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GENERAL TABLE NOTES
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The strength increase due to cold work of forming was incorporated for flexural strength as applicable per AISI A7.2.
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Where punchouts are specifically accounted for, the punchout width = 0.75" for 1.625" & 2.5" studs, and 1.5" for deeper members.
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The moment of inertia for deflection is calculated at a stress which results in an effective section modulus such that the stress times that section modulus is equal to the allowable moment.
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The yield stress [33 ksi or 50 ksi] used to calculate tabulated values is indicated in the tables.