ASTM-B403 2012

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B403-12 Standard Specification for Magnesium-Alloy Investment Castings

Published By	Publication Date	Number of Pages
ASTM	2012	4

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Categories: 77.150.20 - Magnesium products, ASTM

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Description

ASTM B403-12

Historical Standard: Standard Specification for Magnesium-Alloy Investment Castings

ASTM B403

Scope

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

TABLE 1 Chemical Composition Limits^A

Note 1—Analysis 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 2—The 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.

^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.

Keywords

investment castings; magnesium alloy

ICS Code

ICS Number Code 77.150.20 (Magnesium products)

DOI: 10.1520/B0403-12

Additional information

Alloy Number B
ZK61A	M16610
ASTM	UNS
AM100A	M10100
QE22AG	M18220G
EQ21A	M18330
AZ91E	M11919
ZE41A	M16410
AZ91C	M11914
AZ81A	M11810
AZ92A	M11920
EZ33A	M12330
K1A	M18010
ICS Codes	77.150.20 - Magnesium products

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ASTM-B403 2012

ASTM B403-12

Historical Standard: Standard Specification for Magnesium-Alloy Investment Castings

ASTM B403

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