ASTM E646 Tensile Strain-Hardening Exponents (n -Values) of Metallic Sheet Materials

ASTM E646 covers the determination of a strainhardening exponent by tension testing of metallic sheet materials for which plastic-flow behavior obeys the power curve given in the Introduction. ASTM E646 is for metallic sheet materials with thicknesses of at least 0.005 in. but not greater than 0.25 in.

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