Plastic Section Modulus of a Rectangle formulas |
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\( Z_x \;=\; \dfrac{ a^2 \cdot b }{ 4 } \) \( Z_y \;=\; \dfrac{ a \cdot b^2 }{ 4 } \) |
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| Symbol | English | Metric |
| \( Z \) = plastic section modulus | \( in^3 \) | \( mm^3 \) |
| \( a, b, c, d \) = edge | \( in \) | \( mm \) |
