ASTM B952 / B952M - 13

    Standard Specification for Zinc Alloys in Ingot Form for Spin Casting

    Active Standard ASTM B952 / B952M | Developed by Subcommittee: B02.04

    Book of Standards Volume: 02.04


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    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.

    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 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:

    TABLE 1 Chemical and North American Color Code Requirements

     

    Alloy SC-A

    Alloy SC-B

    Alloy SC-C

    ZA-73

    Alloy SC-D

    Alloy SC-E

    Alloy SC-F

    UNS

    Z35550

    Z35551

    Z35534

    Z56500

    Z35547

    Z35548

    Z35552

    Color CodeA

     

     

     

     

     

     

     

    ElementB

     

     

     

     

     

     

     

    Aluminum

    3.9–4.3

    3.9–4.3

    3.4–4.6

    7.7–8.0

    3.2–3.8

    3.2-3.8

    3.25-3.75

    Magnesium

    0.1–0.2

    0.4–0.6

    0.4–0.43

    0.02–0.03

    0.15-0.30

    0.45-0.75

    0.45-4.75

    Copper

    2.6–2.9

    2.7–3.3

    1.3–1.4

    3.0–3.3

    1.2-1.8

    2.5-3.25

    4.25-4.75

    Iron, max

    0.035

    0.035

    0.10

    0.075

    0.035

    0.075

    0.035

    Lead, max

    0.004

    0.004

    0.015

    0.005

    0.004

    0.005

    0.004

    Cadmium, max

    0.0030

    0.0030

    0.005

    0.003

    0.003

    0.003

    0.003

    Tin, max

    0.0015

    0.0015

    0.005

    0.002

    0.002

    0.003

    0.002

    Nickel, max

    ...

    ...

    0.02

    ...

    . . .

    0.02

    . . .

    Zinc

    Remainder

    Remainder

    Remainder

    Remainder

    Remainder

    Remainder

    Remainder

    A Per Practice B908.
    B For purposes of acceptance and rejection, the observed value or calculated value obtained from analysis should be rounded to the nearest unit in the last right-hand place of figures, used in expressing the specific limit in accordance with the rounding procedure prescribed in Practice E29.

     

    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 Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B240 Specification for Zinc and Zinc-Aluminum (ZA) Alloys in Ingot Form for Foundry and Die Castings

    B899 Terminology Relating to Non-ferrous Metals and Alloys

    B908 Practice for the Use of Color Codes for Zinc Casting Alloy Ingot

    B949 Specification for General Requirements for Zinc and Zinc Alloy Products

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition

    E536 Test Methods for Chemical Analysis of Zinc and Zinc Alloys

    E634 Practice for Sampling of Zinc and Zinc Alloys by Spark Atomic Emission Spectrometry

    ISO Standards

    ISO 3815-1 Zinc and zinc alloys--Part 1: Analysis of solid samples by optical emission spectrometry

    ISO 3815-2 Zinc and zinc alloys--Part 2: Analysis by inductively coupled plasma optical emission


    ICS Code

    ICS Number Code 77.150.60 (Lead, zinc and tin products)

    UNSPSC Code

    UNSPSC Code 30262900(Zinc ingots strips billets and coil)


    DOI: 10.1520/B0952_B0952M-13

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