ASTM_B_595_-_11_2016.pdf

Designation:B59511(Reapproved 2016)Standard Specification forSintered Aluminum Structural Parts1This standard is issued under the fixed designation B595;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.1.Scope1.1 This specification covers sintered aluminum structuralparts made primarily from aluminum powders to which con-trolled amounts of master alloys or elemental copper,magnesium,and silicon have been added by mixing.1.2 This specification covers the following variables:1.2.1 CompositionDepending upon levels of copper,magnesium,and silicon content,two grades,and1.2.2 DensityType.1.3 Parts ordered to this specification will be in one of thefollowing conditions:1.3.1 As-sintered,1.3.2 As-repressed for additional density,or1.3.3 All other conditions plus heat treated.1.4 With the exception of the values for density,for whichthe use of the gram per cubic centimeter unit is long-standingindustry practice,the values stated in SI units are to beregarded as the standard.2.Referenced Documents2.1 ASTM Standards:2B243 Terminology of Powder MetallurgyB962 Test Methods for Density of Compacted or SinteredPowder Metallurgy(PM)Products Using ArchimedesPrincipleB963 Test Methods for Oil Content,Oil-ImpregnationEfficiency,and Surface-Connected Porosity of SinteredPowder Metallurgy(PM)Products Using ArchimedesPrincipleE8 Test Methods for Tension Testing of Metallic Materials3.Terminology3.1 DefinitionsDefinitions of powder metallurgy termscan be found in Terminology B243.Additional descriptiveinformation is available in the Related Material Section ofVolume 02.05 of the Annual Book of ASTM Standards.4.Ordering Information4.1 Orders for material to this specification shall include thefollowing information:4.1.1 Dimensions(see 9.1),4.1.2 Chemical composition(see 6.1),4.1.3 Density(see 7.1),4.1.4 State of heat treatment,4.1.5 Mechanical property requirements(see 8.1),and4.1.6 Certification(see 14.1).5.Materials and Manufacture5.1 Structural parts shall be made by compacting andsintering metal powders to produce finished parts conformingto the requirements of this specification.6.Chemical Composition6.1 The material shall conform to the requirements of Table1.6.2 The chemical analysis shall be made in accordance withthe methods prescribed in the latest edition of the Annual Bookof ASTM Standards,Vol 03.05,or any other approved methodagreed upon between the manufacturer and the purchaser.7.Density7.1 The parts shall conform to the density range prescribedin Table 2.7.2 The density shall be measured in accordance with TestMethod B962.7.3 If the density does not vary more than 0.1 g/cm3fromone section of the structural part to any other section,theoverall density shall fall within the limits prescribed in Table 2.7.4 If the density varies more than 0.1 g/cm3from onesection of the structural part to any other section,the manu-facturer and the purchaser shall agree upon a critical section ofthe part where the stresses are the highest.The density of thiscritical section rather than the average density shall fall withinthe limits prescribed in Table 2.1This specification is under the jurisdiction of ASTM Committee B09 on MetalPowders and Metal Powder Productsand is the direct responsibility of Subcommit-tee B09.05 on Structural Parts.Current edition approved June 1,2016.Published June 2016.Originallyapproved in 1973.Last previous edition approved in 2011 as B595 11.DOI:10.1520/B0595-11R16.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.Mechanical Properties8.1 The manufacturer and the purchaser shall agree onqualification tests for the determination of mechanical proper-ties.8.2 These tests shall be performed on production parts.8.3 These tests shall be determined after consideration ofthe function of the part.8.4 The limits and sampling plan shall be agreed uponbetween the manufacturer and purchaser.8.5 All shipments of parts subsequent to the establishmentof testing conditions shall conform to the limits agreed upon.NOTE1The mechanical properties in tension and compression thatmay be expected from standard specimens compacted to size are given inAppendix X1 of this specification.9.Dimensions and Tolerances9.1 Permissible variations in dimensions shall be within thelimits specified on the drawings describing the structural partsaccompanying the order or shall be within the limits specifiedin the order.10.Workmanship,Finish,and Appearance10.1 Structural parts shall be uniform in composition.10.2 When