Standard Specification for Zinc Alloys in Ingot Form for Spin Casting

ABSTRACT
This specification covers four zinc alloys in ingot form, namely: Spin Casting Alloy SC-A, Spin Casting Alloy SC-B, Spin Casting Alloy SC-C, and ZA-73, for remelting for the manufacture of spin castings. The alloys may be made by any approved process, shall be of uniform quality, and shall be free from dross or other harmful contamination. The ingots shall conform to the chemical composition limits prescribed for aluminum, magnesium, copper, iron, lead, cadmium, tin, nickel, and zinc. Chemical analysis requirements for determination and for verification (if needed) of chemical composition are detailed.
SCOPE
1.1 This specification covers zinc alloys in ingot form for remelting for the manufacture of Spin Castings as specified and designated, as shown in Table 1. Seven alloy compositions are specified, designated as follows:
Common  
Traditional  
UNS  
Spin Casting Alloy SC-A  
...  
Z35550  
Spin Casting Alloy SC-B  
...  
Z35551  
Spin Casting Alloy SC-C  
...  
Z35534  
Spin Casting Alloy SC-D  
HJ10  
Z35547  
Spin Casting Alloy SC-E  
HJ20  
Z35548  
Spin Casting Alloy SC-F  
HJ40  
Z35552  
ZA-73  
...  
Z36500  
1.2 Zinc alloys #2, #3, #5, and ZA-8 specified in Specification B240 are also used in the spin casting process.  
1.3 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.  
1.4 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
1.5 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.

General Information

Status
Published
Publication Date
31-Mar-2024
Drafting Committee
B02.04 - Zinc and Cadmium

Relations

Effective Date
01-Apr-2024

Overview

ASTM B952/B952M-19(2024): Standard Specification for Zinc Alloys in Ingot Form for Spin Casting establishes requirements for a range of zinc alloys supplied in ingot form, specifically for remelting in the manufacture of spin cast components. The standard sets out the chemical composition and quality criteria for several zinc alloys, including SC-A, SC-B, SC-C, SC-D, SC-E, SC-F, and ZA-73, and outlines procedures for testing, marking, packaging, and ordering these alloys. This specification is key for producers and users of zinc alloy ingots intended for spin casting, ensuring uniformity and minimal contamination in the final product.

Key Topics

  • Zinc Alloy Types: The standard details seven specialized zinc alloy formulations for spin casting, each with specific composition ranges for elements such as aluminum, magnesium, copper, iron, lead, cadmium, tin, nickel, and zinc.
  • Quality and Purity: All alloys must be of uniform quality and free from dross, harmful contamination, and must conform to precise chemical composition limits.
  • Chemical Analysis: Approved methods for determining chemical composition include ASTM and ISO test methods, ensuring reliable and verifiable results.
  • Marking and Packaging: Ingot labeling follows robust guidelines, and packaging must ensure traceability and prevent mixing of different alloys.
  • Units of Measurement: The standard allows for specification in either SI units or inch-pound units, with strict instructions for using one measurement system exclusively per application.
  • Safety and Compliance: Users are reminded to adhere to safety data sheets, regulatory requirements, and environmental practices when handling, storing, and utilizing zinc alloy ingots.

Applications

ASTM B952/B952M-19(2024) is central to industries and processes where spin casting with zinc alloys is required. Applications include:

  • Manufacturing Spin Cast Parts: The specification ensures that ingot material used for remelting provides consistent results for high-quality spin cast components, used in automotive, hardware, and hobby industries.
  • Prototyping and Small Batch Production: Due to the precision chemical composition requirements, these alloys are especially valued for prototyping or small-run manufacturing where stringent control over final product properties is crucial.
  • Rubber and Silicon Mold Casting: The standard supports industries using rubber, polymer, graphite, or metal molds in centrifugal casting processes, which benefit from reliable alloy uniformity and purity.
  • Material Purchasing and Sourcing: Provides transparent purchasing standards for buyers and suppliers, reducing disputes and clarifying requirements for chemical composition and product identification.

Related Standards

Professionals working with or referencing ASTM B952/B952M-19(2024) may also find the following standards relevant:

  • ASTM B240: Specification for Zinc and Zinc-Aluminum (ZA) Alloys in Ingot Form for Foundry and Die Castings - covers other zinc alloys that are also applicable to spin casting.
  • ASTM B899: Terminology Relating to Non-ferrous Metals and Alloys - defines relevant terms in non-ferrous metallurgy.
  • ASTM B908: Practice for the Use of Color Codes for Zinc Casting Alloy Ingot - provides guidance on color identification of alloys.
  • ASTM B949: General Requirements for Zinc and Zinc Alloy Products - details general procedures on product inspection, rejection, and claims.
  • ISO 3815-1 and ISO 3815-2: International standards for the analysis of zinc and zinc alloys, supporting chemical composition determination.
  • ASTM E536: Test Methods for Chemical Analysis of Zinc and Zinc Alloys.

By complying with ASTM B952/B952M-19(2024), organizations and individuals ensure the quality, traceability, and safety of zinc alloy ingots for spin casting, supporting excellence in metalworking, foundry, and manufacturing operations.

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Frequently Asked Questions

ASTM B952/B952M-19(2024) is a technical specification published by ASTM International. Its full title is "Standard Specification for Zinc Alloys in Ingot Form for Spin Casting". This standard covers: ABSTRACT This specification covers four zinc alloys in ingot form, namely: Spin Casting Alloy SC-A, Spin Casting Alloy SC-B, Spin Casting Alloy SC-C, and ZA-73, for remelting for the manufacture of spin castings. The alloys may be made by any approved process, shall be of uniform quality, and shall be free from dross or other harmful contamination. The ingots shall conform to the chemical composition limits prescribed for aluminum, magnesium, copper, iron, lead, cadmium, tin, nickel, and zinc. Chemical analysis requirements for determination and for verification (if needed) of chemical composition are detailed. SCOPE 1.1 This specification covers zinc alloys in ingot form for remelting for the manufacture of Spin Castings as specified and designated, as shown in Table 1. Seven alloy compositions are specified, designated as follows: Common Traditional UNS Spin Casting Alloy SC-A ... Z35550 Spin Casting Alloy SC-B ... Z35551 Spin Casting Alloy SC-C ... Z35534 Spin Casting Alloy SC-D HJ10 Z35547 Spin Casting Alloy SC-E HJ20 Z35548 Spin Casting Alloy SC-F HJ40 Z35552 ZA-73 ... Z36500 1.2 Zinc alloys #2, #3, #5, and ZA-8 specified in Specification B240 are also used in the spin casting process. 1.3 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. 1.4 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.5 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.

ABSTRACT This specification covers four zinc alloys in ingot form, namely: Spin Casting Alloy SC-A, Spin Casting Alloy SC-B, Spin Casting Alloy SC-C, and ZA-73, for remelting for the manufacture of spin castings. The alloys may be made by any approved process, shall be of uniform quality, and shall be free from dross or other harmful contamination. The ingots shall conform to the chemical composition limits prescribed for aluminum, magnesium, copper, iron, lead, cadmium, tin, nickel, and zinc. Chemical analysis requirements for determination and for verification (if needed) of chemical composition are detailed. SCOPE 1.1 This specification covers zinc alloys in ingot form for remelting for the manufacture of Spin Castings as specified and designated, as shown in Table 1. Seven alloy compositions are specified, designated as follows: Common Traditional UNS Spin Casting Alloy SC-A ... Z35550 Spin Casting Alloy SC-B ... Z35551 Spin Casting Alloy SC-C ... Z35534 Spin Casting Alloy SC-D HJ10 Z35547 Spin Casting Alloy SC-E HJ20 Z35548 Spin Casting Alloy SC-F HJ40 Z35552 ZA-73 ... Z36500 1.2 Zinc alloys #2, #3, #5, and ZA-8 specified in Specification B240 are also used in the spin casting process. 1.3 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. 1.4 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 become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use. 1.5 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.

ASTM B952/B952M-19(2024) is classified under the following ICS (International Classification for Standards) categories: 77.150.60 - Lead, zinc and tin products. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM B952/B952M-19(2024) has the following relationships with other standards: It is inter standard links to ASTM B952/B952M-19. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ASTM B952/B952M-19(2024) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


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: B952/B952M − 19 (Reapproved 2024)
Standard Specification for
Zinc Alloys in Ingot Form for Spin Casting
This standard is issued under the fixed designation B952/B952M; 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.
1. Scope 2. Referenced Documents
2.1 The following documents of the issue in effect on date
1.1 This specification covers zinc alloys in ingot form for
of order acceptance form a part of this specification to the
remelting for the manufacture of Spin Castings as specified and
extent referenced herein:
designated, as shown in Table 1. Seven alloy compositions are
specified, designated as follows: 2.2 ASTM Standards:
B240 Specification for Zinc and Zinc-Aluminum (ZA) Al-
Common Traditional UNS
loys in Ingot Form for Foundry and Die Castings
Spin Casting Alloy SC-A . Z35550
B899 Terminology Relating to Non-ferrous Metals and Al-
Spin Casting Alloy SC-B . Z35551
loys
Spin Casting Alloy SC-C . Z35534
Spin Casting Alloy SC-D HJ10 Z35547
B908 Practice for the Use of Color Codes for Zinc Casting
Spin Casting Alloy SC-E HJ20 Z35548
Alloy Ingot
Spin Casting Alloy SC-F HJ40 Z35552
B949 Specification for General Requirements for Zinc and
ZA-73 . Z36500
Zinc Alloy Products
1.2 Zinc alloys #2, #3, #5, and ZA-8 specified in Specifi-
E29 Practice for Using Significant Digits in Test Data to
cation B240 are also used in the spin casting process.
Determine Conformance with Specifications
E536 Test Methods for Chemical Analysis of Zinc and Zinc
1.3 The values stated in either SI units or inch-pound units
Alloys
are to be regarded separately as standard. The values stated in
each system may not be exact equivalents; therefore, each
2.3 ISO Standards:
system shall be used independently of the other. Combining
ISO 3815-1 Zinc and zinc alloys—Part 1: Analysis of solid
values from the two systems may result in non-conformance
samples by optical emission spectrometry
with the standard. ISO 3815-2 Zinc and zinc alloys—Part 2: Analysis by in-
ductively coupled plasma optical emission
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3. Terminology
responsibility of the user of this standard to become familiar
3.1 Terms shall be defined in accordance with Terminology
with all hazards including those identified in the appropriate
B899.
Safety Data Sheet (SDS) for this product/material as provided
by the manufacturer, to establish appropriate safety, health,
3.2 Definitions of Terms Specific to This Standard:
and environmental practices, and determine the applicability
3.2.1 spin casting, n—a casting process in which molten
of regulatory limitations prior to use. metal is poured into a rubber, polymer, graphite, or metal mold
and spun centrifugally until solidified, also a product produced
1.5 This international standard was developed in accor-
by such a process.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
4. Ordering Information
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
4.1 Orders for zinc alloy ingot under this specification shall
Barriers to Trade (TBT) Committee.
include information as specified in Specification B949.
1 2
This specification is under the jurisdiction of ASTM Committee B02 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
B02.04 on Zinc and Cadmium. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved April 1, 2024. Published April 2024. Originally the ASTM website.
approved in 2007. Last previous edition approved in 2019 as B952/B952M – 19. Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
DOI: 10.1520/B0952_B0952M-19R24. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
B952/B952M − 19 (2024)
TABLE 1 Chemical and Nort
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