expanded metal terminology

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