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What You Need to Know about Expanded Standard

  • December 17, 2020
    If you bought a bag of sugar and got home to discover it was half filled
    with sawdust, you’d demand your money back and probably report the
    store to the authorities. If you ordered ¾ #9
    standard expanded metal and it arrived in a different size or gauge,
    would you realize you had been cheated? Could you measure it to see if
    it conforms to the specification? Do you even know there is a
    specification?To get more news about Expanded metal sheet, you can visit mesh-fabrics official website.

    service centers purchase and stock expanded metal sheet. The Expanded
    Metal Manufacturers Association has spent the last three years updating
    EMMA 557-15, the Standard for Expanded Metals. EMMA is working with the
    American Society of Testing Materials to assure that its specification,
    ASTM F-1267-15, is also mathematically and physically accurate. Below is
    an introduction to both specs.

    To identify the product, it
    helps to be familiar with some basic nomenclature. First, the “pattern”
    is determined by the user’s needs and is designated by the diamond size
    and the material thickness. Over time, industry practice has made some
    of these designations less accurate. For instance, ½ #13 (stated as “half thirteen”) has a half-inch opening and is made from 13-gauge steel. Conversely, ¾ #9 has an opening of 0.923 inch and is made from 10-gauge material.

    the pattern, users must consider whether they need “standard” (also
    called raised or regular) or “flattened” expanded metal. Raised
    material, with its multiple facets, is what comes out of the expanding
    press. Flattened material has been run through a cold mill. Standard
    material is often used for its traction, in a ladder or catwalk for
    example, while flattened material might be used for a grilling
    surface.Finally, the sheet size must also be specified. Expanded
    products typically are produced in 4-by-8 sheets, but many sizes are
    available. Sheets also can be sheared to produce custom sizes.