ASTM B 80 : 2015 : REDLINE
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Magnesium-Alloy Sand Castings
Available format(s)
PDF
Superseded date
01-05-2023
Superseded by
Language(s)
English
Published date
15-06-2015
Important note : All end users must be registered with an Account prior to user licenses being assigned.CONTAINED IN VOL. 02.02, 2015 Defines magnesium-alloy sand castings designated.
| Committee |
B 07
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| DevelopmentNote |
Supersedes MIL C 11866 (C). (06/2004)
|
| DocumentType |
Redline
|
| Pages |
12
|
| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1This specification covers magnesium-alloy sand castings designated as shown in Table 1.
(A)Limits are in weight % max unless shown as a range or stated otherwise.
(B)ASTM alloy designations were established in accordance with Practice B951. UNS designations were established in accordance with Practice E527.
(C)Includes listed elements for when no specific limit is shown.
(D)If iron exceeds 0.005 %, the Iron to Manganese ratio shall not exceed 0.032.
(E)Rare earth elements are in the form of Didymium, with not less than 70 % Neodymium, and the remainder substantially Praseodymium.
(F)Alloy EV31A is a patented composition, suitable for elevated temperature applications. Interested parties are invited to submit information regarding the identification of alternatives to these compositions to ASTM International. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this specification. Users of this specification are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
(G)Other Rare Earths may also be present to a total maximum of 0.4 %. These Rare Earths shall principally be Cerium, Lanthanum, and Praseodymium.
(H)Total Rare Earths (TRE) are principally a mixture of Cerium, Lanthanum, Neodymium and Praseodymium. The Cerium content should not be less than 45% of TRE.
(I)Other Rare Earths shall be principally heavy rare earths, such as, Gadolinium, Dysprosium, Erbium, and Ytterbium. Other Rare Earths are derived from the Yttrium, typically 80 % Yttrium, and 20 % heavy rare earths.
(J)Zinc + Silver shall not exceed 0.20 % in WE43B.
1.2The values stated in inch-pound units are to be regarded as the standard. The SI values in parentheses are provided for information only.
1.3This 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
| Standards | Relationship |
| UNE 38514:1975 | Identical |
| UNE 38521:1975 | Identical |
| UNE 38528:1975 | Identical |
| UNE 38511:1975 | Identical |
| UNE 38527:1975 | Identical |
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