ASTM-B26 2012

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

Published By	Publication Date	Number of Pages
ASTM	2012	14

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Categories: 77.150.10 - Aluminium products, ASTM

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Description

ASTM B26/B26M-12

Historical Standard: Standard Specification for Aluminum-Alloy Sand Castings

ASTM B26/B26M

Scope

1.1 This specification covers aluminum-alloy sand castings designated as shown in Table 1.

1.2 This specification is for aluminum-alloy sand 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/H35.1M. 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 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 Limits

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 determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the specified limit in accordance with the rounding method of Practice E29.

^A Contains silver 0.40–1.0 %.

^B If iron exceeds 0.45 %, manganese content shall not be less than one half of the iron content.

^C Contains beryllium 0.003–0.007 %, boron 0.005 % max.

^D 710.0 formerly A712.0, 712.0 formerly D712.0, 851.0 formerly A850.0, 852.0 formerly B850.0.

Keywords

aluminum; sand casting

ICS Code

ICS Number Code 77.150.10 (Aluminium products)

DOI: 10.1520/B0026_B0026M-12

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology Ordering Information TABLE 1
3	TABLE 2
4	Quality Assurance Manufacture Chemical Composition Material Requirements—Castings Produced for Governmental and Military Agencies Foundry Control—Castings Produced for Governmental or Military Agencies, or Both TABLE 3
5	Tensile Properties Workmanship, Finish, and Appearance Number of Tests and Retests Specimen Preparation Test Methods Heat Treatment Repair of Castings
6	TABLE 4
7	Repairing of Castings—Produced for Governmental and Military Agencies FIG. 1 FIG. 2
8	Source Inspection Foundry Inspection Rejection and Rehearing Certification Identification and Repair Marking—Castings Produced for Government and Military Agencies Packaging, Marking, and Shipping Keywords
9	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
11	TABLE X1.1
12	X2. SI UNITS X2.1 X3. INACTIVE ALLOYS X3.1 Alloys listed as inactive by the Aluminum Association TABLE X3.1 TABLE X3.2
13	TABLE X3.3

Additional information

707.0	A07070
851.0D	A08510
850.0	A08500
319.0	A03190
520.0	A05200
771.0	A07710
355.0	A03550
356.0	A03560
204.0	A02040
242.0	A02420
A356.0	A13560
B443.0	A24430
705.0	A07050
201.0	A02010
328.0	A03280
852.0D	A08520
535.0	A05350
514.0	A05140
512.0	A05120
A242.0	A12420
710.0D	A07100
712.0D	A07120
C355.0	A33550
295.0	A02950
713.0	A07130
443.0	A04430
ICS Codes	77.150.10 - Aluminium products