The primary frame system consists of shop-welded, tapered I-section columns and rafters fabricated from structural steel plates. Frames are designed as rigid portal frames to carry gravity, wind, and seismic loads. American Columns engineers and fabricates these frames at their Al-Qastal facility in Jordan for deployment across regional projects.
Web plate thickness: 6–16 mm; flange width: 150–300 mm; column height: 4–12 m. Steel grade: S355JR / ASTM A572 Gr. 50. Hot-dip galvanized or epoxy-primed finish available.
EN 10025-2 S355JR; ASTM A572 Gr. 50; welding to AWS D1.1.
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