square Feet)
di = inside diameter (inches)
To calculate the area of the metal:
Am = 0.785 (do 2 - di 2)
where
Am = area of the metal (Square inches)
di = inside diameter (inches)
do = outside diameter (inches)
