Stainless steel expanded metal mesh is made of a single solid sheet of compressed and stretched material. The expanded metal grating is useful for heavyweight custom parts washing applications, as well as providing open space for airflow and drainage.
There are two distinct varieties of expanded stainless steel mesh used for baskets: standard expanded metal mesh and flattened expanded metal mesh. The term “standard expanded metal” refers to the metal as it comes out of the expanding machine. On the other hand, flattened expanded metal is what happens when standard expanded metal is put through a cold rolling steel mill to flatten the expanded stainless steel mesh.
Regular expanded metal, also named raised or standard expanded metal panel is manufactured by slitting and stretching metal sheets. Because of the characteristics of good appearance and sturdy durable, raised expanded metal to have the most common use than other patterns.
Flattened expanded metal comes from passing the raised expanded metal panels through cold roll flattening press, which flattens the strands and bonds surface and reduces the thickness, and elongates the pattern. Features of flattened expanded metal panel: High cost-effective; Sturdy and durable; Cycle use; Good antiskid effect.
Flattened Expanded Metal Mesh
How stainless steel expanded metal is made depends on the type.
In the process of making standard expanded metal, the expander and the sheet metal’s thickness determine the specific dimensions of the expanded metal, though the thickness of the metal strands and the open space between them will be consistent and regular. Depending on the expanding equipment, standard expanded metal may have a slightly rounded appearance. This helps reduce any risk of wash process runoff collecting in the expanded metal basket.
Flattened expanded metal is put through cold rolling steel to flatten the mesh. This makes the expanded metal grating thinner, flatter, and wider/longer. This type of expanded metal may have dimensions slightly different from any original estimates since it can be difficult to predict how much expansion will occur during the flattening process.
The choice between flattened and standard expanded metal mesh depends on the application. Standard expanded metal is often more useful for parts washing applications because the raised centers of the bonds prevent liquids from pooling in the basket. Flattened expanded metal, on the other hand, maybe more useful for certain parts handling applications or for making larger custom mesh baskets slightly lighter by thinning out the metal mesh.
Regular Expanded Metal
When measuring expanded stainless steel metal mesh, it’s important to consider the overall size of the metal plate after it is expanded, its long and short way of opening, and its strand thickness and width. This is because each of these factors will affect the basket’s performance.
For example, larger LWOs and SWOs mean the holes in the mesh are larger, which improves airflow for the expanded stainless steel mesh basket. On the other hand, thicker and wider strands tend to be stronger than thinner strands.
Comparing LWO and SWO against LWD and SWD helps to confirm the width of metal strands and the overall open space of the mesh. For example, if the SWD and LWD of the mesh are 0.5” and 1”, and the SWO and LWO are 0.4” and 0.8”, then the width of the bond should be approximately 0.2” x 0.4”. This would provide a strand width of 0.1”. This would also create an open space of roughly 0.5 inches squared for each opening in the mesh.
Hebei Ares Metal Products Sales Co., Ltd. is the branch company of Huijin Wire Mesh Co., Ltd. It was set up in 2019 and is mainly responsible for the sales of expanded metal, perforated metal, safety grating, and architectural decoration meshes.
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