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ASTM International - ASTM B403-12

Standard Specification for Magnesium-Alloy Investment Castings

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Organization: ASTM International
Publication Date: 1 November 2012
Status: inactive
Page Count: 4
ICS Code (Magnesium products): 77.150.20
scope:

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

TABLE 1 Chemical Composition LimitsANote 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.

Alloy Number

B

  Composition, percent Others
 Each
 ASTM  UNS    Iron  Magne-
  sium
    Alu-
 minum
 Manga-
  nese
    Zinc Zirconium   
 Rare Earths
 Thorium  Copper  Nickel Silicon   Total

C
  Other
Impurities

AM100A M10100   ... remainder   9.3-10.7 0.10-0.35   0.30 ... ... ... 0.10 0.01 0.30   0.30   ...
AZ81A M11810   ... remainder   7.0-8.1 0.13-0.35   0.40-1.0 ... ... ... 0.10 0.01 0.30   0.30   ...
AZ91C M11914   ... remainder   8.1-9.3 0.13-0.35   0.40-1.0 ... ... ... 0.10 0.01 0.30   0.30   ...
AZ91E M11919   0.005

D E

remainder   8.1-9.3 0.17-0.35   0.40-1.0 ... ... ... 0.015 0.0010 0.20   0.30   0.01
AZ92A M11920   ... remainder   8.3-9.7 0-0.35   1.6-2.4 ... ... ... 0.10 0.01 0.30   0.30   ...
EQ21A M18330   ... remainder   ... ...   ... 0.40-1.0 1.5-3.0

F

... 0.05-0.10 0.01 ...   0.30   ...
EZ33A M12330   ... remainder   ... ...   2.0-3.1 0.50-1.0 2.5-4.0 ... 0.10 0.01 ...   0.30   ...
K1A M18010   ... remainder   ... ...   ... 0.40-1.0 ... ... ... ... ...   0.30   ...
QE22A

G

M18220

G

  ... remainder   ... ...   ... 0.40-1.0 1.8-2.5

F

... 0.10 0.01 ...   0.30   ...
ZE41A M16410   ... remainder   ... 0.15   3.5-5.0 0.40-1.0 0.75-1.75 ... 0.10 0.01 ...   0.30   ...
ZK61A M16610   ... remainder   ... ...   5.5-6.5 0.6-1.0 ... ... 0.10 0.01 ...   0.30   ...

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.

abstract:

This specification covers magnesium-alloy investment castings designated as AM100A, AZ81A, AZ91C, AZ91E, AZ92A, EQ21A, EZ33A, K1A, QE22A, ZE41A, and ZK61A. Sufficient stock shall be allowed for... View More

Document History

November 1, 2020
Standard Specification for Magnesium-Alloy Investment Castings
1.1 This specification covers magnesium-alloy investment castings designated as shown in Table 1. 1.2 Alloy designations are in accordance with Practice E527; temper designations are in accordance...
ASTM B403-12
November 1, 2012
Standard Specification for Magnesium-Alloy Investment Castings
1.1 This specification covers magnesium-alloy investment castings designated as shown in Table 1. TABLE 1 Chemical Composition LimitsA Note 1—Analysis shall regularly be made for the elements...
June 1, 2007
Standard Specification for Magnesium-Alloy Investment Castings
This specification covers magnesium-alloy investment castings designated as AM100A, AZ81A, AZ91C, AZ91E, AZ92A, EQ21A, EZ33A, K1A, QE22A, ZE41A, and ZK61A. Sufficient stock shall be allowed for...
April 10, 2002
Standard Specification for Magnesium-Alloy Investment Castings
1.1 This specification covers magnesium-alloy investment castings designated as shown in Table 1. 1.2 Alloy designations are in accordance with Practices B 275 and E 527; temper designations are in...
April 10, 2002
Standard Specification for Magnesium-Alloy Investment Castings
1.1 This specification covers magnesium-alloy investment castings designated as shown in Table 1. 1.2 Alloy designations are in accordance with Practices B 275 and E 527; temper designations are in...
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