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Description of ASTM-B107 2012ASTM B107 / B107M - 12Standard Specification for Magnesium-Alloy Extruded Bars, Rods, Profiles, Tubes, and WireActive Standard ASTM B107 / B107M | Developed by Subcommittee: B07.04 Book of Standards Volume: 02.02 ASTM B107 / B107MAbstract This specification covers magnesium-alloy extruded bars, rods, profiles, tubes, and wire. The bars, rods, profiles, tubes, or wire shall conform to the chemical requirements specified. Tensile properties such as tensile strength, yield strength, and elongation of magnesium alloys shall be determined. All material shall be of uniform quality, free from injurious surface defects, and shall have a workmanlike finish. 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 magnesium-alloy extruded bars, rods, profiles, tubes, and wire of the composition given in Table 1 .
TABLE 1 Chemical Requirements A
Note 1 Analysis 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 2 The 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.
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.
ASTM Standards 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) Keywords compositions; dimensional tolerances; extrusions; magnesium; mechanical properties; ICS Code ICS Number Code 77.150.20 (Magnesium products) DOI: 10.1520/B0107_B0107M-12 ASTM International is a member of CrossRef. ASTM B107 / B107MThe following editions for this book are also available...
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