ASTM-B618:2011 Edition

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B618/B618M-11a Standard Specification for Aluminum-Alloy Investment Castings

Published By	Publication Date	Number of Pages
ASTM	2011	11

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Categories: 77.150.10 - Aluminium products, ASTM

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Description

ASTM B618/B618M-11a

Historical Standard: Standard Specification for Aluminum-Alloy Investment Castings

ASTM B618/B618M

Scope

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.

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); UNS A05140 (Aluminum foundry alloy, casting); UNS A05200 (Aluminum foundry alloy, casting); UNS A05350 (Aluminum foundry alloy, casting); UNS A07050 (Aluminum foundry alloy, casting); UNS A07070 (Aluminum foundry alloy, casting); UNS A07130 (Aluminum foundry alloy, casting); UNS A07710 (Aluminum foundry alloy, casting); UNS A08500 (Aluminum foundry alloy, casting); UNS A13560 (Aluminum foundry alloy, casting); UNS A14430 (Aluminum foundry alloy, casting); UNS A17120 (Aluminum foundry alloy, casting); UNS A18500 (Aluminum foundry alloy, casting); UNS A24430 (Aluminum foundry alloy, casting); UNS A25140 (Aluminum foundry alloy, casting); UNS A28500 (Aluminum foundry alloy, casting); UNS A33550 (Aluminum foundry alloy, casting); UNS A47120 (Aluminum foundry alloy, casting); Aluminum alloys (castings)–specifications; Investment castings–specifications; UNS A02010 (Aluminum foundry alloy, casting)

ICS Code

ICS Number Code 77.150.10 (Aluminium products)

DOI: 10.1520/B0618_B0618M-11A

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	TABLE 1
3	Terminology Ordering Information Responsibility for Quality Assurance Materials and Manufacture Chemical Composition
4	TABLE 2
5	TABLE 3
6	Sampling for Determination of Chemical Composition Material Requirements—Castings Produced for Governmental and Military Agencies Foundry Control—Castings Produced for Governmental or Military Agencies, or Both Tensile Requirements Test Specimens TABLE 4
7	Number of Tests and Retests Test Methods Workmanship and Finish Heat Treatment Repair of Castings Repairing of Castings—Produced for Governmental and Military Agencies
8	Source Inspection Foundry Inspection Rejection and Rehearing Certification Identification and Repair Marking—Castings Produced for Government and Military Agencies
9	Packaging, Marking, and Shipping Keywords A1. BASIS FOR INCLUSION OF PROPERTY LIMITS A1.1 A2. ACCEPTANCE CRITERIA FOR INCLUSION OF NEW ALUMINUM AND ALUMINUM ALLOYS IN THIS SPECIFICATION A2.1 A2.2
10	X1. ALLOY PROPERTIES AND CHARACTERISTICS X1.1 TABLE X1.1
11	X2. METRIC EQUIVALENTS X2.1 X3. INACTIVE ALLOYS X3.1 Alloys Listed as Inactive by the Aluminum Association TABLE X3.1
12	TABLE X3.2 TABLE X3.3 TABLE X3.4

Additional information

710.0G	A07100
707.0	A07070
328.0	A03280
535.0	A05350
514.0	A05140
850.0	A08500
319.0	A03190
520.0	A05200
771.0	A07710
355.0	A03550
356.0	A03560
204.0	A02040
C355.0	A33550
295.0	A02950
242.0	A02420
712.0G	A07120
A356.0	A13560
B443.0	A24430
713.0	A07130
705.0	A07050
201.0	A02010
852.0G	A08520
851.0G	A08510
443.0	A04430
ICS Codes	77.150.10 - Aluminium products