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It is stronger, lighter in weight and more rigid than the original base metal. Expanded Metal Machine; Terminology of Perforated Metal. Conventional mesh is formed in a diamond pattern. Strand width Metal plate length for making one strand. The strand width is the amount of metal slit from the parent metal in forming the mesh. SWD – Short way of diamond Base Metal: Original metal before it is expanded; thickness is usually stated as gauge. It can be treated by galvanized, PVC coated, powder coated, etc. SWO – Short way of opening National Hardware N301-606 4075BC Expanded Steel - 3/4" … Strand: The single metal strip that forms the perimeter of the diamond. The Definitions of Expanded Metal Terminology. Midwest produces Expanded Metal in a variety of materials such as aluminum, stainless steel, galvanized, carbon steel, copper, brass and titanium. Expanded metal panel is made of a single metal sheet and there are no welds or weak points, so it has sound structure. Hole center is one of two measures of perforation spacing. L.W.D. There is an instruction of ordering expanded metal panels, it helps you make an order. Bond The solid intersection of two strands. Produces closed uniform meshes. Expanded Metal Manufacturing Process. It is stronger, lighter in weight and more rigid than the original base metal. : Short way of the opening. Conventional mesh is formed in a diamond pattern. Bonds and strands are turned down to produce a smooth surface. Measured from the centre of one bond to the centre of the next. LWD: Long way of the diamond, the distance from the center of one bond to the center of the next bond across the longer opening of the diamond. Expanded metal products are designated by a series of numbers which identify a given style. The first number designates nominal diamond pitch Short Way of Diamond (SWD) The second number used in conjunction with the first may specify the gauge of metal. Be sure to view the 'Expanded Solutions Process' page for a technical overview of the process and terminology. Unflat – Standard expanded metal with raised diamonds; hence the term Unflattened Metal. Raised panels have strands that overlap to provide a skid-resistant surface. Hole Center is the distance from the center of one hole to the center of the nearest hole in the next adjoining row. Expanded metal Terminology. A specialized product line focused on the needs of its energy industry customers ... TERMINOLOGY. Also called regular, unflattened, or raised expanded metal. (See diagram). The strands and knuckles are set at a uniform angle to the plane of the sheet. Standard Expanded Metal: Amount of metal fed into the expanding machine, which is slit and stretched with each stroke of the upper die. S.W.O. LWO – Long way of opening. Bond Edge – Part produced with closed diamonds. EXPANDED METAL Terminology SWD- "Short way Of diamond, or design" d menslon; first ... Strand Width- Amount of metal fed under the dies to produce one strand. The first rule in testing expanded metal and expanded plastic is the need for new rules. S.W.D. Expanded Metal. SWD Nominal dimension, Short Way of Diamond. Raised expanded metal is the form the product takes when it goes through the expanding process described earlier. This … Bond The solid intersection of two strands. rigid than the original base metal. Expanded Metal: A rigid piece of metal that has been slit and drawn into an open mesh pattern in a single operation. This is closely controlled and is directly related to the weight, overall Strand Thickness – Gauge thickness of strand. : Short way of the diamond. L.W.O. mesh pattern in a single operation. Expanded Metals Terminology: Expanded Metal: A rigid piece of metal that has been slit and drawn into an open mesh pattern in a single operation. Diamond: The open area formed by stands and bonds. Measured as above. SILL: A metal channel secured to the floor in which the sill section of a hollow metal … They are also referred to as Expanded Metal Coils. 94. Expanded panels are more rigid than perforated panels and are for use when structural stability is important. LW Long way of expanded metal sheet. Energy Products . Made from a sheet of metal uniformly slit and stretched, forming diamond-shaped openings in the sheet – expanded metal is a one piece construction, diamond-shaped trusses add strength and rigidity. Unflattened: Expanded metal as it is produced off the expanded metal press with no secondary flattening operation. Get it as soon as Mon, Jan 18. select an abbreviation to learn more. Expanded Metal: A rigid piece of metal that has been slit and drawn into an open Typical footage per coil is 2,000 or more feet. Our expanded metals are often used as Safety Grating, Chimney Cpas, Wire Mesh, guards, fixtures, filters and more. The first number is the nominal diamond dimension Long Way of design (LWD) which is determining our Product code. Short way of diamond (SWD) The length of short diamond diagonal from one pitch point center to another pitch point center. Measured from the inside of the bonds. Strand: One side of expanded metal design. Flattened Expanded Metal: Width of the strand. Expanded metal as it comes from the press. Hole Center . LWD – Long way of diamond Flattened: Expanded metal that has been cold-rolled after expansion, to provide a smooth, flat, and level sheet. Diamonds—open area of metal after expanding. Random Sheared Edge – The shearing operation produces an “open” or random edge. It is commonly used for fences and grates, and as metallic lath to support plaster or stucco Description. Bond: The point where adjacent strands meet. SHEARING. It is most easily classified as either standard or flattened, but can also be grouped according to specific end-uses (for example, filter mesh, industrial mesh, grating and decorative meshes). Use them to create safety guards for equipment and machinery.. Steel is lightly oiled. LWD Nominal dimension, Long Way of Diamond. The other is open area. Style Designation. Our expanded metals are often used as Safety Grating, Chimney Cpas, Wire Mesh, guards, fixtures, filters and more. Metals Service Centers . FLATTENED. Publish Time:2015-08-21 Hits:1048. Return to our 'Expanded Metals' page, or browse our 'Expanded Metal Grating', 'Sun Shade & Micro-Mesh' and 'Expanded Mini-Mesh' pages for product specs of each type. Expanded metal is a type of sheet metal which has been cut and stretched to form a regular pattern (often diamond-shaped) of metal mesh-like material. Coil  Expanded metal that is produced to a specific width and then wound on a core. Expanded metal products are defined by a series of numbers which identify a given style. They can be formed and welded; however, they are more difficult to cut than perforated panels. The Expanded Metal Company is a leader and innovator in the development and manufacture of expanded metal mesh products, combining more than a century of industrial experience with cutting edge technical capabilities and advanced production processes. EXPANDED METAL TERMINOLOGY BOND: WHERE TWO STRANDS INTERSECT SWD SWO LWO LWD Strand Thickness LWD SWD S.W.D. Expanded metal products are designated by a series of numbers which identify a given style. Measured form a point to a corresponding point on the adjacent diamond. Bond—the solid intersection of two strands. This adds strength and rigidity, allows air circulation, and distributes the load on the metal to the supporting frames. Expanded Metal Products Terminology - Dimensions for metal mesh sizing. It is stronger, lighter in weight and more The flattening process usually reduces the original gauge of the base metal. BB/S, an older term not much used, expanded metal mesh or walkway grating that is sheared or cut to a defined size along a centerline on the bond or knuckle. The Company distributes steel products and conducts its distribution business in three principal business segments: metals service centres; energy products and steel distributors. Produces closed uniform meshes.This … ex. Conventional mesh is formed in a diamond pattern. Strand thickness Thickness of the metal that to be expanded. The standards of Ultimate Tensile, Yield Strength and Elongation do not necessarily apply. SWD - Short Way of Design - Distance from a point on a bond to a corresponding point … (See Diagram), LWD: Long way of design measured from center of bond to center of bond. Online Metal Supply Steel Expanded Metal, Galvanized, Flattened Sheet 1/2#16.050" x 12" x 12" 4.2 out of 5 stars 19. Terminology. : Long way of the diamond. A broad line of products in a wide range of sizes, shapes and specifications. (See Diagram), SWD: Short way of design measured from center of bond to center of bond. Sheet size is dependent on where the bond falls during the M/R process. Standard expanded metal that has been passed through a cold roll mill. SW Short way of expanded metal sheet. Decorative Expanded Metal: Manufactured with unique shaped openings which possess great appeal for architects and designers. . Expanded Metal Terminology 101 Midwest produces Expanded Metal in a variety of materials such as aluminum, stainless steel, galvanized, carbon steel, copper, brass and titanium. Terminology of Expanded Metal. POURED IN PLACE: A metal device used to secure a frame to new concrete pour in place wall. Flat – Expanded metal that is cold-rolled after expansion, to provide a smooth, flat and level sheet; thus the term Flattened Metal.  The flattening process will reduce the original thickness by approximately 10%. MULLION: A metal clip or angle in either 1 or 2 pieces, secured to the floor in which mullion is then positioned over. Expand Collapse Change sector Metals Service Centers . Expanded Metal comes in a standard (raised) or flattened diamond pattern in a variety of gauges, opening sizes, materials and sheet sizes. Shearing Tolerances ... Raised Expanded How To Order Expanded Metal Specify the size sheet required, listing SWD first. Expanded Metal is a versatile and economical. $18.94 $ 18. SECOND NUMBER: used in conjunction with the first number MAY specify the gauge of metal, weight per hundred square feet, or may have some other significance. Squareness – An expanded metal blank will be square to within the largest tolerance of length or width. BB/S, an older term not much used, expanded metal mesh or walkway grating that is sheared or cut to a defined size along a center line on the bond or knuckle.Sheet size is dependent on where the bond falls during the M/R process. The expanded metal terminology helps you understand the specification and make an order quickly.  (Example) Part size 24″  (+-1/32) LWD x 24″ (+-1/16)  SWD will be square to within 1/16″. Expanded metal is an extraordinarily versatile material. Finished Thickness: Thickness of expanded metal after it’s final secondary operation(s). Russel Metals is one of the largest metals distribution and processing companies in North America. Expanded Metal Ordering Procedure. Camber—the bow of a side or edge from end to end from a straight line. Established China Manufacturer and Exporter of Expanded Metal Sheets from Standard Flattened Diamond Mesh to Raised Heavy Hexagonal Mesh Patterns, Decorative Expanded Metal Mesh for Architectural Cladding. Expanded Metal Grating: Sheet or plate expanded into a structural open grating ideal for catwalk and platform application. TERMINOLOGY - EXPANDED METAL The term STRAND refers to the actual components which constitute the diamond pattern in expanded metal. Expanded Metal Terminology. The sides of expanded metal design. Material looks similar to a louvered design. Terminology. (See Diagram), Bond: The solid intersection of two strands - Double the strand width. Expanded Metal Terminology . STRAND The term STRAND WIDTH refers to the width of the material and is always half of the knuckle measurement. The strands and bonds are set at a uniform angle to the plane of the sheet. Expanded Metals Terminology. FREE Shipping on orders over $25 shipped by Amazon. Design Size Actual dimension SWD and LWD. Long way of diamond (LWD) Steel Expanded Metal is a sheet product that has been slit and stretched to a wide array of diamond shaped openings.Steel Expanded Metal offers savings in weight and metal, free passage of light, liquid, sound and air, while providing a decorative or ornamental effect. FIRST NUMBER: designates nominal diamond pitch Short Way of Design (SWD). EM 30 as per the illustration on the left. Simply establishing the area to be considered becomes a point of discussion. Expanded metal Terminology STYLE DESIGNATION Expanded metal products are designated by a series of numbers which identify a given style The first number designates nominal diamond pitch Short Way of Diamond (SWD) The second number used in conjunction with the first may specify the gauge of metal. Random Sheared edge – the shearing operation produces an “ open ” or random edge point... Corresponding point on the needs of its energy industry customers... terminology a rigid piece of metal has. 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