What does W8x31 mean?
Wide Flange Beam Specifications Chart
What is a W21x44 beam?
W21x44 Weight Wide flange beams are designated by their depth x weight. The W21x44 designation indicates that the beam weighs 44 pounds per foot. A 10-foot section of W21x44 would weigh 440 pounds and a 50-foot section of W21x44 would weigh 2,200 pounds.
What is a w4x13 beam?
w4x13 – w10x45. Structural steel beam shape with relatively wide flanges, whose surfaces are parallel to one another.
What is the difference between I-beam and W beam?
An I-beam has tapered flanges with a narrower flange than most wide flange beams, making it a lighter building material. A wide flange beam, with wider flanges and web than the I-beam, can handle more weight, but this makes it heavier overall.