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Plastic Section Modulus of a Square

 

Plastic Section Modulus of a Square formulas
\( Z \;=\;   \dfrac{ a^3 }{ 4 }  \) 
Symbol English Metric
\( Z \) = plastic section modulus \( in^3 \) \( mm^3 \)
\( a, b, c, d \) = edge \( in \) \( mm \)

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