1.1 This specification covers carbon and high-strength steel shapes of structural quality manufactured by the electric-resistance forge-welding process from coils. 1.2 The size range covered is described in nominal dimensions for columns, beams, and tees. Size Range, in. (mm) Web thickness 0.060 to 0.500 [1.5 to 12.7] Flange thickness 0.060 to 0.500 [1.5 to 12.7] Overall depth 2.00 to 24.00 [50 to 600] Flange width 0.50 to 12.00 [12.7 to 300]