What Does W12x40 Mean?
What Does W12x40 Mean? SIZE LBS/FT DEPTH W12x30 30 12.34 W12x35 35 12.5 W12x404011.94 W12x45 45 12.06 What size is a W12x40 beam? SIZE LBS/FT DEPTH W12x30 30 12.34 W12x35 35 12.5 W12x404011.94 W12x45 45 12.06 What does W12x26 mean? W12x26, for example means that d (depth) is approximately 12 inches and the beam weighs