"Flattened Expanded Metal" is created by cold-rolling and flattening standard expanded metal mesh. The resulting surface is smooth and level, free from raised strands or nodes, while also being lighter and featuring larger openings. The product is formed from a single sheet of material through a continuous expansion process; it has no weld points or seams, ensuring a robust structure. While maintaining high strength, it offers superior flatness and ease of processing compared to standard expanded metal. It is widely used in applications requiring a smooth surface, such as architectural decoration, industrial safety guarding, and municipal infrastructure.
Product Features
Flat Surface
Standard expanded metal has raised strands and nodes after punching; cold-rolling flattens the entire mesh surface into a single plane. It is safe to touch (won't scratch hands or feet), making it ideal for applications requiring a smooth finish.
One-Piece Construction, No Welds
Formed from a single sheet via a continuous punching and expansion process, the mesh has no weld points or seams. This eliminates issues like rusting or detachment at weld points and ensures structural integrity.
Lighter Weight, Larger Openings
The flattening process reduces the material thickness and elongates the mesh, resulting in a lighter product than standard expanded metal, with correspondingly larger openings.
Easy Secondary Processing
The flat surface makes cutting, bending, welding, and coating easier than with standard expanded metal, facilitating further fabrication.
Customization Services
Materials
Carbon steel, 304 stainless steel, 316 stainless steel, galvanized sheet, aluminum sheet, copper sheet, nickel sheet, and titanium sheet are all available.
Dimensions
Sheet thickness 0.5–10.0 mm; mesh pitch (LWD) 4–300 mm and (SWD) 2–150 mm; maximum sheet width 3,100 mm; length cut-to-size or supplied in coils.
Hole Patterns
Diamond is the standard pattern; square, hexagonal, and fish-scale patterns can also be customized.
Surface Treatment:
Hot-dip galvanizing (≥80 μm), electro-galvanizing, powder coating (RAL colors), PVC coating, spray painting, polishing, and anodizing are all available.
Flattening Level
Light rolling (flattening only the strand intersections) or full rolling (flattening the entire sheet into a flat plate).
Additional Processing
Further processing such as edge bending, custom shape cutting, and frame welding can be performed upon request.
FAQ
Q: Can flat expanded mesh be formed into curved or irregular shapes?
A: Yes. It is inherently flat and easy to process-bending, cutting, and stamping are all straightforward-making it much more convenient to shape into curves or custom forms compared to standard expanded metal.
Q: Is Flattened Expanded Metal suitable for stair treads?
A: Yes, it is suitable. It is particularly well-suited for indoor use or applications requiring a smooth surface, as it is comfortable to walk on. If slip resistance is a concern, the surface can be treated with an embossed or serrated finish.
Q: What is the difference between Flattened Expanded Metal and standard expanded metal?
A: Standard expanded metal features raised strands and junctions on its surface after stamping. In contrast, Flattened Expanded Metal is cold-rolled to flatten it, resulting in a completely smooth surface that won't scratch hands or feel uncomfortable underfoot; it is also lighter in weight and features larger openings.
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