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ASTM B 90/B90M : 2012

ASTM B 90/B90M : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Standard Specification for Magnesium-Alloy Sheet and Plate

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Superseded by

ASTM B 90/B90M : 2013

Language(s)

English

Published date

01-11-2012

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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Committee
B 07
DocumentType
Standard
Pages
8
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

1.1This specification covers magnesium alloys in sheet and plate form designated as shown in Table 1.

TABLE 1 Chemical Composition LimitsA
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 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 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 to the nearest unit in the last right-hand place of figures used in expressing the specified limit.

Composition %A

Al

Mn

R.E.

Zn

Zr

Ca

Cu

Fe

Ni

Si

Each

Total

Mg

AZ31B

2.5-3.5

0.20-1.0

. . .

0.6-1.4

. . .

0.04

0.05

0.005

0.005

0.10

. . .

0.30

Remainder

A Limits are in weight percent maximum unless shown as a range.

1.2The 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.

1.3Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.

1.4This 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.

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