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

Designation: B26/B26M-12 Standard Specification for Aluminum-Alloy Sand Castings1 1. Scope l.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 thescafety contcernas. if cray. associcted with irs sse. Iis there spovesibiliry of the user of this siandard to estcblish cppro-priete safery and heairva practices and deternnine the applica-bility of regulatory linitarios prior to use. 2. Referenced Documents 2.1The following documents of the issuc in effect on dateof material purchase form a part of this specification to theexlent referenced herein: