Light gauge galvanized steel framing beam Width x leg Height x material Thickness (Shape C with lip) Vertical Metric Unit: 100mm x 42mm x 0.57mm 100mm x 45mm x 0.60mm 100mm x 45mm x 0.70mm 100mm x 45mm x 0.80mm Inch Size: 3 1/2inch x 1 3/8inch 25Ga 3 5/8inch x 1 3/5inch 25Ga 4inch x 1 3/4inch 22Ga 4inch x 2inch 20Ga Welcome to inquiry by fax or mail to claim for spec details and price info! NonStandard sizes and thickness can be negotiated. Min Order Quantity:1 x 20’ container With punched square or round holes per 60cm (24inch) Manufactured according to our national standard GB/T 11981-2001, which comply with ASTM C645 and JIS A6517. Galvanized material comply with ASTM A653 Green engineering, Light, strong, durable, fire-proof, convenient-install and earthquake resistance Currency: USD Unit Price: Quantity: minimum order 1 FCL Delivery: Within 2 weeks after the L/C reach us.