Elastic Section Modulus of a Regular Polygon formula |
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| \( S \;=\; \dfrac{ I_x }{ R }\) | ||
| Symbol | English | Metric |
| \( S \) = elastic section modulus | \( in^3 \) | \( mm^3 \) |
| \( I \) = moment of inertia | \( in^4 \) | \( mm^4 \) |
| \( R \) = outside radius | \( in \) | \( mm \) |
