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Standard Specification for Aluminum-Alloy Investment Castings (Includes all amendments And changes 10/15/2014).
Automatische name übersetzung:
Standard-Spezifikation für Aluminium Alloy - Feingussteile
NORM herausgegeben am 1.12.2011
Bezeichnung normen: ASTM B618/B618M-11a
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.12.2011
SKU: NS-7428
Zahl der Seiten: 13
Gewicht ca.: 39 g (0.09 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
aluminum, investment casting , UNS A02040 (Aluminum foundry alloy, casting), UNS A02080 (Aluminum foundry alloy, casting), UNS A02220 (Aluminum foundry alloy, casting), UNS A02420 (Aluminum foundry alloy, casting), UNS A02950 (Aluminum foundry alloy, casting), UNS A03190 (Aluminum foundry alloy, casting), UNS A03280 (Aluminum foundry alloy, castings), UNS A03550 (Aluminum foundry alloy, casting), UNS A03560 (Aluminum foundry alloy, casting), UNS A04430 (Aluminum foundry alloy, casting)
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1.1 This specification covers aluminum-alloy investment castings designated as shown in Table 1. 1.2 This specification is for aluminum-alloy investment castings used in general purpose applications. It may not address the mechanical properties integrity testing and verification required for highly loaded or safety critical applications. 1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1 (M). The equivalent Unified Numbering System alloy designations are in accordance with Practice E527. 1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units. 1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A2. 1.6 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. TABLE 1 Chemical Composition Requirements Note 1—When single units are shown, these indicate the maximum amounts permitted. Note 2—Analysis shall be made for the elements for which limits are shown in this table. Note 3—The following applies to all specified limits in this table: For purposes of acceptance and rejection, an observed value or a calculated value obtained from analysis should be rounded off to the nearest unit in the last right-hand place of figures used in expressing the specified limit (Practice E29).
A ASTM alloy designations are in Practice B275. B “Others” includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may analyze samples for trace elements not specified in the specification. However, such analysis is not required and may not cover all metallic “Others” elements. Should any analysis by the producer or the purchaser establish that an “Others” element exceeds the limit of “Each” or that the aggregate of several “ Others” elements exceeds the limit of “Total,” the material shall be considered nonconforming. C Other ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum. D Contains silver 0.40–1.0 %. E If iron exceeds 0.45 %, manganese content shall not be less than one half of the iron content. F Contains beryllium 0.003–0.007 %, boron 0.002 % max. G 710.0 formerly A712.0, 712.0 formerly D712.0, 851.0 formerly A850.0, 852.0 formerly B850.0. |
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2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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