Our inventory includes: stainless steel, structural steel, mild steel, galvanized steel, aluminium, brass, bronze and copper. At Kian Huat Metal, we supply an extensive range of metals for various applications. With over 30 years of experience, we provide the very best quality products, prompt delivery and highest standard of services at competitive prices. Kian Huat Metal is the Singapore’s leading stainless steel sheet supplier with a wide distribution network that spans over 20 countries in the Asia Pacific region. Other stainless steel sheet finishes are available if required and can be supplied with a protective film. Used for cosmetic applications such as mirrors and reflectors. Well-defined directional finish with long and fine lines. An ideal general purpose finish.Ĭold rolled, annealed in a controlled atmosphere to retain a highly reflective and mirror-like finish. Uniform direction brushed look, not highly reflective. Most commonly used cold rolled mill finish. Most suitable for industrial applications.ĭull grey with slight reflective finish. You can request to cut your stainless steel sheets down to size. Other stainless steel sheet grades and sizes are available upon request. Common Grades, Sizes and Specifications Grades For marine and coastal environments, grades 316 and 316L are often favoured due to their superior corrosion resistance and are particularly effective in acidic conditions. 304 and 304L are the most popular grades for stainless steel sheets as they are cheaper, highly versatile, easily roll-formed or shaped and provide excellent corrosion resistance and weldability, while also maintaining their durability. Two of the most common grades of stainless steel are 304 and 316. Trust that H&H Metals has the experience and knowledge to help you select the proper material and finish.Uses of stainless steel sheet include structural and construction applications, pressure vessels, offshore and marine equipment, telecommunication towers, military applications and general fabrication. This is often a corner that is cut, and ultimately regretted by designers and contractors. If only one side of the perforated panel is painted, then read through will show in the edges of the perforations, and it will not look good. It is imperative that both sides of the sheet are painted, regardless of if only one side is visible. For this reason sheets in architectural applications must include a de-greasing operation prior to any finishing process.įor projects where perforated metal panels are painted, we suggest a powder coating. We are witness of pallets of perforated metal oozing with grease/oil from the punching process. Perforating metal panels is an extremely greasy process. For interior panels, steel is an economical choice. If the perforated metal panels are exterior, consider aluminum or stainless steel as best options to prevent rust. Before you choose the base metal of the perforation, consider the ultimate finish of the panel. Often the best choices in architectural applications are not necessarily the least expensive product. Material Type & Finishes available on perforated panels We can create effects within the perforation style to include designs, logos, and patterns that are graduated in nature. This is commonly used in calculations for ventilation or if air needs to pass through the sheet.Īlthough it is most economical to use a standard pattern of perforated sheet off the shelf, H&H does also perform custom perforation by means of laser cutting or CNC routing. Open area refers to the % of area removed by the perforation process in relation to the entire sheet. Staggered patterns occur at typically 60° and 45° angles. Staggered means that each row of perforations is not in line with the adjacent row.= The spacing of the holes center to center A typical specification might read 3/16″ holes at 1/4″ O.C. Typically, most perforated metal patterns state a certain hole diameter with a certain spacing that creates a % of desired free area. Let’s set the record straight on all the jargon. Corrugated perforated panels can create stunning visual & lighting effects, making your building pop with excitement. Some examples include visual inspection, free air movement, sound absorption, light diffusion, or simply architectural preference. We make them out of Steel, Stainless Steel, and Aluminum and use them for a variety of reasons. Perforated metal panels come in a wide variety of patterns and configurations. Perforated Metal Panels – The “Hole” Story
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