United Specialty Alloys
Founded in 1990, United Specialty Alloys is a family‑owned steel distributor that has grown into a 75,000‑square‑foot operation in St. Louis, Missouri. Located at 600 E Athlone Ave, St. Louis, MO 63147, the company combines a sizable on‑site inventory—over 3 million pounds of steel—with extensive processing capabilities to serve a broad spectrum of customers throughout the Midwest.
The firm specializes in custom computerized steel‑plate burning, offering CNC‑controlled oxy‑fuel tables that can handle plates up to 144 in. × 500 in. and thicknesses from 1⁄8 in. to 24 in. Complementary services include plasma and oxy‑fuel cutting, saw cutting (up to 40 in. × 48 in.), Blanchard grinding, in‑house stress relieving, and plate leveling. United Specialty Alloys also stocks a diverse range of plate alloys—mild steel, A‑36, 1045, 4140, 514‑gr B (T1), 572‑gr 50, abrasion‑resistant grades, and various steel bars—covering thicknesses from 1
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