In the designation W12X16, what does W indicate?

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Multiple Choice

In the designation W12X16, what does W indicate?

Explanation:
W indicates a wide-flange beam, a common I‑shaped steel section used in framing. The first number after the W (12) is the nominal depth in inches, and the second number (16) is the weight per foot in pounds. The designation does not directly specify width or wall thickness; those properties are listed in separate section tables. So W identifies the cross‑section family (wide-flange), which is why it’s the best answer.

W indicates a wide-flange beam, a common I‑shaped steel section used in framing. The first number after the W (12) is the nominal depth in inches, and the second number (16) is the weight per foot in pounds. The designation does not directly specify width or wall thickness; those properties are listed in separate section tables. So W identifies the cross‑section family (wide-flange), which is why it’s the best answer.

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