Four beam profiles dominate modern construction, each engineered for distinct load and span requirements:
1. W-Beams (Wide Flange)
The most widely specified beam in contemporary construction, W-beams feature parallel, uniform-thickness flanges that deliver excellent load-bearing efficiency across long spans. They are the standard choice for commercial buildings, warehouse framing, bridge supports, and multi-story construction, with sizes ranging from W4×13 to W44×335. Their core advantage is higher load capacity per pound compared to standard I-beams, making them cost-effective for most mid-to-large scale projects.
2. S-Beams (Standard I-Beams)
As the original I-beam design with tapered flanges that narrow away from the central web, S-beams are primarily used for lighter structural loads, crane rails, and historic building renovations where matching existing framing is required. Available in sizes from S3×5.7 to S24×121, their tapered profile simplifies certain connection details in specialized framing layouts.
3. H-Beams (HP / H-Piles)
With a square H-shaped profile where flange width nearly matches beam depth, H-piles are built to withstand extreme vertical compression. They are the go-to option for foundation piling, underground support, heavy load-bearing columns, and retaining wall systems, with sizes from HP8×36 to HP18×204.
4. T-Beams (Structural Tees)
Produced by cutting W or S beams lengthwise along the web, T-beams are specialty sections used for truss construction, structural bracing, and connection points between primary framing members. They are typically custom-cut to order rather than held as standard inventory.
