ASTM B403 - 12 - Standard Specification for Magnesium-Alloy Investment Castings

ASTM B403 - 12

Standard Specification for Magnesium-Alloy Investment Castings

Status : Current   Published : January 2012

Format
PDF

Format
HARDCOPY



1.1 This specification covers magnesium-alloy investment castings designated as shown in Table 1.

TABLE 1 Chemical Composition Limits A
Note 1Analysis shall regularly be made for the elements specifically mentioned in this table. If, however, the presence of other elements is suspected or indicated in amounts greater than the specified limits, further analysis shall be made to determine that these elements are not present in excess of the specified limits.
Note 2The following applied 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.

[This table has been removed.]

A Limits are in weight percent maximum unless shown as a range or stated otherwise.
B  These alloy designations were established in accordance with Practice B951.
C  Includes listed elements for which no specific limit is shown.
D If iron content exceeds 0.005 %, the iron to manganese ratio shall not exceed 0.032.
E Silver content for Alloy EQ21A shall be 1.3 to 1.7 %.
F Rare earth elements are in the form of didymium.
G Silver content for Alloy QE22A shall be 2.0 through 3.0 %.

1.2 Alloy designations are in accordance with Practice E527; temper designations are in accordance with Practice B296.

1.3 The values stated in inch-pound units are to be regarded as the standard. The SI values in parentheses are for information only.




Standard NumberASTM B403 - 12
TitleStandard Specification for Magnesium-Alloy Investment Castings
StatusCurrent
Publication Date11 January 2012
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Investment castings, Magnesium alloy
ICS77.150.20
PublisherASTM
FormatA4
DeliveryYes
Pages4
File Size78.63 KB
Price£36.00


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