1、Designation: F1267 18Standard Specification forMetal, Expanded, Steel1This standard is issued under the fixed designation F1267; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses ind
2、icates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification covers expanded metal.1.1.1 Expanded metal covered by
3、this specification is in-tended for a variety of applications.1.2 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only and may be approximate.1.3 The following precautionary caveat pertains only to thetest methods portion, S
4、ection 11, of this specification. Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety, health, andenvironmental practices and determine the applicability ofregulatory
5、 limitations prior to use.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-mendations issued by the World Trade Organiz
6、ation TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2A123/A123M Specification for Zinc (Hot-Dip Galvanized)Coatings on Iron and Steel ProductsA240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for PressureVessels a
7、nd for General ApplicationsA653/A653M Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by the Hot-Dip ProcessA666 Specification for Annealed or Cold-Worked AusteniticStainless Steel Sheet, Strip, Plate, and Flat BarA700 Guide for Packaging, Marking, and
8、Loading Methodsfor Steel Products for ShipmentA1008/A1008M Specification for Steel, Sheet, Cold-Rolled,Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, SolutionHardened, and Bake HardenableA1011/A1011M Specification for Steel, Sheet and Strip,Hot-Rolled
9、, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with ImprovedFormability, and Ultra-High Strength2.2 SAE Standard:3SAE J 1086 Numbering Metals and Alloys (Stabilized Oc-tober 2012)2.3 Military Standards:4MIL-C-16173 Corrosion Preventive Compound, SolventCutback, Cold-Applicati
10、onMIL-STD-105 Sampling Procedures and Tables for Inspec-tion by Attributes3. Terminology3.1 Expanded Metal Terminology:3.1.1 bond, nthe solid intersection of two strands.3.1.2 camber, nthe bow of a side or edge from end to endfrom a straight line.3.1.3 diamonds, nopen area of metal after expanding.M
11、ost expanded metal open area or patterns are uniformdiamond shaped, but may also be hexagonal, louvered,asymmetric, square, or other shapes, or combinations thereof.3.1.4 edge configuration, nrefers to the edge condition ofa sheet may they be closed diamonds (bonded), or opendiamonds (random) produc
12、ed by shearing.3.1.5 expanded metal, na rigid sheet of metal that issimultaneously been slit and stretched creating an open dia-mond pattern.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloysand is the direct responsibility of Subcommittee
13、A01.19 on Steel Sheet and Strip.Current edition approved March 1, 2018. Published April 2018. Originallyapproved in 1989. Last previous edition approved in 2015 as F1267 15. DOI:10.1520/F1267-18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at
14、serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001, http:/www.sae.org.4Available from Manufacturers Standardization
15、 Society of the Valve and FittingsIndustry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis internation
16、al standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee
17、.13.1.6 flattened, v (F)expanded metal that has been cold-rolled after expansion.3.1.7 flattening, advthe process of producing flattenedexpanded metal.3.1.8 grating, nexpanded metal that is produced fromheavier sheet.3.1.9 levelness, n(flatness of sheet), sheets shall be freefrom waves or buckets th
18、at are in excess of 112 in. from a planesurface.3.1.10 LWD, nnominal dimension, Long Way of theDiamond.3.1.11 LWO, nLong Way of the Opening.3.1.12 regular-raised-standard, n(R) expanded metal as itcomes from the press. The strands and bonds are set at auniform angle to the plane of the sheet.3.1.13
19、SWD, nnominal dimension, Short Way of theDiamond.3.1.14 SWO, nShort Way of the Opening.3.1.15 shearing, ncutting the sheet to a specific size ortolerance.3.1.16 squareness, nthe dimensional variance a side andedge are out of square.3.1.17 strand thickness, nthickness of the base metal3.1.18 strand t
20、hickness, n, and strand width, ncan bevaried to create different expanded metal products for differentapplications.3.1.19 strand width, namount of material fed through topand bottom dies to produce one strand.3.1.20 taper, nedges of a sheet that deviates from parallel.4. Classification4.1 Expanded m
21、etal shall be of the following types, classes,and grades as specified (see 5.1.2).4.2 Type:4.2.1 Type IExpanded (see Fig. 1).4.2.2 Type IIExpanded and flattened (see Fig. 2).4.3 Class:4.3.1 Class 1Uncoated.4.3.2 Class 2Hot-dip zinc-coated (galvanized or gal-vannealed).4.3.3 Class 3Corrosion-resistin
22、g steel.4.4 GradePertains only to post-galvanized or gal-vannealed coating.4.4.1 Grade A0.0025 in. (0.06 mm) minimum coatingthickness.4.4.2 Grade B0.0012 in. (0.03 mm) minimum coatingthickness.5. Ordering Information5.1 Orders for material under this specification shall includethe following informat
23、ion, as required, to describe the materialadequately:5.1.1 ASTM designation,5.1.2 Type, class, and grade of steel required (see 4.1),5.1.3 Material required (see 6.1),5.1.4 Direction of shear, if not as specified (see 6.2.1),5.1.5 Length, width, and thickness of uncoated mesh, andweight per square f
24、t. uncoated (see Tables 1-6),5.1.6 Size of sheet required, if other than sizes specified in7.1,5.1.7 Whether or not sheets from which samples have beenselected for coating thickness test may be included as part ofmaterial shipped (see 10.1.2), and5.1.8 Optional requirements, if any (see Supplementar
25、yRequirements S1 through S3).6. Materials and Manufacture6.1 Expanded metal shall be made from Commercial Steel(CS Type B) carbon steel sheets as specified in SpecificationsA1008/A1008M or A1011/A1011M or from stainless steelsheets as specified in Specifications A240/A240M or A666.6.2 Expanded metal
26、 shall be manufactured from sheet steelin thicknesses corresponding to Tables 1-6 as specified (see5.1.5).6.2.1 Each opening shall be integral with adjoining open-ings by means of unsheared bonds (see Fig. 1 and Fig. 2) of theoriginal sheet.FIG. 1 Type I, Expanded and RaisedF1267 1827. Dimensions, M
27、ass, and Permissible Variations7.1 Unless otherwise specified (see 5.1.6), Type I expandedmetal shall be furnished in sheets 4 ft (1.2 m) wide by 8 ft (2.4m) long, and Type II, flattened, expanded metal shall befurnished in sheets 4 ft (1.2 m) wide by 8 ft (2.4 m) long.7.2 Types I and II expanded me
28、tal shall be furnished inaccordance with the weights and dimensions as specified inTables 1-6, respectively.7.3 Tolerances for Type I (raised expanded metal) sheets:FIG. 2 Type II, Expanded and FlattenedTABLE 1 Carbon Steel Dimensions, Strand Sizes, and Weight for Type I (Raised), Class 1 MetalAStyl
29、eMinimumStrandThickness(in.)DNominalWeightper CSFBDesign Size (in.)COpening Size(in.)CStrand Size (in.) OverallThickness(in.)CDiamond per ft.PercentOpen AreaSWD LWD SWO LWO WidthCThickness SWD LWD14 20 0.032 85 0.250 1.000 0.157 0.718 0.072 0.036 0.146 48 12 42 %14 18 0.042 113 0.250 1.000 0.146 0.7
30、18 0.072 0.048 0.151 48 12 42 %12 20 0.032 42 0.500 1.200 0.407 0.938 0.072 0.036 0.146 24 10 71 %12 18 0.042 69 0.500 1.200 0.382 0.938 0.088 0.048 0.180 24 10 65 %12 16 0.053 85 0.500 1.200 0.372 0.938 0.087 0.060 0.183 24 10 65 %12 13 0.083 141 0.500 1.200 0.337 0.938 0.096 0.090 0.212 24 10 62 %
31、34 16 0.053 54 0.923 2.000 0.783 1.750 0.101 0.060 0.208 13 6 78 %34 13 0.083 77 0.923 2.000 0.760 1.688 0.096 0.090 0.212 13 6 79 %34 10 0.083 117 0.923 2.000 0.718 1.625 0.144 0.092 0.300 13 6 69 %34 9 0.127 178 0.923 2.000 0.675 1.562 0.150 0.134 0.329 13 6 67 %1 16 0.053 43 1.000 2.400 0.872 2.0
32、62 0.087 0.060 0.183 12 5 83 %112 18 0.042 20 1.330 3.000 1.229 2.625 0.068 0.048 0.144 9 4 90 %112 16 0.053 40 1.330 3.000 1.184 2.625 0.108 0.060 0.221 9 4 84 %112 13 0.083 58 1.330 3.000 1.160 2.500 0.105 0.090 0.228 9 4 84 %112 10 0.083 76 1.330 3.000 1.132 2.500 0.138 0.090 0.288 9 4 79 %112 9
33、0.127 119 1.330 3.000 1.087 2.375 0.144 0.134 0.318 9 4 78 %112 6 0.184 247 1.330 3.000 0.979 2.313 0.203 0.198 0.452 9 4 69 %2 10 0.083 65 1.850 4.000 1.630 3.438 0.164 0.090 0.335 7 3 82 %2 9 0.127 88 1.850 4.000 1.603 3.375 0.149 0.134 0.327 7 3 84 %A1 lb = 0.454 kg; 1 in. = 25.4 mBA variation in
34、 weight per square ft. of 10 % is permissible, based on the weight of any sheet or bundle. No combination of tolerances can be combined to yield weightper SF below -10 % tolerance range; the minimum weight per SF of -10 % is absolute.CA tolerance of 10 % is permitted in dimensions, except for minimu
35、m strand thickness.DThe minimum thickness is absolute, not subject to minus variation.F1267 1837.3.1 Strand width shall not vary in excess of 610 % of thenominal width.7.3.2 Sheet width shall not exceed14 in. per ft. of SWDdimension. (Example: factory run stock sheet 48 in. could be49 in. wide.)7.3.
36、3 Sheet length shall not exceed14 in. per ft. of LWDdimension. (Example: factory run stock sheet 96 in. could be98 in. long.)7.3.4 Camber shall not exceed332 in. per ft. of dimension.7.3.5 Taper shall not exceed116 in. per ft. of dimension, or14 in. overall.7.3.6 Squareness of ends of sheets shall n
37、ot exceed18 in. perft. out of square or12 in. of overall length.7.3.7 Levelness of sheets shall be free from waves orbuckles that are in excess of 112 in. from a plane surface.TABLE 2 GratingCarbon Steel Dimensions, Strand Sizes, and Weight for Type I (Raised), Class I MetalAStyleNominalWeight perCS
38、FBDesign Size in.COpening Size in.CStrand Size in. OverallThickness(in.)Diamond per ftPercent Open AreaSWD LWD SWO LWO Width ThicknessSWD LWD2.0 lb 2.00 1.33 5.33 1.000 3.60 0.235 0.135 0.460 9.0 2.25 77 %3.0 lb 3.00 1.33 5.33 0.940 3.44 0.264 0.183 0.540 9.0 2.25 60 %3.14 lb 3.14 2.00 6.00 1.625 4.
39、88 0.312 0.250 0.656 6.0 2.00 69 %4.0 lb 4.00 1.33 5.33 0.940 3.44 0.300 0.215 0.618 9.0 2.25 55 %4.27 lb 4.27 1.41 4.00 1.000 2.88 0.300 0.250 0.625 8.5 3.00 58 %5.0 lb 5.00 1.33 5.33 0.813 3.38 0.331 0.250 0.655 9.0 2.25 50 %6.25 lb 6.25 1.41 5.33 0.813 3.38 0.350 0.312 0.715 8.5 2.25 50 %7.0 lb 7
40、.00 1.41 5.33 0.813 3.38 0.391 0.318 0.740 8.5 2.25 45 %A1 in. = 25.4 mm; 1 lb = 0.454 kg.BA variation in weight per square ft. of 5 % is permissible, based on the weight of any sheet or bundle. No combination of tolerances can be combined to yield weightper SF below -5 % tolerance range; the minimu
41、m weight per SF of 5 % is absolute.CA tolerance of 5 % is permitted in dimensions, center to center.TABLE 3 GratingStainless Steel Dimensions, Strand Sizes, and Weights for Type 1 (Raised), Class 1 MetalAStyleNominalWeight perCSFBDesign Size, in.COpening Size, in.CStrand Size, in.OverallThickness (i
42、n.)Diamond per ft.Percent Open AreaSWD LWD SWO LWO Width Thickness SWD LWD3.3 lb. 3.32 2.00 6.0 1.625 4.880 0.312 0.250 0.656 6 2 69 %4.5 lb. 4.25 1.41 4.0 1.000 2.880 0.300 0.250 0.625 8.5 3 58 %A1 in. = 25.4 mm; 1 lb = 0.454 kg.BA variation in weight per square ft. of 5 % is permissible, based on
43、the weight of any sheet or bundle. No combination of tolerances can be combined to yield weightper SF below -5 % tolerance range; the minimum weight per SF of 5 % is absolute.CA tolerance of 5 % is permitted in dimensions, center to center.TABLE 4 Carbon Steel Dimensions, Strand Sizes, and Weight fo
44、r Type II (Flattened), Class 1 MetalAStyleMinimumThickness(in.)DNominalWeightper CSFBDesign Size(in.)COpening Size(in.)CStrand Size (in.)OverallThickness(in.)Diamond per ft.PercentOpenAreaSWD LWD SWO LWO Width Thickness SWD LWD14 20 0.026 74 0.250 1.050 0.092 0.715 0.079 0.029 0.029 48 11.4 37 %14 1
45、8 0.034 100 0.250 1.050 0.090 0.715 0.080 0.038 0.038 48 11.4 36 %12 20 0.026 37 500 1.260 0.342 1.000 0.079 0.029 0.029 24 9.5 68 %12 18 0.034 61 0.500 1.260 0.306 1.000 0.097 0.038 0.038 24 9.5 61 %12 16 0.043 77 0.500 1.260 0.304 1.000 0.098 0.048 0.048 24 9.5 61 %12 13 0.066 126 0.500 1.260 0.28
46、6 1.000 0.107 0.072 0.072 24 9.5 57 %34 16 0.043 47 0.923 2.100 0.701 1.750 0.111 0.048 0.048 13 5.7 76 %34 14 0.054 56 0.923 2.100 0.713 1.760 0.105 0.060 0.060 13 5.7 77 %34 13 0.066 67 0.923 2.100 0.711 1.781 0.106 0.072 0.072 13 5.7 77 %34 10 0.066 102 0.923 2.100 0.603 1.755 0.160 0.072 0.072 1
47、3 5.7 65 %34 9 0.101 157 0.923 2.100 0.593 1.688 0.165 0.108 0.108 13 5.7 64 %1 16 0.043 38 1.000 2.520 0.804 2.250 0.098 0.048 0.048 12 4.8 80 %112 16 0.043 35 1.330 3.150 1.092 2.750 0.119 0.048 0.048 9 3.8 82 %112 14 0.054 43 1.330 3.150 1.098 2.750 0.116 0.060 0.060 9 3.8 83 %112 13 0.066 51 1.3
48、30 3.150 1.098 2.750 0.116 0.072 0.072 9 3.8 83 %112 9 0.101 105 1.330 3.150 1.014 2.563 0.158 0.108 0.108 9 3.8 76 %A1 lb = 0.454 kg; 1 in. = 25.4 mm.BA variation in weight per square ft. of 10 % is permissible, based on the weight of any sheet or bundle. No combination of tolerances can be combine
49、d to yield weightper SF below -10 % tolerance range; the minimum weight per SF of -10 % is absolute.CA tolerance of 10 % is permitted in dimensions, except for thickness.DThe minimum thickness is absolute, not subject to minus variation.F1267 1847.3.8 Each sheet shall have closed diamond openings on allsides of the sheet unless ordered differently.7.3.8.1 Generally, all stock or machine run sheets will haveclosed diamonds on all four sides.7.4 Tolerances for Type II (expanded and flattened meta
