Standard Specification for Aluminum-Bronze Sand Castings

ABSTRACT
This specification establishes requirements for sand castings produced from copper-base alloys having the alloy numbers, commercial designations, and nominal compositions. The alloys the classified according to their nominal compositions: UNS No. C95200; UNS No. C95300; UNS No. C95400; UNS No. C95410; UNS No. C95500; UNS No. C95520; UNS No. C95600; UNS No. C95700; UNS No. C95800; UNS No. C95820; and UNS No. C95900. The castings shall conform to the chemical requirements specified. Mechanical properties shall be determined from separately cast test bar castings and shall meet the requirements. Brineel and Rockwell hardness readings shall be taken on the grip end of the tension test bar and shall be made in accordance with the specified requirements.
SCOPE
1.1 This specification establishes requirements for sand castings produced from copper-base alloys having the alloy numbers,2 commercial designations, and nominal compositions shown in Table 1.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B148 −18
Standard Specification for
1
Aluminum-Bronze Sand Castings
This standard is issued under the fixed designation B148; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. 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* E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Ma-
1.1 This specification establishes requirements for sand
terials
castings produced from copper-base alloys having the alloy
2 E527 Practice for Numbering Metals and Alloys in the
numbers, commercialdesignations,andnominalcompositions
Unified Numbering System (UNS)
shown in Table 1.
1.2 The values stated in inch-pound units are to be regarded 3. Terminology
as standard. The values given in parentheses are mathematical
3.1 For definitions of terms related to copper and copper
conversions to SI units that are provided for information only
alloys, refer to Terminology B846.
and are not considered standard.
4. General Requirements
1.3 This international standard was developed in accor-
dance with internationally recognized principles on standard- 4.1 Material furnished under this specification shall con-
ization established in the Decision on Principles for the
form to the applicable requirements of Specification B824.
Development of International Standards, Guides and Recom-
5. Ordering Information
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee. 5.1 Include the following specified choices when placing
orders for product under this specification as applicable:
2. Referenced Documents
5.1.1 ASTM designation and year of issue,
2.1 The following documents of the issue in effect on date 5.1.2 Copper or Copper Alloy UNS. No. designation,
of material purchase form a part of this specification to the 5.1.3 Temper, must include optional Heat Treatment when
extent referenced herein: needed,
3 5.1.4 Dimensions, diameter, and wall thickness (For tube or
2.2 ASTM Standards:
pipe: specify either O.D./I.D., O.D./Wall, or I.D./Wall unless
B208 Practice for Preparing Tension Test Specimens for
standard size such as type K are ordered; for flat products:
Copper Alloy Sand, Permanent Mold, Centrifugal, and
thickness, width, and edges; for rod, bar, or shapes: by
Continuous Castings
diameter or distance between parallel surfaces),
B824 Specification for General Requirements for Copper
5.1.5 Quantity of castings required,
Alloy Castings
5.1.6 Intended applications,
B846 Terminology for Copper and Copper Alloys
5.1.7 Specification title, number, and year of issue,
E8/E8M Test Methods for Tension Testing of Metallic Ma-
5.1.8 Pattern or drawing number and condition (cast,
terials
machined, and so forth),
5.1.9 Analysis of residual elements, if specified in the
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
purchase order (Specification B824),
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on
5.1.10 Pressure test requirements, if specified in the pur-
Castings and Ingots for Remelting.
chase order (Specification B824),
Current edition approved Oct. 1, 2018. Published October 2018. Originally
approved in 1941. Last previous edition approved in 2014 as B148–14. DOI:
5.1.11 Soundness requirements, if specified in the purchase
10.1520/B0148–18.
order (Specification B824),
2
The UNS system for copper and copper alloys (see Practice E527) is a simple
5.1.12 Certification, if specified in the purchase order
expansion of the former standard designation system accomplished by the addition
(Specification B824),
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
composition variations of the base alloy.
5.1.13 Test report, if specified in the purchase order (Speci-
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
fication B824),
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
5.1.14 Witness inspection, if specified in the purchase order
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. (Specification B824),
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B148−18
TABLE 1 Nominal Compositions
Nominal Composition, %
Copp
...

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. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B148 − 14 B148 − 18
Standard Specification for
1
Aluminum-Bronze Sand Castings
This standard is issued under the fixed designation B148; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. 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*
2
1.1 This specification establishes requirements for sand castings produced from copper-base alloys having the alloy numbers,
commercial designations, and nominal compositions shown in Table 1.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extent
referenced herein:
3
2.2 ASTM Standards:
B208 Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous
Castings
B824 Specification for General Requirements for Copper Alloy Castings
B846 Terminology for Copper and Copper Alloys
B950 Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
E10 Test Method for Brinell Hardness of Metallic Materials
E18 Test Methods for Rockwell Hardness of Metallic Materials
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
3. Terminology
3.1 For definitions of terms related to copper and copper alloys, refer to Terminology B846.
4. General Requirements
4.1 Material furnished under this specification shall conform to the applicable requirements of Specification B824.
5. Ordering Information
5.1 Include the following specified choices when placing orders for product under this specification as applicable:
5.1.1 ASTM designation and year of issue,
5.1.2 Copper or Copper Alloy UNS. No. designation,
5.1.3 Temper, must include optional Heat Treatment when needed,
1
This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on Castings
and Ingots for Remelting.
Current edition approved April 1, 2014Oct. 1, 2018. Published May 2014October 2018. Originally approved in 1941. Last previous edition approved in 20092014 as
B148 – 97 (2009).B148–14. DOI: 10.1520/B0148-14.10.1520/B0148–18.
2
The UNS system for copper and copper alloys (see Practice E527) is a simple expansion of the former standard designation system accomplished by the addition of a
prefix “C” and a suffix “00.” The suffix can be used to accommodate composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’sstandard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B148 − 18
TABLE 1 Nominal Compositions
Nominal Composition, %
Copper Alloy Old Commercial
UNS No. Designation Designation
Copper Nickel Iron Aluminum Silicon Manganese
C95200 9A Grade A 88.0 . . . 3.0 9.0 . . . . . .
A
C95300 9B Grade B 89.0 . . . 1.0 10.0 . . . . . .
A
C95400 9C Grade C 85.0 . . . 4.0 11.0 . . . . . .
A
C95410 . . . . . . 84.0 2.0 4.0 10.0 . . . . . .
A
C95500 9D Grade D 81.0 4.0 4.0 11.0 . . . . . .
A
C95520 . . . . . . 78.5 5.5 5.0 11.0 . . . . . .
C95600 9E Grade E 91.0 . . . . . . 7.0 2.0 . . .
C95700 9F Grade F 75.0 2.0 3.0 8.0 . . . 12.0
C95800 . . . . . . 81.3 4.5 4.0 9.0 . . . 1.2
C95820 . . . . . . 79.0 5.2 4.5 9.5 . . . 1.0
C95900 . . . . . . 87.5 . . . 4.5 13.0 . . . . . .
A
These grades respond to heat treatmen
...

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