ASTM B107/B107M-12

    Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and Wire

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    1. Scope

    1.1 This specification covers magnesium-alloy extruded bars, rods, profiles, tubes, and wire of the composition given in Table 1.

    TABLE 1 Chemical RequirementsA
    Note 1Analysis shall regularly be made only for the elements specifically mentioned in this table. If, however, the presence of other elements is suspected or indicated in the course of routine analysis to be in amounts greater than the specified limits, further analysis shall be made to determine that the total of these other elements is not in excess of the limits specified in the last column of the table.
    Note 2The 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.

    AlloyB

    Composition, %

    UNS
    No.

    ASTM
    No.

    Magnesium

    Alumi-
    num

    Cal-
    cium

    Cop-
    per

    Iron

    Lithium

    Man-
    ganese

    Neodymium

    Nickel

    Rare
    Earths

    Sili-
    con

    Yttrium

    Zirco-
    nium,
    min

    Zinc

    Other
    Impurities,
    each

    Total
    OtherC
    Impurities

    M11311

    AZ31B

    remainder

    2.5-3.5

    0.04

    0.05

    0.005

     

    0.20-1.0

     

    0.005

     

    0.10

     

    ...

    0.6-1.4

     

    0.30

    M11312

    AZ31C

    remainder

    2.4-3.6

    ...

    0.10

    ...

     

    0.15-1.0D

     

    0.03

     

    0.10

     

    ...

    0.50-1.5

     

    0.30

    M11610

    AZ61A

    remainder

    5.8-7.2

    ...

    0.05

    0.005

     

    0.15-0.5

     

    0.005

     

    0.10

     

    ...

    0.40-1.5

     

    0.30

    M11800

    AZ80A

    remainder

    7.8-9.2

    ...

    0.05

    0.005

     

    0.12-0.5

     

    0.005

     

    0.10

     

    ...

    0.20-0.8

     

    0.30

    M15100

    M1A

    remainder

    ...

    0.30

    0.05

    ...

     

    1.2-2.0

     

    0.01

     

    0.10

     

    ...

    ...

     

    0.30

    M18432

    WE43B

    remainder

    ...

    ...

    0.02

    0.010

    0.2

    0.03

    2.0-2.5

    0.005

    1.9E

    ...

    3.7-4.3

    0.40-1.0

    F

    0.01

    ...

    M18410

    WE54A

    remainder

    ...

    ...

    0.03

    ...

    0.2

    0.03

    1.5-2.0

    0.005

    2.0E

    0.01

    4.75-5.5

    0.40-1.0

    0.20

    0.2

    ...

    M16400

    ZK40A

    remainder

    ...

    ...

    ...

    ...

     

    ...

     

    ...

     

    ...

     

    0.45

    3.5–4.5

     

    0.30

    M16600

    ZK60A

    remainder

    ...

    ...

    ...

    ...

     

    ...

     

    ...

     

    ...

     

    0.45

    4.8-6.2

     

    0.30

    A Limits are in weight percent maximum unless shown as a range or otherwise stated.
    B These alloy designations were established in accordance with Practice B951 (see also Practice E527).
    C Includes listed elements for which no specific limit is shown.
    D Manganese minimum limit need not be met if iron is 0.005 %, or less.
    E Other Rare Earths shall be principally heavy rare earths, for example, Gadolinium, Dysprosium, Erbium, and Ytterbium. Other Rare Earths are derived from the Yttrium, typically 80 % Yttrium 20 % heavy rare earths.
    F Zinc + Silver content shall not exceed 0.20 % in WE43B.

    1.2 The values stated in either inch-pound or SI units are to be regarded separately as standards. The SI units are shown in brackets or in separate tables or columns. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.

    1.3 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.


    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

    B117 Practice for Operating Salt Spray (Fog) Apparatus

    B296 Practice for Temper Designations of Magnesium Alloys, Cast and Wrought

    B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products

    B557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)

    B660 Practices for Packaging/Packing of Aluminum and Magnesium Products

    B666/B666M Practice for Identification Marking of Aluminum and Magnesium Products

    B951 Practice for Codification of Unalloyed Magnesium and Magnesium-Alloys, Cast and Wrought

    B953 Practice for Sampling Magnesium and Magnesium Alloys for Spectrochemical Analysis

    B954 Test Method for Analysis of Magnesium and Magnesium Alloys by Atomic Emission Spectrometry

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

    E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


    ICS Code

    ICS Number Code 77.150.20 (Magnesium products)

    UNSPSC Code

    UNSPSC Code 30261800(Magnesium bars and sheets)


    DOI: 10.1520/B0107_B0107M-12

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