Galvanized square steel sizes Our SHS are manufactured to the Australian Standard for structural steel hollow section AS/NZS 1163 and cover steel grades C350L0. 3. 5mm: Up to 12000mm: Lip Channel (Purlin) (Mild Steel/Galvanized) JISG3350:1987 JIS G3302 SGHC490: 60mm x 30mm x 10mm – 200mm x 75mm x 20mm: 1. The robust nature of galvanized square steel contributes to safer structural applications. 2. Supply Rite Steel stocks the following profiles: Pre-Galvanized with Holes Sizes: 1-1/2 , 1-3/4″ and 2″ Gauge: 12ga(. Steel Supplies can provide the following processing services for this product: Pack Cutting Mitre Cutting Processing ( Drilling, Stamping) 300 x 200 WHITE RED YELLOW BLUE GREY 6. 0m Choosing galvanised steel box section sizes. Price and order today! Step 6: Cooling and Inspection Allow the galvanized rectangular tubes to cool and solidify. Conduct a thorough inspection to ensure the uniformity and quality of the galvanized coating. pquzishqldovmaxnpppxjlddqyysbiobtttkcndhcmucqlzzvzkkriuzfqlcjesyygbboutphxjauei