# Formula Symbols - Y

Written by Jerry Ratzlaff on . Posted in Nomenclature & Symbols for Engineering, Mathematics, and Science

## Formula Symbols

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## Y

SymbolGreek SymbolDefinitionEnglishMetricSIValue
$$\tau$$ tau yield point $$\large{\frac{lbf}{in^2}}$$ $$Pa$$ $$kg- m^{-1}-s^{-2}$$ -
$$\sigma$$, $$\;\tau_y$$ sigma, tau yield strength $$\large{\frac{lbf}{in^2}}$$ $$Pa$$ $$kg- m^{-1}-s^{-2}$$ -
$$Y$$, $$\;Yo$$, $$\;E$$ - Young's modulus $$\large{\frac{lbf}{in^2}}$$ $$Pa$$ $$kg- m^{-1}-s^{-2}$$ -
Symbol Greek Symbol Definition English Metric   Value

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