ASTM_F_1312_-_90_2013.pdf

Designation:F131290(Reapproved 2013)An American National StandardStandard Specification forBrick,Insulating,High Temperature,Fire Clay1This standard is issued under the fixed designation F1312;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 indicates 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 Department of Defense.1.Scope1.1 This specification covers one type of thermal insulatingbrick for use as backup insulation for refractory furnace liningsof boiler furnaces.1.2 The values stated in inch-pound units are to be regardedas standard.The SI units in parentheses are for informationpurposes only and may be approximate.2.Referenced Documents2.1 ASTM Standards:2C93 Test Method for Cold Crushing Strength and Modulusof Rupture of Insulating Firebrick(Withdrawn 1992)3C134 Test Methods for Size,Dimensional Measurements,and Bulk Density of Refractory Brick and InsulatingFirebrickC210 Test Method for Reheat Change of Insulating Firebrick2.2 Federal Specifications:PPP-B-601 Boxes,Wood,Cleated-Plywood4PPP-B-621 Boxes,Wood,Nailed and Lock Corner4PPP-B-636 Box,Fireboard42.3 Military Specification:MIL-L-10547 Liners,Case,and Sheet,Overwrap;Vapor-proof or Waterproof,Flexible42.4 Military Standards:MIL-STD-105 Sampling Procedures and Tables for Inspec-tion by Attributes4MIL-STD-129 Marking for Shipment and Storage4MIL-STD-147 Palletized Unit Load 40 Inch by 48 Inch4-Way(Partial)Pallet Skids,Runners,or Pallet TypeBase43.Ordering Information3.1 Orders for material under this specification shall includethe following information as necessary to describe the materialadequately:3.1.1 ASTM designation and year of issue,3.1.2 Dimensions required(see 6.1),and3.1.3 Optional requirements,if any(see S1 through S3).4.Material and Manufacture4.1 Bricks shall be composed of heat-resistant materialswhich have been burned or fired to produce the desired density,strength,and structure.5.Physical and Mechanical Properties5.1 The average bulk density shall not exceed 45.0 lb/ft3(720 kg/m3)(see 9.2).5.2 The modulus of rupture shall average not less than 100psi(700 kPa)(see 9.3).5.3 Bricks shall show an average reheat change of not morethan 1%when heated at 2450F(1343C)(see 9.4).6.Dimensions and Permissible Variations6.1 Insulating brick shall be furnished in the dimensionsspecified(see 3.1.2).Standard size brick shall be 9 by 412by212in.(229 by 114 by 64 mm),9 by 412by 2 in.(229 by 114by 51 mm),or 9 by 412by 114in.(229 by 114 by 32 mm),asspecified.6.2 Standard size brick shall not vary more than 6116in.(2mm)from specified dimensions of 2 in.(51 mm)or greater,normore than 6132in.(1 mm)from specified dimensions less than2 in.(see 9.2).6.3 For special shapes,no dimension shall vary more than116in.(2 mm)from the dimensions specified(see 9.2).7.Workmanship,Finish,and Appearance7.1 Bricks shall be of homogeneous structure,free fromcracks,laminations,segregations,void defects,or soft centers.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.07 onGeneral Requirements.Current edition approved Oct.1,2013.Published October 2013.Originallyapproved in 1990.Last previous edition approved in 2007 as F1312-90(2007).DOI:10.1520/F1312-90R13.2For 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 of this historical standard is referenced onwww.astm.org.4Available from Standardization Documents,Order Desk,Bldg.4,Section D,700 Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 All corners and edges shall be sufficiently strong to preventexcessive crumbling or chipping when handled or shipped.8.Sampling8.1 For purposes of sampling,an inspection lot for exami-nation and tests shall consist of all material of the same sizeand shape offered for delivery at one time.8.2 The sample unit for the tests of Section 9 shall be onebrick.8.3 The sample size(the number of sample units)for thetests of Section 9 shall be as specified in Table 1.9.Test Methods9.1 Testing of the End ItemThe end item shall be tested forthe applicable characteristics as shown on Table 1 from eachlot presented for examination for each size and shape of brick.9.2 Dimensions and Bulk DensityDimensions and bulkdensity shall be determined in accordance with the test methodspecified in Test Methods C134.9.3 Modulus of RuptureThe modulus of rupture shall bedetermined in accordance with the test method specified in TestMethods C93.9.4 Reheat ChangeThe rehe