ASTM B26 / B26M

This specification covers aluminum alloy sand castings except those that are for aerospace applications. The chemical compositions are determined in accordance with the specified suitable chemical and spectrochemical test methods. Addition of small amounts of modifiers and grain refining elements to the molten alloys from the remelting furnace is permitted before casting. Pure metals, recycled materials, and master alloys can also be used to make the alloys as long as the chemical composition can be analyzed and adjusted to conform to the requirements prior to pouring any casting. Castings should only be repaired using approved processes such as welding, impregnation, peening, blending, soldering, and so forth.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

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

1.2 This specification is not intended for aluminum-alloy sand castings used in aerospace 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 E 527.

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 non-conformance 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.

2. Referenced Documents

Military Standards
NAVSEA Technical Publication S9074-AR-GIB-010/278
ASTM Standards
B179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
B275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought
B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
B917/B917M Practice for Heat Treatment of Aluminum-Alloy Castings from All Processes
D3951 Practice for Commercial Packaging
E1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Atomic Emission Spectrometry
E155 Reference Radiographs for Inspection of Aluminum and Magnesium Castings
E165 Practice for Liquid Penetrant Examination for General Industry
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen Atmosphere
E716 Practices for Sampling Aluminum and Aluminum Alloys for Spectrochemical Analysis
E94 Guide for Radiographic Examination
IEEE/ASTMSI10 Standard for Use of the International System of Units (SI): The Modern Metric System
AMS Standard
AMS2771 Heat Treatment of Aluminum Alloy Castings
American National Standards
H35.1/H35.1(M) Alloy and Temper Designation System for Aluminum
Federal Standard
Fed.Std.No.123 Marking for Shipment (Civil Agencies)
Other Standards
EN14242 Aluminum and Aluminum Alloys -- Chemical Analysis -- Inductively Coupled Plasma Optical Emission Spectral Analysis

Index Terms

aluminum; sand casting; Aluminum alloys (castings)--specifications; Sand castings (aluminum alloy); UNS A02010 (Aluminum foundry alloy, 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 A07100 (Aluminum foundry alloy, casting); UNS A07120 (Aluminum foundry alloy, casting); UNS A07130 (Aluminum foundry alloy, casting); UNS A07710 (Aluminum foundry alloy, casting); UNS A08520 (Aluminum foundry alloy, casting); UNS A08500 (Aluminum foundry alloy, casting); UNS A08510 (Aluminum foundry alloy, casting); UNS A12420 (Aluminum foundry alloy, casting); UNS A13560 (Aluminum foundry alloy, casting); UNS A14430 (Aluminum foundry alloy, casting); UNS A18500 (Aluminum foundry alloy, casting); UNS A24430 (Aluminum foundry alloy, casting); UNS A33550 (Aluminum foundry alloy, casting); UNS A47120 (Aluminum foundry alloy, casting); UNS A03280 (Aluminum foundry alloy, castings); UNS A03550 (Aluminum foundry alloy, casting); UNS A03560 (Aluminum foundry alloy, casting); UNS A07070 (Aluminum foundry alloy, casting); UNS A04430 (Aluminum foundry alloy, casting); UNS A05120 (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); ICS Number Code 77.150.10 (Aluminium products)

Citing ASTM Standards

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