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

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