B26/B26M-12 Standard Specification for Aluminum-Alloy Sand Castings

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Designation: B26/B26M-12 Standard Specification for Aluminum-Alloy Sand Castings11. Scopel.1 This specification2covers aluminum-alloy sand castingsdesignated as shown in Table 1.1.2 This specification is for aluminum-alloy sand castingsuscd in general purpose applications. It may not address themechanical properties. integrity testing. and verification re-quired for highly loaded or safety critical applications.1.3 Alloy and temper designations are in accordance withANSI H35.1/H35.1M. Unified Numbering System alloy des-ignations are in accordance with Practice E527.1.4 Unless the order specifies the“M1specificationdesignation, the material shall be furnished to the inch-poundunits.1.5 For acceptance criteria for inclusion of new aluminumand aluminum alloys and their properties in this specification.sec Annex Al and Annex A2.1.6 The values stated in either Sl units or inch-pound unitsare to be regarded separatcly as standard.The values stated ineach system may not be exact equivalents; therefore.eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in nonconformancewith the standard.1.7 This standard does not purport to address all of t

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