ASTM B928/B928M-15
(Specification)Standard Specification for High Magnesium Aluminum-Alloy Products for Marine Service and Similar Environments
Standard Specification for High Magnesium Aluminum-Alloy Products for Marine Service and Similar Environments
ABSTRACT
This specification covers high magnesium marine application aluminum-alloy in those alloy tempers for flat sheet, coiled sheet, and plate, in the mill finish that are intended for marine and similar environments. An inspection lot shall consist of an identifiable quantity of material of the same mill form, alloy, temper, cast or melt lot, and thickness, subjected to inspection at one time. The material shall be supplied in the mill finish and shall be uniform as defined by the requirements of this specification and shall be commercially sound. Each coil, sheet and plate shall be examined to determine conformance to this specification with respect to general quality and identification marking. One sample shall be taken from each end of each parent coil, or parent plate. Alloy-tempers are manufactured and corrosion tested for intended use in marine hull construction or in marine applications where frequent or constant direct contact with seawater is expected. The specimen shall be capable of exhibiting resistance to intergranular corrosion as indicated by an acceptable mass-loss when tested and shall also be capable of exhibiting no evidence of exfoliation or corrosion. Under metallographic examination, the microstructure of a sample from each production lot shall be compared to that of the producer-established reference photomicrograph of acceptable material, in the same thickness range. Each shipping container shall be marked with the purchase order number, material size, specification number, alloy and temper, gross and net weights, and the producer's name or trademark.
SCOPE
1.1 This specification covers high magnesium aluminum-alloy products in the mill finish condition that are intended for marine hull construction and other marine applications where frequent or constant direct contact with seawater is expected and for similar environments (Note 1). Aluminum alloy products covered by this specification include the alloy-tempers of flat sheet, coiled sheet, and plate shown in Table 2 [Table 3] and Table 4 [Table 5], and alloy-tempers of extruded profiles shown in Table 6 [Table 7].
Note 1: There are other aluminum alloy-temper products that may be suitable for use in marine and similar environments, but which may not require the corrosion resistance testing specified by B928/B928M. See Specification B209 or B209M for other aluminum sheet and plate alloy-temper products. For other aluminum extruded alloy-temper products see Specification B221 or B221M and/or other relevant specifications for aluminum extruded products.
1.2 Alloy and temper designations are in accordance with ANSI H35.1/H35.1 (M). The equivalent Unified Numbering System alloy designations are those of Table 1 preceded by A9, for example, A95083 for 5083 in accordance with Practice E527.
1.3 The values stated in either SI units (Table 3 and Table 5) or inch-pound units (Table 2 and Table 4) are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of each other. Combining values from the two systems may result in non-conformance with the standard.
1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.
1.5 This 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.
General Information
Relations
Buy Standard
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: B928/B928M − 15
Standard Specification for
High Magnesium Aluminum-Alloy Products for Marine
1
Service and Similar Environments
This standard is issued under the fixed designation B928/B928M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
2.1 The following documents of the issue in effect on the
1.1 This specification covers high magnesium aluminum-
alloy products in the mill finish condition that are intended for date of material purchase, unless otherwise noted, form a part
of this specification to the extent referenced herein:
marine hull construction and other marine applications where
frequent or constant direct contact with seawater is expected 2
2.2 ASTM Standards:
and for similar environments (Note 1). Aluminum alloy prod-
B209 Specification for Aluminum and Aluminum-Alloy
ucts covered by this specification include the alloy-tempers of
Sheet and Plate (Metric) B0209_B0209M
flat sheet, coiled sheet, and plate shown in Table 2 [Table 3]
B209M Specification for Aluminum and Aluminum-Alloy
and Table 4 [Table 5], and alloy-tempers of extruded profiles 3
Sheet and Plate (Metric) (Withdrawn 2021)
shown in Table 6 [Table 7].
B221 Specification for Aluminum and Aluminum-Alloy Ex-
NOTE 1—There are other aluminum alloy-temper products that may be
truded Bars, Rods, Wire, Profiles, and Tubes
suitable for use in marine and similar environments, but which may not
B221M Specification for Aluminum and Aluminum-Alloy
require the corrosion resistance testing specified by B928/B928M. See
Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)
Specification B209 or B209M for other aluminum sheet and plate
alloy-temper products. For other aluminum extruded alloy-temper prod-
B557 Test Methods for Tension Testing Wrought and Cast
ucts see Specification B221 or B221M and/or other relevant specifications
Aluminum- and Magnesium-Alloy Products
for aluminum extruded products.
B557M Test Methods for Tension Testing Wrought and Cast
1.2 Alloy and temper designations are in accordance with
Aluminum- and Magnesium-Alloy Products (Metric)
ANSI H35.1/H35.1 (M). The equivalent Unified Numbering
B660 Practices for Packaging/Packing of Aluminum and
System alloy designations are those of Table 1 preceded by A9,
Magnesium Products
for example, A95083 for 5083 in accordance with Practice
B666/B666M Practice for Identification Marking of Alumi-
E527.
num and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-
1.3 The values stated in either SI units (Table 3 and Table 5)
Alloy Products
or inch-pound units (Table 2 and Table 4) are to be regarded
B985 Practice for Sampling Aluminum Ingots, Billets, Cast-
separately as standard. The values stated in each system may
ings and Finished or Semi-Finished Wrought Aluminum
not be exact equivalents; therefore, each system shall be used
Products for Compositional Analysis
independently of each other. Combining values from the two
E29 Practice for Using Significant Digits in Test Data to
systems may result in non-conformance with the standard.
Determine Conformance with Specifications
1.4 For acceptance criteria for inclusion of new aluminum
E34 Test Methods for Chemical Analysis of Aluminum and
and aluminum alloys in this specification, see Annex A2. 3
Aluminum-Base Alloys (Withdrawn 2017)
1.5 This standard does not purport to address all of the E50 Practices for Apparatus, Reagents, and Safety Consid-
safety concerns, if any, associated with its use. It is the
erations for Chemical Analysis of Metals, Ores, and
responsibility of the user of this standard to establish appro-
Related Materials
priate safety, health, and environmental practices and deter-
E527 Practice for Numbering Metals and Alloys in the
mine the applicability of regulatory limitations prior to use.
Unified Numbering System (UNS)
1 2
This specification is under the jurisdiction of ASTM Committee B07 on Light For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Aluminum Alloy Wrought Products. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved June 15, 2015. Published July 2015. Originally the ASTM website.
3
approved in 2003. Last previous edition approved in 2014 as B928/B928M – 14a. The last approved v
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: B928/B928M − 14a B928/B928M − 15
Standard Specification for
High Magnesium Aluminum-Alloy Sheet and Plate Products
1
for Marine Service and Similar Environments
This standard is issued under the fixed designation B928/B928M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers high magnesium marine application aluminum-alloy (productsNote 1), in those alloy-tempers
shown in Table 2 [Table 3] and Table 4 [Table 5], for flat sheet, coiled sheet, and plate, in in the mill finish condition that are
intended for marine hull construction and other marine applications where frequent or constant direct contact with seawater is
expected and for similar environments (Note 21). Aluminum alloy products covered by this specification include the alloy-tempers
of flat sheet, coiled sheet, and plate shown in Table 2 [Table 3] and Table 4 [Table 5], and alloy-tempers of extruded profiles shown
in Table 6 [Table 7].
NOTE 1—Throughout this specification use of the term alloy in the general sense includes aluminum as well as aluminum alloy.
NOTE 1—There are other aluminum alloy-temper products that may be suitable for use in marine and similar environments, but which may not require
the corrosion resistance testing specified by B928/B928M. See Specification B209 or B209M for other aluminum sheet and plate alloy-temper products.
For other aluminum extruded alloy-temper products see Specification B221 or B221M and/or other relevant specifications for aluminum extruded
products.
1.2 Alloy and temper designations are in accordance with ANSI H35.1/H35.1 (M). The equivalent Unified Numbering System
alloy designations are those of Table 1 preceded by A9, for example, A95083 for 5083 in accordance with Practice E527.
1.3 The values stated in either SI units (Table 3 and Table 5) or inch-pound units (Table 2 and Table 4) are to be regarded
separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used
independently of each other. Combining values from the two systems may result in non-conformance with the standard.
1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.
1.5 This 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.
2. Referenced Documents
2.1 The following documents of the issue in effect on the date of material purchase, unless otherwise noted, form a part of this
specification to the extent referenced herein:
2
2.2 ASTM Standards:
B209 Specification for Aluminum and Aluminum-Alloy Sheet and Plate
B209M Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)
B221 Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
B221M Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)
B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B666/B666M Practice for Identification Marking of Aluminum and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
1
This specification is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on Aluminum
Alloy Wrought Products.
Current edition approved Oct. 1, 2014June 15, 2015. Published October 2014July 2015. Originally approved in 2003. Last previous edition approved in 2014 as
B928/B928M – 14.B928/B928M – 14a. DOI: 10.1520/B0928_B0928M-14A.10.1520/B0928_B0928M-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO
...
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B928/B928M − 15
Standard Specification for
High Magnesium Aluminum-Alloy Products for Marine
1
Service and Similar Environments
This standard is issued under the fixed designation B928/B928M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
1.1 This specification covers high magnesium aluminum- 2.1 The following documents of the issue in effect on the
date of material purchase, unless otherwise noted, form a part
alloy products in the mill finish condition that are intended for
marine hull construction and other marine applications where of this specification to the extent referenced herein:
2
frequent or constant direct contact with seawater is expected
2.2 ASTM Standards:
and for similar environments (Note 1). Aluminum alloy prod-
B209 Specification for Aluminum and Aluminum-Alloy
ucts covered by this specification include the alloy-tempers of
Sheet and Plate (Metric) B0209_B0209M
flat sheet, coiled sheet, and plate shown in Table 2 [Table 3]
B209M Specification for Aluminum and Aluminum-Alloy
3
and Table 4 [Table 5], and alloy-tempers of extruded profiles
Sheet and Plate (Metric) (Withdrawn 2021)
shown in Table 6 [Table 7].
B221 Specification for Aluminum and Aluminum-Alloy Ex-
NOTE 1—There are other aluminum alloy-temper products that may be
truded Bars, Rods, Wire, Profiles, and Tubes
suitable for use in marine and similar environments, but which may not
B221M Specification for Aluminum and Aluminum-Alloy
require the corrosion resistance testing specified by B928/B928M. See
Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)
Specification B209 or B209M for other aluminum sheet and plate
alloy-temper products. For other aluminum extruded alloy-temper prod-
B557 Test Methods for Tension Testing Wrought and Cast
ucts see Specification B221 or B221M and/or other relevant specifications
Aluminum- and Magnesium-Alloy Products
for aluminum extruded products.
B557M Test Methods for Tension Testing Wrought and Cast
1.2 Alloy and temper designations are in accordance with
Aluminum- and Magnesium-Alloy Products (Metric)
ANSI H35.1/H35.1 (M). The equivalent Unified Numbering
B660 Practices for Packaging/Packing of Aluminum and
System alloy designations are those of Table 1 preceded by A9,
Magnesium Products
for example, A95083 for 5083 in accordance with Practice
B666/B666M Practice for Identification Marking of Alumi-
E527.
num and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-
1.3 The values stated in either SI units (Table 3 and Table 5)
Alloy Products
or inch-pound units (Table 2 and Table 4) are to be regarded
B985 Practice for Sampling Aluminum Ingots, Billets, Cast-
separately as standard. The values stated in each system may
ings and Finished or Semi-Finished Wrought Aluminum
not be exact equivalents; therefore, each system shall be used
Products for Compositional Analysis
independently of each other. Combining values from the two
E29 Practice for Using Significant Digits in Test Data to
systems may result in non-conformance with the standard.
Determine Conformance with Specifications
1.4 For acceptance criteria for inclusion of new aluminum
E34 Test Methods for Chemical Analysis of Aluminum and
and aluminum alloys in this specification, see Annex A2. 3
Aluminum-Base Alloys (Withdrawn 2017)
1.5 This standard does not purport to address all of the
E50 Practices for Apparatus, Reagents, and Safety Consid-
safety concerns, if any, associated with its use. It is the
erations for Chemical Analysis of Metals, Ores, and
responsibility of the user of this standard to establish appro-
Related Materials
priate safety, health, and environmental practices and deter-
E527 Practice for Numbering Metals and Alloys in the
mine the applicability of regulatory limitations prior to use.
Unified Numbering System (UNS)
1 2
This specification is under the jurisdiction of ASTM Committee B07 on Light For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Aluminum Alloy Wrought Products. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved June 15, 2015. Published July 2015. Originally the ASTM website.
3
approved in 2003. Last previous edition approved in 2014 as B928/B928M – 14a. The last approved version of this historical standard is referenced on
DOI: 10.1520/B0928_B0928M-15. www.astm.org.
*A Summary of Changes section appear
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.