Heavy Gauge Load Bearing Track Widths 1-5/8’’ 2 -1/2’’ 3-5/8’’ 4’’ 6’’ 8’’ Lengths (Custom lengths available) 10’ Flange sizes 1-1/4’’ 2’’ Gauge 16 18 20 Zinc/galvanized coated steel to ASTM A653 - G40 to G90. Yield strength: 33 to 60 KSI depend on thickness. Compliance with standards set by CSA, ASTM, and CSSBI 61:21 for sheet steel building materials in Canada. Download Catalog Contact us now