ASTM_C_64_-_72e_scan.pdf

I Designation:C 64-12 Standard Specification for American National Standard A 111.8-1973 Approved June 8,1973 By American National Standards Institute REFRACTORIES FOR INCINERATORS AND BOILERS1 This Standard is issued under the lixed designation C 64:the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapprovat E NoTE-Tables 3 and 6 were editorially changed in February 1973.1.Scope 1.1 This specification covers the require-ments for refractories that may be used in the construction or repair of incinerators and boilers.1.2 It is beyond the scope of this specifica-tion to prescribe the form or class of refracto-ries to be applied in the particular areas of incinerators or boilers.NoTE I-This specification combines and su-persedes the following ASTM standards:C 64 Specification for Fireclay Brick Refrac-tories for Heavy Duty Stationary Boiler Service2 C I 06 Specification for Fireclay Brick and Sil-icon Carbide Brick for Incinerator Service2 C 153 Specification for Fireclay Brick Refrac-tories for Moderate Duty Stationary Boiler Service2 C 176 Specification for Fireclay Plastic Re-fractories for Boiler and Incinerator Services2 C 178 Specification for Air-Setting Refractory Mortar(Wet Type)for Boiler and Incinerator Services2 C 213 Specification for Alumina-Silica-Base Castable Refracto:ies for Boiler Service2 NoTE 2-The values stated in U.S.customary units are to be regarded as the standard.2.Applicable Documents 2.1 ASTM Standards:C 16 Load Test for Refractory Brick at High Temperatures2 C 20 Test for Apparent Porosity,Water Absorp-tion,Apparent Specific Gravity,and Bulk Density of Burned Refractory Brick2 C 24 Test for Pyrometric Cone Equivalent(PCE)of Refractory Materials2 C 71 Definitions of Terms Relating to Refracto-ries 2 C 92 Test for Sieve Analysis and Water Content of Refractory Materials 2 C 107 Panel SpallingTest for High Duty Fire-clay Brick 2 43 C I I 3 Test for Reheat Change of Refractory Brick 2 C 122 Panel Spalling Test for Super Duty Fire-clay Brick 2 C 133 Test for Cold Crushing Strength and Modulus of Rupture of Refractory Brick and Shapes2 C 134 Test for Size and Bulk Density of Refrac-tory Brick and Insulating Fire Brick2 C 154 Test for Warpage of Refractory Brick and Tile2 C 155 Classification of Insulating Fire Brick 2 C 179 Test for Drying and Firing Shrinkage of Fireclay Plastic Refractories 2 C 180 Panel Spalling Test for Fireclay Plastic Refractories 2 C 181 Test for Workability Index of Fireclay Plastic Refractories 2 C 198 Test for Cold Bonding Strength of Air-Setting Refractory Mortar(Wet Type)2 C I 99 Test for Refractoriness of Air-Setting Re-fractory Mortar(Wet Type)2 C 210 Test for Reheat Change of Insulating Fire Brick 2 C 268 Test for Modulus of Rupture of Castable Refractories 2 C 269 Test for Permanent Linear Charige on Firing of Castable Refractories2 C 491 Test for Modulus of Rupture of Air-Set-ting Plastic Refractories 2 C 571 Chemical Analysis of Carbon and Carbon-Ceramic Refractories 2 C 573 Chemical Analysis of Fireclay and High-Alumina Refractories2 3.Classification 3.1 Five forms of refractories are classified according to their mode of installation or use.1 This specilication is under the jurisdiction of ASTM Committee C-8 on Refractories.Current edition approved March 13,1972.Published April 1972.Originally published as C 64-27 T.Last pre-vious edition C 64-61.This specification combines and supersedes C 64-61,C 106-67,C 153-61,C 176-67,C 178-47(1958),and C213-66.2 1974 Annual Book of ASTM Standards,Part 17.Each form of refractory is further classified in relation to the service environment with which it may be used.The class and type of refrac-tory should be carefully selected on the basis of service conditions.3.2 The five forms of refractories classified are as follows,and appear in the following Sections:Refractory Brick and Shapes Insulating Fire Brick.Refractory Mortar.Plastic Refractories.CastableRefractories;.Retests.4.Definitions Sections 5 to 8 9 to 12 13 to 17 18 to 21 22 to 26 27 4.1 Definitions C 71,shall apply to the terms used in this specification.REFRACTORY BRICK AND SHAPES 5.Physical Requirments 5.1 Fireclay refractory brick and shapes shall meet the applicable requirements given in Table I.5.2 High-alumina and mullite refractory brick and shapes shall meet the applicable requirements given in Table 2.5.3 Silicon carbide refractory brick shall meet the requirements given in Table 3.6.Dimension Tolerance and Warpage 6.1 The following permissible variations in size and warpage shall apply to all.refractory brick and shapes listed in this specification:6.1.1 Size Variation of 9 by 4 1/2 by 2 V2 or 3-in.(230 by 115 by 65 or 76-mm)brick-The permissible size variation shall be not more than 2 percent from the intended or specified dimensions.6.1.2 Size Variation of Rectangular Tile and Shapes-The permissible s