1、Designation: B618/B618M 11aB618/B618M 14Standard Specification forAluminum-Alloy Investment Castings1This standard is issued under the fixed designation B618/B618M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last r
2、evision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification covers aluminum-al
3、loy 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 themechanical properties integrity testing and verification required for highly loaded or safety critical applications.1.3
4、Alloy and temper designations are in accordance with ANSI H35.1/H35.1 (M). H35.1/H35.1 (M). The equivalent UnifiedNumbering 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-pou
5、nd units.1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, seeAnnex A1 and Annex A2.1.6 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values statedin each system may
6、 not be exact equivalents; therefore, each system shall be used independently of the other. Combining valuesfrom 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 respons
7、ibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 The following documents of the issue in effect on the date of purchase form a part of this specification to the ex
8、tentreferenced herein:2.2 ASTM Standards:2B179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting ProcessesB275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and WroughtB557 Test Methods for Tension Testing Wrought and Cast Aluminum- a
9、nd Magnesium-Alloy ProductsB557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)B660 Practices for Packaging/Packing of Aluminum and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB917/B917M Practice for Heat Tre
10、atment of Aluminum-Alloy Castings from All ProcessesB985 Practice for SamplingAluminum Ingots, Billets, Castings and Finished or Semi-Finished WroughtAluminum Products forCompositional AnalysisD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data to Determine
11、Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base AlloysE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminum and Magnesium CastingsE165 Practice for Liquid Penetrant Examination for General Industry1 This specif
12、ication is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on AluminumAlloy Ingots and Castings.Current edition approved Dec. 1, 2011Oct. 1, 2014. Published January 2012October 2014. Originally approved in 1977. Last pre
13、vious edition approved in 2011 asB618/B618M 11.B618/B618M 11a. DOI: 10.1520/B0618_B0618M-11A.10.1520/B0618_B0618M-14.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to
14、the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes
15、accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Ha
16、rbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Chemical Composition RequirementsNOTE 1When single units are shown, these indicate the maximum amounts permitted.NOTE 2Analysis shall be made for the elements for which limits are shown in this table.NOTE 3The following
17、 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 roundedoff to the nearest unit in the last right-hand place of figures used in expressing the specified limit (Practice E29).Alloy Compos
18、ition, %ANSIA UNS Silicon Iron Copper Man-ganese Mag-nesium Chro-mium Nickel Zinc Titan-ium TinOtherBElements AluminumEach TotalC201.0 A02010 0.10 0.15 4.05.2 0.200.50 0.150.55 . . . 0.150.35 . D 0.05 0.10 remainder204.0 A02040 0.20 0.35 4.25.0 0.10 0.150.35 . 0.05 0.10 0.150.30 0.05 0.05 0.15 remai
19、nder242.0 A02420 0.7 1.0 3.54.5 0.35 1.21.8 0.25 1.72.3 0.35 0.25 . 0.05 0.15 remainder295.0 A02950 0.71.5 1.0 4.05.0 0.35 0.03 . . 0.35 0.25 . 0.05 0.15 remainder319.0 A03190 5.56.5 1.0 3.04.0 0.50 0.10 . 0.35 1.0 0.25 . . 0.50 remainder328.0 A03280 7.58.5 1.0 1.02.0 0.200.6 0.200.6 0.35 0.25 1.5 0
20、.25 . . 0.50 remainder355.0 A03550 4.55.5 0.6E 1.01.5 0.50E 0.400.6 0.25 . 0.35 0.25 . 0.05 0.15 remainderC355.0 A33550 4.55.5 0.20 1.01.5 0.10 0.400.6 . . 0.10 0.20 . 0.05 0.15 remainder356.0 A03560 6.57.5 0.6E 0.25 0.35E 0.200.45 . . 0.35 0.25 . 0.05 0.15 remainderA356.0 A13560 6.57.6 0.20 0.20 0.
21、10 0.250.45 . . 0.10 0.20 . 0.05 0.15 remainder443.0 A04430 4.56.0 0.8 0.6 0.50 0.05 0.25 . 0.50 0.25 . . 0.35 remainderB443.0 A24430 4.56.0 0.8 0.15 0.35 0.05 . . 0.35 0.25 . 0.05 0.15 remainder514.0 A05140 0.35 0.50 0.15 0.35 3.54.5 . . 0.15 0.25 . 0.05 0.15 remainder520.0 A05200 0.25 0.30 0.25 0.
22、15 9.510.6 . . 0.15 0.25 . 0.05 0.15 remainder535.0 A05350 0.15 0.15 0.05 0.100.25 6.27.5 . . . 0.100.25 . F 0.05 0.15 remainder705.0 A07050 0.20 0.8 0.20 0.400.6 1.41.8 0.200.40 . 2.73.3 0.25 . 0.05 0.15 remainder707.0 A07070 0.20 0.8 0.20 0.400.6 1.82.4 0.200.40 . 4.04.5 0.25 . 0.05 0.15 remainder
23、710.0G A07100 0.15 0.50 0.350.65 0.05 0.60.8 . . 6.07.0 0.25 . 0.05 0.15 remainder712.0G A07120 0.30 0.50 0.25 0.10 0.500.65 0.400.6 . 5.06.5 0.150.25 . 0.05 0.20 remainder713.0 A07130 0.25 1.1 0.401.0 0.6 0.200.50 0.35 0.15 7.08.0 0.25 . 0.10 0.25 remainder771.0 A07710 0.15 0.15 0.10 0.10 0.81.0 0.
24、060.20 . 6.57.5 0.100.20 . 0.05 0.15 remainder850.0 A08500 0.7 0.7 0.71.3 0.10 0.10 . 0.71.3 . 0.20 5.57.0 . 0.30 remainder851.0G A08510 2.03.0 0.7 0.71.3 0.10 0.10 . 0.30.7 . 0.20 5.57.0 . 0.30 remainder852.0G A08520 0.40 0.7 1.72.3 0.10 0.60.9 . 0.91.5 . 0.20 5.57.0 . 0.30 remainderA ASTMASTM allo
25、y designations are in Practice B275.B “Others”“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
26、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 aggregateof several “ Others” “Others” elements exceeds the limit of “Total,” the material shall be considered nonconforming.C OtherOther El
27、ementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.D ContainsContains silver 0.401.0 %.E IfIf iron exceeds 0.45 %, manganese content shall not be less than one half of the iron content.F ContainsContains beryllium 0
28、.0030.007 %, boron 0.002 % max.G 710.0710.0 formerly A712.0, 712.0 formerly D712.0, 851.0 formerly A850.0, 852.0 formerly B850.0.B618/B618M142E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys
29、 by the Point to Plane Technique NitrogenAtmosphere (Withdrawn 2011)3E716 Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of ChemicalComposition by Spectrochemical AnalysisE1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic E
30、mission SpectrometryE2422 Digital Reference Images for Inspection of Aluminum CastingsIEEE/ASTM SI 10 Standard for Use of the International System of Units (SI): The Modern Metric System2.3 ANSI Standard:4H35.1/H35.1 (M) - 2006(M)-2006 American National Standard Alloy and Temper Designation Systems
31、for Aluminum2.4 Military Standards:5MIL-STD-129 Marking for Shipment and StorageMIL-STD-276 Impregnation of Porous Nonferrous Metal Castings2.5 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)52.6 AMS Standard:6AMS 2771 Heat Treatment of Aluminum Alloy Castings2.7 NAVSEA Stan
32、dard:7S9074-AR-GIB-010/278 Requirements for Fabrication Welding and Inspection, and Casting Inspection and Repair forMachinery, Piping, and Pressure Vessels2.8 Other Standards:8CEN EN 14242 Aluminum and Aluminum Alloys, Chemical Analysis, Inductively AlloysChemical AnalysisInductivelyCoupled Plasma
33、Optical Emission Spectral Analysis3. Terminology3.1 DefinitionsRefer to Terminology B881 for definitions of product terms used in this specification.3.2 Definitions:Definitions of Terms Specific to This Standard: Refer to Terminology B881 for definitions of product terms usedin this specification.3.
34、2.1 investment castingcasting, na metal object produced by surrounding (investing) an expendable pattern (usually waxor plastic) with a refractory slurry that sets at room temperature, after which the pattern is removed through the use of heat, andthen filling the resulting cavity with molten metal
35、and allowing it to solidify.4. Ordering Information4.1 Orders for material under this specification shall include the following information (Sections (1.4 and 1.6):4.1.1 This specification designation (which includes the number, the year, and the revision letter, if applicable),NOTE 1For inch-pound
36、application, specify Specification B618 and for metric application specify Specification B618M. Do not mix units.4.1.2 Alloy (Section 7 and Table 1),4.1.3 Temper (Section 1110 and Table 2 Table 3),4.1.4 Applicable drawing or part number, and4.1.5 The quantity in either pieces or pounds kilograms.4.2
37、 Additionally, orders for material to this specification shall include the following information when required by thepurchaser:4.2.1 Whether chemical analysis and tensile property reports are required (Table 1, and Table 2 Table 3),4.2.2 Whether castings or castings, test specimens, or both may be s
38、upplied in the artificially agedT5 aged T5 temper foralloys 705.0, 707.0, 712.0, and 713.0 (see (11.210.2),4.2.3 Whether test specimens cut from castings are required in addition to or instead of separately cast specimens (see (11.310.3and 12.211.2),4.2.4 Whether heat treatment is to be performed in
39、 accordance with AMS 2771 (see(Section 1615),4.2.5 Whether repairs are permissible (see (17.116.1),4.2.6 Whether inspection is required at the producers works (see (19.118.1),3 The last approved version of this historical standard is referenced on www.astm.org.4 Available from Aluminum Association,
40、Inc., 1525 Wilson Blvd., Suite 600, Arlington, VA 22209, http:/www.aluminum.org.5 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.6 Available from Society of Automotive Engineers (SAE), 400 Comm
41、onwealth Dr., Warrendale, PA 15096-0001, http:/www.sae.org.7 Available from Naval Sea Systems Command (NAVSEA), 1333 Isaac Hull Ave., SE, Washington, DC 20376, http:/www.navsea.navy.mil.8 Available from European Committee for Standardization (CEN), 36 rueRue de Stassart, B-1050, Brussels, Belgium, h
42、ttp:/www.cenorm.be.B618/B618M 1434.2.7 Whether surface requirements shall be checked against observational standards where such standards are established (see(20.119.1),4.2.8 Whether liquid penetrant inspection is required (see (20.319.3),4.2.9 Whether radiographic inspection is required and, if so,
43、 the radiographic grade of casting required (see (20.419.4, and Table4),4.2.10 Whether certification is required (see (22.121.1),4.2.11 Whether foundry control is required (Section 109),4.2.12 Whether Practices B660 appliesapply and, if so, the levels of preservation, packaging, and packing required
44、 (24.323.3),andTABLE 2 Tensile RequirementsA (Inch-Pound Units)NOTE 1For purposes of determining conformance with this specification, each value for tensile strength and yield strength shall be rounded to thenearest 0.1 ksi and each value for elongation shall be rounded to the nearest 0.5 %, both in
45、 accordance with the rounding method of Practice E29.AlloyTemperBTensileStrength, min,ksiYield Strength(0.2 % offset)min, ksiElongation in2 in. or 4diameter,min, %TypicalBrinell Hard-ness,C 500kgf, 10 mmANSID UNS201.0 A02010 T6 60.0 50.0 5.0 .T7 60.0 50.0 3.0 .204.0 A02040 T4 45.0 28.0 6.0 .T6 30.0
46、E E 115242.0 A02420 OF 23.0 E E 70T61 32.0 20.0 E 105295.0 A02950 T4 29.0 13.0 6.0 60T6 32.0 20.0 3.0 75T62 36.0 28.0 B 95T7 29.0 16.0 3.0 70319.0 A03190 F 23.0 13.0 1.5 70T6 31.0 20.0 1.5 80328.0 A03280 F 25.0 14.0 1.0 60T6 34.0 21.0 1.0 80355.0 A03550 T6 32.0 20.0 2.0 80T51 25.0 18.0 E 65T71 30.0
47、22.0 E 75C355.0 A33550 T6 36.0 25.0 2.5 .356.0 A03560 F 19.0 E 2.0 55T6 30.0 20.0 3.0 70T7 31.0 E E 75T51 23.0 16.0 E 60T71 25.0 18.0 3.0 60A356.0 A13560 T6 34.0 24.0 3.5 80443.0 A04430 F 17.0 7.0 3.0 40B443.0 A24430 F 17.0 6.0 3.0 40514.0 A05140 F 22.0 9.0 6.0 50520.0 A05200 T4 42.0 22.0 12.0 75535
48、.0 A05350 F 35.0 18.0 9.0 70705.0 A07050 T1G and T5H 30.0 17.0I 5.0 65707.0 A07070 T1G 33.0 22.0I 2.0 85T7 37.0 30.0I 1.0 80710.0J A07100 T1G 32.0 20.0 2.0 75712.0J A07120 T1G and T5H 34.0 25.0I 4.0 75713.0 A07130 T1G and T5H 32.0 22.0 3.0 75771.0 A07710 T5 42.0 38.0 1.5 100T51 32.0 27.0 3.0 85T52 3
49、6.0 30.0 1.5 85T6 42.0 35.0 5.0 90T71 48.0 45.0 2.0 120850.0 A08500 T5 16.0 E 5.0 45851.0J A08510 T5 17.0 E 3.0 45852.0J A08520 T5 24.0 18.0 E 60A IfIf agreed upon by the producer and the purchaser, other mechanical properties may be obtained by other heat treatments such as annealing, aging, or stress relieving.B ReferRefer to ANSI H35.1/H35.1(M)H35.1/H35.1 (M) for description of tempers.C ForFor information only, not required for acceptance.D ASTMASTM alloy designations are in
