ASTM B618/B618M-11a

Standard Specification for Aluminum-Alloy Investment Castings (Includes all amendments And changes 10/15/2014).

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Standard Specification for Aluminum-Alloy Investment Castings

STANDARD published on 1.12.2011

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The information about the standard:

Designation standards: ASTM B618/B618M-11a
Note: WITHDRAWN
Publication date standards: 1.12.2011
SKU: NS-7428
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B618/B618M-11a :

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)

Additional information

1. 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).

Alloy		Composition, %
ANSI^A	UNS	Silicon	Iron	Copper	Man- ganese	Mag- nesium	Chro- mium	Nickel	Zinc	Titan- ium	Tin		Other^B Elements		Aluminum
ANSI^A	UNS	Silicon	Iron	Copper	Man- ganese	Mag- nesium	Chro- mium	Nickel	Zinc	Titan- ium	Tin		Each	Total^C	Aluminum
201.0	A02010	0.10	0.15	4.0–5.2	0.20–0.50	0.15–0.55	...	...	...	0.15–0.35	...	^D	0.05	0.10	remainder
204.0	A02040	0.20	0.35	4.2–5.0	0.10	0.15–0.35	...	0.05	0.10	0.15–0.30	0.05		0.05	0.15	remainder
242.0	A02420	0.7	1.0	3.5–4.5	0.35	1.2–1.8	0.25	1.7–2.3	0.35	0.25	...		0.05	0.15	remainder
295.0	A02950	0.7–1.5	1.0	4.0–5.0	0.35	0.03	...	...	0.35	0.25	...		0.05	0.15	remainder
319.0	A03190	5.5–6.5	1.0	3.0–4.0	0.50	0.10	...	0.35	1.0	0.25	...		...	0.50	remainder
328.0	A03280	7.5–8.5	1.0	1.0–2.0	0.20–0.6	0.20–0.6	0.35	0.25	1.5	0.25	...		...	0.50	remainder
355.0	A03550	4.5–5.5	0.6^E	1.0–1.5	0.50^E	0.40–0.6	0.25	...	0.35	0.25	...		0.05	0.15	remainder
C355.0	A33550	4.5–5.5	0.20	1.0–1.5	0.10	0.40–0.6	...	...	0.10	0.20	...		0.05	0.15	remainder
356.0	A03560	6.5–7.5	0.6^E	0.25	0.35^E	0.20–0.45	...	...	0.35	0.25	...		0.05	0.15	remainder
A356.0	A13560	6.5–7.6	0.20	0.20	0.10	0.25–0.45	...	...	0.10	0.20	...		0.05	0.15	remainder
443.0	A04430	4.5–6.0	0.8	0.6	0.50	0.05	0.25	...	0.50	0.25	...		...	0.35	remainder
B443.0	A24430	4.5–6.0	0.8	0.15	0.35	0.05	...	...	0.35	0.25	...		0.05	0.15	remainder
514.0	A05140	0.35	0.50	0.15	0.35	3.5–4.5	...	...	0.15	0.25	...		0.05	0.15	remainder
520.0	A05200	0.25	0.30	0.25	0.15	9.5–10.6	...	...	0.15	0.25	...		0.05	0.15	remainder
535.0	A05350	0.15	0.15	0.05	0.10–0.25	6.2–7.5	...	...	...	0.10–0.25	...	^F	0.05	0.15	remainder
705.0	A07050	0.20	0.8	0.20	0.40–0.6	1.4–1.8	0.20–0.40	...	2.7–3.3	0.25	...		0.05	0.15	remainder
707.0	A07070	0.20	0.8	0.20	0.40–0.6	1.8–2.4	0.20–0.40	...	4.0–4.5	0.25	...		0.05	0.15	remainder
710.0^G	A07100	0.15	0.50	0.35–0.65	0.05	0.6–0.8	...	...	6.0–7.0	0.25	...		0.05	0.15	remainder
712.0^G	A07120	0.30	0.50	0.25	0.10	0.50–0.65	0.40–0.6	...	5.0–6.5	0.15–0.25	...		0.05	0.20	remainder
713.0	A07130	0.25	1.1	0.40–1.0	0.6	0.20–0.50	0.35	0.15	7.0–8.0	0.25	...		0.10	0.25	remainder
771.0	A07710	0.15	0.15	0.10	0.10	0.8–1.0	0.06–0.20	...	6.5–7.5	0.10–0.20	...		0.05	0.15	remainder
850.0	A08500	0.7	0.7	0.7–1.3	0.10	0.10	...	0.7–1.3	...	0.20	5.5–7.0		...	0.30	remainder
851.0^G	A08510	2.0–3.0	0.7	0.7–1.3	0.10	0.10	...	0.3–0.7	...	0.20	5.5–7.0		...	0.30	remainder
852.0^G	A08520	0.40	0.7	1.7–2.3	0.10	0.6–0.9	...	0.9–1.5	...	0.20	5.5–7.0		...	0.30	remainder

^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.

2. Referenced Documents

E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E155-20	Standard Reference Radiographs for Inspection of Aluminum and Magnesium Castings
E94-04	Standard Guide for Radiographic Examination
E34-11	Standard Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys
D3951-18(2023)	Standard Practice for Commercial Packaging
B179-18	Standard Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
E1251-17a	Standard Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry (Includes all amendments and changes 10/26/2017).
B985-12(2016)	Standard Practice for Sampling Aluminum Ingots, Billets, Castings and Finished or Semi-Finished Wrought Aluminum Products for Compositional Analysis
E2422-22	Standard Digital Reference Images for Inspection of Aluminum Castings
IEEE/ASTM SI 10	Standard for Use of the International System of Units (SI): The Modern Metric System
H35.1/H35.1 (M)-2006	American National Standard Alloy and Temper Designation Systems for Aluminum
B881-17	Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products
E716-16(2021)e2	Standard Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spark Atomic Emission Spectrometry (Includes all amendments and changes 9/7/2022).
E607-02	Standard Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen Atmosphere
B275-14	Standard Practice for Codification of Certain Zinc, Tin and Lead Die Castings (Withdrawn 2020)
B917/B917M-12(2020)	Standard Practice for Heat Treatment of Aluminum-Alloy Castings From All Processes
B557-15(2023)	Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B557M-15(2023)	Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B660-23	Standard Practices for Packaging/Packing of Aluminum and Magnesium Products
E165-09	Standard Practice for Liquid Penetrant Examination for General Industry