7) Color Coating : Top: 15-25micron Back: 5-7micron
8) Surface treatment: Passivated(chromated),oiled or HDG anti-finger treatment, color painted, protection film cover
9) Packing:plastic paper and kraftpaper first ,then tie by steel strap and plate together.
10)Application: Guardrails, ventilation ducts, gutters and down spouts, Pre-paint and post paint applications, gutters and down spouts, ceiling suspension bars, shutter door rails. Auto parts, electrical appliances, refrigerator appliances, signs, automotive parts,vending machines, washing machines, showcases and other structural use, roofing, commercial use
Features: 1) Roll formed by roll forming machines, the thickness and color can be different 2) Easy installation 3) High strength 4) More economic (low cost) 5) They are widely use as the wall or roof of factory, warehouse, garage, exhibition center and cinema 6) Raw materials: Cold-rolled steel, galvanized steel, galvanized pre-painted sheet and aluminum sheet 7) A fluted profile makes it suitable for many applications where flat sheet would not normally be considered. The longitudinal flutes provide rigidity along the length of the sheet while retaining full flexibility across the width... 8) Used on exterior and interior walls, roofs and soffits and on straight or curved surfaces with flutes horizontal or vertical.
Qingdao Hengcheng Steel Co., Ltd. located in Qingdao which is the Olympic Sailing Base with beautiful scenery. Which is a group with three factories enterprise . The two factories mainly produce the steel products and aluminium/tinplate products , and other factory mainly produce the Fin Tube .
In recent years, by virtue of superior geographical position and steel industry reconstruction, our company had developed rapidly, and gradually formed a Shandong, Tianjin and Hebei industrial base ... View detail