2010年10月11日 · W6x12 STEEL BEAM LOAD CHART UNIFORM LOAD MIDSPAN LOAD SPAN PLF Deflection PLF Deflection LBS Deflection LBS Deflection 2' 17,138.010 24,846.011 2'‐6" 13,708.019 19,871.017 3' 11,036.031 16,554.025 4' 6,202.056 12,405.045 #4 1.25m 4'‐1.2" 5,903.059 12,101.047 5' 3,603.079 9,009.063 #6 1.8m 5'‐10.9" 2,576.110 7,625.088