Perforated/Expanded Metal Catalog : simplebooklet.com

Perforated Metal ....................................................................................... 1Types of Perforations ...............................................................................2Tool List with Open Area % ...................................................................3-4Rounds .....................................................................................................5Decorative and Architectural ....................................................................6Features, Formulas and U-Edging ...........................................................7Applications ..............................................................................................8Expanded Metal........................................................................................9Types of Expanded Metal .......................................................................10Regular Expanded Metal and U-Edging ................................................. 11Flattened Expanded Metal and Grating ..................................................12Applications, Features and Custom Fabrication .....................................13Direct Metals® Company, LLCCORPORATE HEADQUARTERS3775 Cobb International Blvd Kennesaw, GA 30152-4390Phone: (770) 528-9001 Fax: (770) 528-9002WISCONSIN OFFICE7844 102nd Street Pleasant Prairie, WI 53158Phone: (847) 599-0233Fax: (847) 599-0244info@directmetals.comwww.directmetals.comDisclaimer: Information of a technical nature contained herein is intended only for evaluation by technically skilled persons with any use thereof to be at their independent discretion and risk. Such information is reliable when evaluated in the proper manner under conditions as described herein. Direct Metals® shall have no responsibility or liability for results obtained or damagesresulting from improper evaluation or use.WE’LL CUT ANYTHINGIN OUR INVENTORYTO YOUR SPECS!800.711.4939perforated metaltable of contentsperforated metalexpanded metalISO 9001:2015 Certied“We manufacture in accordance with NAAMM Standards.”

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1800.711.4939www.directmetals.comPERFORATED METALPERFORATED METALPerforated metal is extremely versatile and lightweight. The mostcommon applications include: screens, diffusers, guards, filters, vents and more. We can perforate most any metal, plastic or rubber material with round, square, slotted, decorative or architectural holes.ROUND PERFORATIONOne of the most popular perforation options. Ventilation and decoration are some of its most common uses. You can choose from many sizes and patterns of holes.SLOTTED PERFORATIONProvides greater ventilation than round perforation and is better suited for decorative use than square perforation. Many slot sizes and pattern layouts are available by special order.DECORATIVE/ARCHITECTURAL PERFORATIONIdeal for many architectural applications that require an aesthetic appeal. Many decorative styles, extremely versatile and lightweight. Some architectural applications include: sunscreens, ceiling panels, exterior cladding or any application requiring a decorative look.U-EDGINGA perforated metal accessory that is a u-shaped strip attached to the edge of a perforated metal sheet to make the edges more attractive and safer. In carbon or stainless steel, aluminum andgalvanized.SQUARE PERFORATIONA good option when a greater open area is required in a project. This translates to greaterventilation and lighter weight. Many square sizes and pattern layouts.

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3800.711.4939www.directmetals.comPERFORATED METAL Perforations Type Holes Open (inches) Centers PSI Area .020 Straight 825 30% .020 Staggered 625 23% .023 Straight 576 24% .023 Staggered 400 18% .027 Straight 400 23% .027 Staggered 320 18% .033 Staggered 225 19% .033 Straight 330 29% .040 Straight 225 30% .040 Staggered 186 23% .041 Staggered – 32% .043 Staggered – 35% .045 Straight 225 37% .045 Staggered 169 28% .050 Straight 144 33% .050 Staggered 115 26% .055 Straight 144 33% .055 Staggered 135 30% .058 Straight 144 38% .058 Staggered 115 35% Perforations Type Holes Open (inches) Centers PSI Area .100 5/32" Staggered 36% .100 9/64" SL 45% .109 3/16" Staggered 29% .109 7/32" Staggered 23% .109 5/32" Staggered 45% .113 7/32" Staggered 25% .117 3/16" Staggered 33% .117 7/32" Staggered 27% .117 5/32" Staggered 50% .125 3/16" Staggered 40% .125 3/16" SL 28% .125 7/32" Staggered 29% .125 1/4" Staggered 23% .125 1/4" SL 20% .125 5/16" SL 11% .141 3/16" Staggered 51% .141 7/32" Staggered 38% .141 1/4" Staggered 28% .148 1/4" Staggered 30% .148 7/32" Staggered 30% .156 3/16" Staggered 62% .156 7/32" Staggered 46% .156 1/4" Staggered 36% .156 9/32" Staggered 28% .156 17/64" SL 26% .156 3/8" Staggered 15% .172 1/4" Staggered 43% .172 3/8" Staggered 19% .172 9/32" Staggered 33% .180 9/32" Staggered 35% .188 7/32" Staggered 66% .188 1/4" Staggered 51% .188 9/32" Staggered 41% .188 5/16" Staggered 33% .188 1/4" SL 55% .188 9/16" SL 12% .203 9/32" Staggered 47% .219 5/16" Staggered 45% .219 11/32" Staggered 36% Perforations Type Holes Open (inches) Centers PSI Area .063 3/32" Staggered 40% .063 1/10" Straight 30% .063 7/64" Staggered 30% .063 1/8" Staggered 23% .067 1/8" Staggered 28% .071 1/8" Staggered 30% .077 7/64" Staggered 45% .078 1/8" Staggered 36% .079 7/64" Straight 45% .083 1/8" Staggered 37% .083 5/32" Staggered 26% .093 9/64" Staggered 40% .093 5/32" Staggered 33% .093 11/64" Staggered 26% .093 3/16" Staggered 23% .093 3/16" SL 20% .093 17/64" (45°) Staggered 11% .093 1/4" Staggered 13%TOOL LIST

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PERFORATED METAL4www.directmetals.com800.711.4939 Perforations Type Holes Open (inches) Centers PSI Area .391 9/16" Staggered 45% .406 9/16" Staggered 47% .406 5/8" Staggered 42% .422 13/16" Staggered 25% .422 5/8" Staggered 27% .430 5/8" Staggered 30% .438 9/16" Staggered 54% .438 5/8" Staggered 45% .438 3/4" Staggered 30% .445 5/8" Staggered 47% .453 11/16" Staggered 47% .469 5/8" Staggered 47% .469 3/4" Staggered 38% .484 11/16" Staggered 42% .500 11/16" Staggered 47% .500 3/4" Staggered 40% .500 7/8" Staggered 30% .500 1" SL 20% .531 3/4" Staggered 45% .531 3/16" Staggered 40% .547 3/4" Staggered 42% .547 3/4" Staggered 45% .563 3/4" Staggered 51% .578 3/4" Staggered 55% .594 13/16" Staggered 48% .625 13/16" Staggered 53% .625 7/8" Staggered 47% .641 7/8" Staggered 50% .656 7/8" Staggered 50% .688 15/16" Staggered 50% .750 1" Staggered 51% .750 15/16" Staggered 55% .750 1-1/8" Staggered 40% .781 1" Staggered 53% .813 1-1/16" Staggered 50% .875 1-1/8" Staggered 54% 1.00 1-1/4" Staggered 58% 1.00 1-3/8" Staggered 48% Perforations Type Holes Open (inches) Centers PSI Area .219 9/16" Staggered 15% .219 7/16" SL 23% .223 11/32" Staggered 39% .234 5/64" Staggered 52% .234 11/32" Staggered 42% .234 3/8" Staggered 35% .242 3/8" Staggered 37% .250 5/16" Staggered 58% .250 11/32" Staggered 48% .250 3/8" Staggered 40% .250 1/2" Staggered 22% .250 1/2" SL 20% .250 1" SL 5% .258 7/16" Staggered 30% .258 3/8" Staggered 45% .266 3/8" Staggered 46% .281 3/8" Staggered 50% .281 13/32" Staggered 44% .297 7/16" Staggered 42% .305 7/16" Staggered 45% .313 3/8" Staggered 62% .313 7/16" Staggered 47% .316 7/16" Staggered 49% .320 1/2" Staggered 45% .328 7/16" Staggered 50% .328 1/2" Staggered 45% .336 1/2" Staggered 47% .344 15/32" Staggered 48% .344 1/2" Staggered 43% .352 1/2" Staggered 45% .359 15/32" Staggered 50% .359 17/32" Staggered 41% .359 3/4" Staggered 21% .367 9/16" Staggered 36% .375 1/2" Staggered 51% .375 17/32" Staggered 45% .375 9/16" Staggered 40% .375 5/8" Staggered 33% .375 11/16" Staggered 27% .383 9/16" Staggered 42%TOOL LIST

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5800.711.4939www.directmetals.comPERFORATED METAL1/16" @ 1/8"STAGGEREDOpen area . . . 22.5%.078 @ 1/8"STAGGEREDOpen area . . . 36%3/32" @ 5/32"STAGGEREDOpen area . . . 32%3/32" @ 3/16"STAGGEREDOpen area . . . 23%1/8" @ 3/16"STAGGEREDOpen area . . . 40%1/8" @ 1/4"STAGGEREDOpen area . . . 23%5/32" @ 7/32"STAGGEREDOpen area . . . 46%3/16" @ 1/4"STAGGEREDOpen area . . . 51%3/16" @ 5/16"STAGGEREDOpen area . . . 33%1/4" @ 5/16"STAGGEREDOpen area . . . 58%1/4" @ 3/8"STAGGEREDOpen area . . . 40%3/8" @ 9/16"STAGGEREDOpen area . . . 40%7/16" @ 9/16"STAGGEREDOpen area . . . 51%1/2" @ 11/16"STAGGEREDOpen area . . . 47%1/2" @ 3/4"STAGGEREDOpen area . . . 40%3/4" @ 1"STAGGEREDOpen area . . . 51%1" @ 1-1/4"STAGGEREDOpen area . . . 58%A FEW OF OUR PERFORATIONS - (holes at actual size)MANY ADDITIONAL PERFORATIONS AVAILABLE . . . ASK YOUR DIRECT METALS® SALESPERSONWE CAN PERFORATE MOST ANY METAL, PLASTIC OR RUBBERROUND HOLES

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7800.711.4939www.directmetals.comPERFORATED METALFormulas for Determining Percentage of Open AreasIn each formula “D” = hole diameter and “C” = center spacing60˚ Staggered CentersPattern (Standard)Dia2Center2x90.5=Percentage of Open AreaStraight Line PatternDia2Center2x78.54=Percentage of Open Area45˚ StaggeredCenters PatternDia2Center2x157.08=Percentage of Open AreaSunshade ApplicationBuilding ExteriorCOMMON APPLICATIONS OF ROUNDPERFORATED METAL• Vents • Screens • Guards• Diffusers • Strainers • Decorative • Grills • Filters ...and many moreFEATURES OF ROUND & SQUAREPERFORATED METAL• Lightweight • Customizable• Extremely Versatile • Economically Priced• Large Open Area • DecorativeMany more patterns, materials & gauges1" HeightU-EDGING (OPENINGS)Available in carbon steel, stainless steel, aluminum and galvanized .063" .125" .250" .437" .563"

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9800.711.4939www.directmetals.comEXPANDED METALEXPANDED METALExpanded Metal is extremely economical. It can even be adapted for use in just about any project. A wide number of styles and materials to choose from.FLATTENED EXPANDED METALCold rolled through a machine that flattens the metal after the expansion process. This is theperfect choice when a smooth surface is desired. EXPANDED METAL GRATINGExpanded metal grating is a strong and economical product used in a variety of industrial,commercial, and architectural applications.ARCHITECTURAL EXPANDED METALIt can be adapted for use in just about any architectural metal project. You will find a wide number of styles and materials to choose from. Available in flattened or standard.CUSTOM FABRICATED EXPANDED METALStocked in various patterns and can be custom fabricated to unique shapes and sizes such as circle, rectangle, oblong, etc.U-EDGINGAn expanded metal accessory that is a u-shaped strip attached to the edge of an expanded metal sheet to make the edges more attractive and safer. Available in carbon or stainless steel, aluminum and galvanized.REGULAR OR STANDARD EXPANDED METALIs offered in your choice of material, gauge and opening size. This is the best choice when a raised surface that is more rigid is required.

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EXPANDED METAL10www.directmetals.com800.711.4939REGULAR EXPANDED METALFLATTENED EXPANDED METALSHEARINGRegular Expanded Metal is a finished product as it comes from the press after having been die cut and expanded. Illustration shows that the strands and bonds form a sharp angle to the original plane of the solid sheet.Flattened Expanded Metal is regular expanded metal which has been cold rolled leaving a flat smooth surface.SIDE SHEARINGThe process of cutting a piece of expanded metal parallel to the long dimension of the diamond. Random Side Shearing - Side shearing is a cut made parallel to the LWD dimension of the sheet which usually leaves open diamonds. Flat expanded metal SWD shearing tolerance is plus or minus 1/8" when both sides are sheared. Bond Side Shearing - This cut is made along the length of the sheet on the center line of the bond over the specified width. In most cases it is not practical to attempt to Bond Side Shear either regular or flattened expanded metalbecause of camber. END SHEARINGThe process of cutting a piece of expanded metal parallel to the short way of the diamond. End Random Shearing - The process of shearing a piece of expanded metal to aspecified length (LWD). This cut normally leaves open diamonds at both ends butaccomplishes close tolerance (plus or minus 1/8") when both ends of flat expanded metal are sheared. End Bond Shearing - The process of shearing a piece of expanded metal to a specified length (LWD). A plus or minus 1/8" tolerance applies when both ends of flat expanded metal are sheared. One end is cut on the Bond parallel to the SWD, the other end usually has opendiamonds. NOTE: When End Bond Shearing isrequested for both ends of flat expanded metal, the sheet is sheared at the center line of the bond over the specified length. A tolerance minus 0 plus 1/2" diamond applies. It is possible to End Bond Shear, but extraordinary care must be exercised to maintain the squareness of the sheet. SQUARENESSWhen all four sides of a sheet of expanded metal are sheared, the maximum tolerance will be plus or minus 1/16" per foot of width.1/4" #20 Regular 1/4" #20 Flattened1/2" #16 Regular 1/2" #16 Flattened3/4" #13 Regular3/4" #13 Flattened1-1/2" #9 Regular1-1/2" #9 FlattenedPATTERNS SHOWN ACTUAL SIZESIDE BOND SHEARINGSIDE BOND SHEARINGSIDE RANDOM SHEARINGSIDE RANDOM SHEARING

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11800.711.4939www.directmetals.comEXPANDED METAL1" HeightU-EDGING (OPENINGS)Available in carbon steel, stainless steel, aluminum and galvanizedREGULAR EXPANDED METAL .063" .125" .250" .437" .563" Minimum Nominal Weight Design Opening Strand Overall No of (%) Thickness in Lbs. per Size Size Size Thickness Diamonds Open Style (inches)A 100 Sq. Ft.B (inches)C (inches)C (inches) (inches) Per Ft. Area SWD LWD SWO LWO Width Thickness SWD LWD 1/4" - #20 .032 85 .250 1.00 .157 .718 .072 .036 .146 48 12 42 1/4" - #18 .042 113 .250 1.00 .146 .718 .072 .048 .151 48 12 42 1/2" - #20 .032 42 .500 1.20 .407 .938 .072 .036 .146 24 10 71 1/2" - #18 .042 69 .500 1.20 .382 .938 .088 .048 .180 24 10 65 1/2" - #16 .053 85 .500 1.20 .372 .938 .087 .060 .183 24 10 65 1/2" - #13 .083 141 .500 1.20 .337 .938 .096 .090 .212 24 10 62 3/4" - #16 .053 54 .923 2.00 .783 1.750 .101 .060 .208 13 6 78 3/4" - #13 .083 77 .923 2.00 .760 1.688 .096 .090 .212 13 6 79 3/4" - #10 .083 117 .923 2.00 .718 1.625 .144 .092 .300 13 6 69 3/4" - #9 .127 178 .923 2.00 .675 1.562 .150 .134 .329 13 6 67 1" - #16 .053 43 1.00 2.40 .872 2.062 .087 .060 .183 12 5 83 1-1/2" - #18 .042 20 1.33 3.00 1.229 2.625 .068 .048 .144 9 4 90 1-1/2" - #16 .053 40 1.33 3.00 1.184 2.625 .108 .060 .221 9 4 84 1-1/2" - #13 .083 58 1.33 3.00 1.160 2.500 .105 .090 .228 9 4 84 1-1/2" - #10 .083 76 1.33 3.00 1.132 2.500 .138 .090 .288 9 4 79 1-1/2" - #9 .127 119 1.33 3.00 1.087 2.375 .144 .134 .318 9 4 78 1-1/2" - #6 .184 247 1.33 3.00 .979 2.313 .203 .198 .452 9 4 69 2" - #10 .083 65 1.85 4.00 1.630 3.438 .164 .090 .335 7 3 82 2" - #9 .127 88 1.85 4.00 1.603 3.375 .149 .134 .327 7 3 84A The minimum thickness is absolute, not subject to minus variation.B A variation in weight per square ft. of + or - 10% is permissible, based on the weight of any sheet or bundle.C A tolerance of + or - 10% is permitted in dimensions, center-to-center.STANDARD - CARBON STEEL 1/2" - #18 .044 69 .500 1.20 .383 .937 .087 .048 .178 24 10 65 1/2" - #16 .055 87 .500 1.20 .372 .937 .087 .060 .183 24 10 65 1/2" - #13 .085 143 .500 1.20 .418 .876 .096 .090 .254 24 10 62 3/4" - #18 .044 46 .923 2.00 .790 1.750 .106 .048 .212 13 6 77 3/4" - #16 .055 57 .923 2.00 .779 1.760 .106 .060 .217 13 6 77 3/4" - #13 .085 87 .923 2.00 .751 1.687 .107 .090 .232 13 6 77 3/4" - #9 .128 194 .923 2.00 .666 1.562 .160 .135 .347 13 6 65 1-1/2" - #16 .055 43 1.33 3.00 1.179 2.750 .115 .060 .234 9 4 83 1-1/2" - #13 .085 65 1.33 3.00 1.152 2.625 .115 .090 .246 9 4 83 1-1/2" - #9 .128 130 1.33 3.00 1.077 2.500 .155 .135 .338 9 4 77STANDARD - STAINLESS STEEL 1/2" - .050 .045 26 .500 1.20 .376 .937 .093 .050 .190 24 10 63 1/2" - .080 .074 43 .500 1.20 .346 .937 .096 .080 .208 24 10 62 3/4" - .050 .045 17 .923 2.00 .786 1.750 .109 .050 .219 13 6 76 3/4" - .080(Lt.) .074 31 .923 2.00 .741 1.680 .129 .080 .268 13 6 72 3/4" -.080(Hvy.) .074 40 .923 2.00 .711 1.680 .165 .080 .333 13 6 64 3/4" - .125 .118 64 .923 2.00 .667 1.680 .169 .125 .359 13 6 63 1-1/2" - .080 .074 22 1.33 3.00 1.149 2.500 .128 .080 .266 9 4 81 1-1/2" - .125 .118 43 1.33 3.00 1.080 2.500 .162 .125 .346 9 4 76STANDARD - ALUMINUM

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EXPANDED METAL12800.711.4939FLATTENED EXPANDED METAL & GRATINGA The minimum thickness is absolute, not subject to minus variation.B A variation in weight per square ft. of + or - 10% is permissible, based on the weight of any sheet or bundle.C A tolerance of + or - 10% is permitted in dimensions, center-to-center. Minimum Nominal Weight Design Opening Strand Overall No of (%) Thickness in Lbs. per Size Size Size Thickness Diamonds Open Style (inches)A 100 Sq. Ft.B (inches)C (inches)C (inches) (inches) Per Ft. Area SWD LWD SWO LWO Width Thickness SWD LWD 1/4" - #20 .026 74 .250 1.05 .092 .715 .079 .029 .029 48 11.4 37 1/4" - #18 .034 100 .250 1.05 .090 .715 .080 .038 .038 48 11.4 36 1/2" - #20 .026 37 .500 1.26 .342 1.000 .079 .029 .029 24 9.5 68 1/2" - #18 .034 61 .500 1.26 .306 1.000 .097 .038 .038 24 9.6 61 1/2" - #16 .043 77 .500 1.26 .304 1.000 .098 .048 .048 24 9.5 61 1/2" - #13 .066 126 .500 1.26 .286 1.000 .107 .072 .072 24 9.5 57 3/4" - #16 .043 47 .923 2.10 .701 1.750 .111 .048 .048 13 5.7 76 3/4" - #14 .054 56 .923 2.10 .713 1.760 .105 .060 .060 13 5.7 77 3/4" - #13 .066 67 .923 2.10 .711 1.781 .106 .072 .072 13 5.7 77 3/4" - #10 .066 102 .923 2.10 .603 1.755 .160 .072 .072 13 5.7 65 3/4" - #9 .101 157 .923 2.10 .593 1.688 .165 .108 .108 13 5.7 64 1" - #16 .043 38 1.000 2.52 .804 2.250 .098 .048 .048 12 4.8 80 1-1/2" - #16 .043 35 1.330 3.15 1.092 2.750 .119 .048 .048 9 3.8 82 1-1/2" - #14 .054 43 1.330 3.15 1.098 2.750 .116 .060 .060 9 3.8 83 1-1/2" - #13 .066 51 1.330 3.15 1.098 2.750 .116 .072 .072 9 3.8 83 1-1/2" - #9 .101 105 1.330 3.15 1.104 2.563 .158 .108 .108 9 3.8 76FLATTENED - CARBON STEEL 1/2" - #18 .037 66 .500 1.26 .304 1.000 .098 .041 .041 24 9.5 61 1/2" - #16 .047 84 .500 1.26 .302 1.000 .099 .051 .051 24 9.5 60 1/2" - #13 .072 136 .500 1.26 .236 .915 .107 .076 .076 24 9.5 57 3/4" - #18 .037 43 .923 2.10 .687 1.812 .118 .041 .041 13 5.7 74 3/4" - #16 .047 54 .923 2.10 .687 1.812 .118 .051 .051 13 5.7 74 3/4" - #13 .072 83 .923 2.10 .683 1.750 .120 .076 .076 13 5.7 74 3/4" - #9 .108 185 .923 2.10 .593 1.687 .179 .114 .114 13 5.7 61 1-1/2" - #16 .047 41 1.33 3.15 1.074 2.750 .128 .051 .051 9 3.8 81 1-1/2" - #13 .072 62 1.33 3.15 1.070 2.625 .130 .076 .076 9 3.8 80 1-1/2" - #9 .108 124 1.33 3.15 .960 2.625 .174 .114 .114 9 3.8 74FLATTENED - STAINLESS STEEL 1/2" - .050 .034 22 .500 1.26 .292 1.000 .104 .038 .038 24 9.5 58 1/2" - .080 .056 35 .500 1.26 .290 1.000 .105 .060 .060 24 9.5 58 3/4" - .050 .034 14 .923 2.10 .679 1.812 .122 .038 .038 13 5.7 74 3/4" - .080(Lt.) .056 26 .923 2.10 .637 1.750 .143 .060 .060 13 5.7 69 3/4" -.080(Hvy.) .056 33 .923 2.10 .561 1.750 .181 .060 .060 13 5.7 61 3/4" - .125 .089 53 .923 2.10 .549 1.750 .187 .094 .094 13 5.7 59 1-1/2" - .080 .056 18 1.33 3.15 1.044 2.750 .143 .060 .060 9 3.8 78 1-1/2" - .125 .089 36 1.33 3.15 .968 2.750 .181 .094 .094 9 3.8 73FLATTENED - ALUMINUM Nominal Weight Design Opening Strand Overall No of (%) in Lbs. per Size Size Size Thickness Diamonds Open Style 100 Sq. Ft.A (inches)B (inches)B (inches) (inches) Per Ft. Area SWD LWD SWO LWO Width Thickness SWD LWD 2.0 lb. 200 1.33 5.33 1.000 3.60 .235 .135 .460 9 2.25 77 3.0 lb. 300 1.33 5.33 .940 3.44 .264 .183 .540 9 2.25 60 3.14 lb. 314 2.00 6.00 1.625 4.88 .312 .250 .656 6 2.00 69 4.00 lb. 400 1.33 5.33 .940 3.44 .300 .215 .618 9 2.25 55 4.27 lb. 427 1.41 4.00 1.000 2.88 .300 .250 .625 8.5 3.00 58 5.00 lb. 500 1.33 5.33 .813 3.38 .331 .250 .655 9 2.25 50 6.25 lb. 625 1.41 5.33 .813 3.38 .350 .312 .715 8.5 2.25 50 7.00 lb. 700 1.41 5.33 .813 3.38 .391 .318 .740 8.5 2.25 45 3.30 lb. 332 2.00 6.00 1.625 4.88 .312 .250 .656 6 2.00 69 4.50 lb. 425 1.41 4.00 1.000 2.88 .300 .250 .625 8.5 3.00 58GRATING - CARBON STEELGRATING - STAINLESS STEEL 2.00 lb. 200 1.33 5.33 .940 3.44 .387 .250 .730 9 2.25 48GRATING - ALUMINUMwww.directmetals.comA A variation in weight per square ft. of + or - 5% is permissible, based on the weight of any sheet or bundle.B A tolerance of + or - 5% is permitted in dimensions, center-to-center.

Perforated/Expanded Metal Catalog

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