1、Designation: F826 94 (Reapproved 2017) An American National StandardStandard Specification forTops, Furniture, Marine, Steel1This standard is issued under the fixed designation F826; the number immediately following the designation indicates the year of originaladoption or, in the case of revision,
2、the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the construction of steel furni-ture tops for use where invoked by other marine
3、furniturespecifications.1.2 This specification applies to tops for furniture casegoods only such as chests of drawers, log desks with cabinets,and so forth.1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units
4、 that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:2A366/A366M Specification for Commercial Steel (CS)Sheet, Carbon, (0.15 Maximum Percent) Cold-Rolled(Withdrawn 2000)3B16/B16M Specification for Free-Cutting Brass Rod, Barand Shapes for U
5、se in Screw MachinesB221 Specification for Aluminum and Aluminum-Alloy Ex-truded Bars, Rods, Wire, Profiles, and TubesD907 Terminology of Adhesives2.2 NEMA Specification:4ANSI/NEMA LD-3 High Pressure Decorative Laminates2.3 AISC Manual:5AISC Wire and Sheet Metal Gauges Equivalent Thickness inDecimal
6、s of an Inch, U.S. Standard Gauge (USSG) forUncoated Hot and Cold Rolled Sheets2.4 ANSI Standard:6A208.1 American National Standard for Mat Formed Par-ticle Board3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 case goodsfurniture items having drawers, a cabinetwith doors, or b
7、oth.3.1.2 edge binderthe strips of metal or other materialapplied to the edges of a top.3.1.3 lee railsextensions above the surface of furnituretops that retain items placed on top.3.1.4 substrate materialthe core, or structural material ofthe top, to which the melamine laminate is directly bonded.3
8、.1.5 topsthe horizontal surface that makes up the upperexposed surface of furniture items.4. Classification4.1 Tops shall be of the following types as required by thespecifications for the item of furniture and as indicated in theordering documents. See Fig. 1, Fig. 2, Table 1, and Table 2 fordetail
9、s.4.1.1 Type ITop on which the edge binder is flush with thetop and the substrate material is steel.4.1.2 Type IITop on which the edge binder projects abovethe upper surface of the top to act as a lee rail and the substratematerial is steel.4.1.3 Type IIITop on which a lee rail is applied to theuppe
10、r surface of the finished top, the top has a self edgesecurely bonded to the finished top, and the substrate materialis a particle or mineral board core.4.1.4 Type IVTop is an insert panel and the edge binder isan integral part of the supporting furniture unit.4.1.4.1 Grade 1Substrate material and e
11、dge reinforce-ments for Types I, II, and IV Grade 1 tops shall be a minimumof 16 USSG (0.0598-in. or 1.6-mm) steel in accordance withSpecification A366/A366M.4.1.4.2 Grade 2Substrate material is a particle or mineralboard core with a minimum density of 45 lb/ft3(722 kg/m3).1This specification is und
12、er the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.03 onOutfitting and Deck Machinery.Current edition approved Jan. 1, 2017. Published January 2017. Originallyapproved in 1983. Last previous edition approved in 2010 as F826 94
13、 (2010).DOI: 10.1520/F0826-94R17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3The last approved version o
14、f this historical standard is referenced onwww.astm.org.4Available from National Electrical Manufacturers Association (NEMA), 1300N. 17th St., Suite 900, Arlington, VA 22209, http:/www.nema.org.5Available from American Institute of Steel Construction (AISC), 130 E.Randolph St., Suite 2000, Chicago,
15、IL 60601-6219, http:/www.aisc.org.6Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standar
16、d 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.15. Order
17、ing Information5.1 Tops are included as part of the orders for items offurniture requiring tops. These orders shall include the follow-ing information:5.1.1 Type.5.1.2 Color or pattern of top covering material, or both.5.1.3 If Type III top is ordered, whether lee rail is required.6. Materials and M
18、anufacture6.1 For typical design, see Fig. 1 and Fig. 2.6.2 Sheet Metal, shall be cold-rolled steel, commercialquality, furniture grade in accordance with Specification A366/A366M.NOTE 1For dimensions, see Table 1.NOTE 2Top covering for all type tops shall be high-pressure melamine laminate in accor
19、dance with ANSI/NEMA LD-3, with a maximum thicknessof 1.59 mm (116 in.), securely bonded to upper surface of substrate material.NOTE 3Material of substrate and edge reinforcements for Type I, II, and IV Grade 1 tops shall be a minimum of 16 USSG (1.52-mm or 0.0598-in.)steel in accordance with Specif
20、ication A366/A366M.NOTE 4Material of substrate for Type III tops shall be mineral board or particle board in accordance with ANSI A208.1 with a maximum thicknessof 25.4 mm (1 in.).NOTE 5Material of substrate for Type IV Grade 2 tops shall be 13-mm (12-in.) thick particle board in accordance with ANS
21、I A208.1 or 13- mm(12-in.) thick mineral board.NOTE 6For Type I, II, and IV Grade 1 tops, a stiffener shall be applied to any area of the steel substrate having an unsupported width greater than89 mm (greater than 312 in.), see Fig. 3. Stiffener shall be 18 USSG (1.21 mm or 0.0478 in.) in accordance
22、 with Specification A366/A366M.NOTE 7Edge binder for Type I top shall be of Type 6063-T1 anodized aluminum extrusion in accordance with Specification B221 and installed flushwith upper surface of finished top.NOTE 8The combination edge binder and lee rail for Type II top shall be of Type 6063-T1 ano
23、dized aluminum extrusion in accordance withSpecification B221 and installed so it projects above the upper surface of top a maximum of 9.53 mm (38 in.) to act as a lee rail.NOTE 9For Type III tops, a self edge of the same material as the melamine top covering shall be securely bound to the top edge.
24、 See 6.8.2 for otherdetails.NOTE 10For Type III top, a lee rail of polished and lacquered brass in accordance with Specification B16/B16M shall be applied to upper surfaceof finished top after application of melamine covering and shall project above the upper surface of the top a maximum of 1.35 mm
25、(14 in.).NOTE 11Type IV top is an inserted panel, and the edge binder is an integral part of the supporting furniture unit.NOTE 12The rear molding for tops of Type I, II, and IV Grades 1 and 2 shall be an anodized aluminum extruded bar in accordance with SpecificationB221 attached to top with No. 6
26、oval head stainless steel machine screws.NOTE 13The rear molding for Type III top shall be of polished and lacquered brass in accordance with Specification B16/B16M attached to top withNo. 6 oval head brass machine screws.NOTE 14Type III and Type IV Grade 2 tops shall have a backing sheet securely b
27、onded to underside of particle board substrate. Backing sheet shallbe a resinous similar to top covering.NOTE 15Type IV Grade 1 and 2 tops shall be retained in case with No. 8 hex head jack screws and lock nuts spaced 203.2 mm (8 in.) on centers.NOTE 16Completed top shall be securely attached to the
28、 supporting furniture unit below.FIG. 1 Furniture Tops Types I and IIF826 94 (2017)26.3 Joining:6.3.1 Metal components shall be joined by welding orgluing with a structural adhesive as defined in TerminologyD907.6.3.2 Joining shall be adequate to prevent racking duringhandling.6.3.3 Spotwelds, shall
29、 be spaced approximately 3 in. (76mm) on centers.6.3.4 Visible Spotwelds, higher than the general surface ofthe metal, shall be ground flush.6.3.5 Spotweld Depressions, shall be spot filled and sandedflush.6.4 Top Covering for All Type Tops, shall be high-pressuremelamine laminate in accordance with
30、 ANSI/NEMA LD-3,with a minimum thickness of 0.045 in. (1.1 mm) and amaximum thickness of 0.062 in. (1.6 mm) securely bonded toupper surface of substrate material.6.5 Completed Top, shall be securely attached to the sup-porting furniture unit below.6.6 Type I also has the following requirements:6.6.1
31、 Substrate, a minimum of 16 USSG (0.0598 in. or 1.50mm) of steel in accordance with Specification A366/A366M.6.6.2 Edge Reinforcement, shall be a minimum of 16 USSG(0.0598 in. or 1.50 mm) of steel in accordance with Specifi-cation A366/A366M.6.6.3 For Types I, II, and IV Grade 1 tops, a stiffener sh
32、allbe applied to any area of the steel substrate having anunsupported width 312 in. (89 mm). Stiffener shall be 18USSG (0.0478 in. or 1.20 mm) in accordance with Specifica-tion A366/A366M. See Fig. 3 for a definition of this require-ment.NOTE 1For dimensions, see Table 2.NOTE 2See Notes 2 through 16
33、 under Fig. 1.FIG. 2 Furniture Tops Types III and IVTABLE 1 Type I and II Top DimensionsDesignationDimension Tolerances, + or in. mm. in. mm.Edge binder height A 114 max 32 max116 2Top overhang (side) B14 max 6 max116 2Edge binder height C 138 35116 2Lee rail height D18 3+14 0 +60Back molding width
34、E58 16116 2Back molding height F316 5132 1.0TABLE 2 Type III and Type IV Top DimensionsDesignationDimension Tolerances + or in. mm. in. mm.Top overhang (side) B14 max 6 max116 2Back molding width E58 16116 2Back molding height F316 5132 1.0Top thickness G 118 max 29 max116 2Lee rail width H516 8132
35、1.0Lee rail height I14 6132 1.0Lee rail height J316 5+116 0 +20F826 94 (2017)36.6.4 Edge Binder, for Type I top shall be of Type 6063-TIanodized aluminum extrusion in accordance with SpecificationB221 and installed flush with the upper surface of the finishedtop.6.6.5 Back Molding, shall be an anodi
36、zed aluminum ex-truded bar in accordance with Specification B221, attached tothe top with No. 6 oval head stainless steel machine screws.6.7 Type II also has the following requirements.6.7.1 Substrate in accordance with 6.6.1.6.7.2 Edge reinforcement in accordance with 6.6.2.6.7.3 Substrate stiffene
37、r in accordance with 6.6.3.6.7.4 Combination Edge Binder and Lee Rail, shall be ofType 6063-TI anodized aluminum-alloy extrusion in accor-dance with Specification B221 and installed so it projectsabove the upper surface of top a minimum of14 in. (6.35 mm)to act as a lee rail.6.7.5 Back molding in ac
38、cordance with 6.6.5.6.8 Type III also has the following requirements:6.8.1 Substrate, shall be particle board core in accordancewith ANSI A208.1, or mineral board core, maximum thicknessof 1 in. (25.4 mm).6.8.2 Self Edge, of the same material as the melamine topcovering shall be securely bound to th
39、e top edge. Where topshave radiused edges requiring a postforming grade of themelamine laminate, a black color may be used if a topmatching color or pattern in postforming melamine laminate isnot available.6.8.3 Lee Rail of Polished and Lacquered Brass, in accor-dance with Specification B16/B16M sha
40、ll be applied to uppersurface of finished top after application of melamine coveringand shall project above the upper surface of the top a maximumof14 in. (6 mm).6.8.4 Types III and IV Grade 2 tops shall have a backingsheet securely bonded to the underside of particle boardsubstrate material. The ba
41、cking sheet shall be a ANSI/NEMALD-3 Type BK30 or BK40 high-pressure back laminate.6.9 Type IV, Grade 1 also has the following requirements:6.9.1 Substrate in accordance with 6.6.1.6.9.2 Edge reinforcement in accordance with 6.6.2.6.9.3 Substrate stiffener in accordance with 6.6.3.6.9.4 The top is a
42、n inserted panel and the edge binder is anintegral part of the supporting furniture unit. The edge binder,except for rear molding, is 18 USSG steel (0.0478 in. or 1.20mm) in accordance with Specification A366/A366M.6.9.5 The back molding shall be in accordance with 6.6.5.6.10 Type IV, Grade 2 also h
43、as the following requirements:6.10.1 Substrate, shall be particle board core in accordancewith ANSI A208.1 or mineral board core,12 in. (13 mm) thick.6.10.2 Binder in accordance with 6.9.4.6.10.3 Backing sheet in accordance with 6.8.4.6.10.4 Back molding in accordance with 6.6.5.6.11 Type IV Grades
44、1 and 2 tops shall be retained in casewith No. 8 hex head jack screws and lock nuts spaced 8 in.(203 mm) on center. The completed top shall be attachedsecurely to the supporting furniture unit below.7. Performance Requirements7.1 Tops shall be capable of supporting a load of 400 lb (181kg) uniformly
45、 distributed over an area of 2 ft2(0.2 m2) andplaced at any location on the top. Load shall remain on top fora minimum of 3 min, and there shall be no indication ofpermanent set after removal of load.8. Dimensions8.1 Tops shall be made to a size that suits the furniture itemthat supports them.8.2 Le
46、e rails shall not extend above the upper surface of thefinished top more than14 in. (6 mm).9. Workmanship, Finish, and Appearance9.1 All workmanship and material shall be of specifiedquality in keeping with the best commercial marine practice toproduce each item suitable for its intended use.9.2 All
47、 exposed burrs, raw, or sharp edges which might beinjurious to personnel shall be removed.9.3 Depressions considered unacceptable for products enduse shall be spot filled and sanded smooth.9.4 Plastic laminate shall be well bonded to top substrateand shall have no loose edges.9.5 All tops shall be f
48、lat.9.6 Finish:9.6.1 All steel surfaces, unless corrosion resistant or with acorrosion-resistant plating, shall be painted so as to preventcorrosion.9.6.2 Unless otherwise required by the furniturespecification, all normally visible parts of completed unit shallhave the manufacturers standard baked-
49、on enamel finish.9.6.3 Color and pattern to be specified in the orderingdocuments.10. Inspection and Certification10.1 Inspection and certification requirements of the furni-ture item on which the top is installed shall govern.11. Packaging and Package Marking11.1 Each top shall be installed in its respective furnitureitem before shipment. Marking and packaging requirements offurniture item shall govern.12. Keywords12.1 cabinets; furniture case goods; furniture tops; logdesks; marine; marine furniture; sh
