ASTM B632/B632M-00

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Designation: B 632/B 632M – 00
Standard Specification for
Aluminum-Alloy Rolled Tread Plate
This standard is issued under the fixed designation B 632/B 632M; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
A,B,C
TABLE 1 Chemical Composition Limits for Alloy 6061
1. Scope *
Silicon 0.40–0.8 Zinc 0.25
1.1 This specification covers aluminum-alloy rolled flat
Iron 0.7 Titanium 0.15
tread plate, mill-finish, with a raised pattern on one side, in the D
Copper 0.15–0.40 Others—each 0.05
D,E
Manganese 0.15 Others—total 0.15
alloy, tempers, and thicknesses shown in Table 1 and Table 2
Magnesium 0.8–1.2 Aluminum remainder
[Table 3].
Chromium 0.04–0.35
1.2 Alloy and temper designation are in accordance with
A
Limits are in weight [mass] percent maximum unless shown as a range or
ANSI H35.1 [H35.1M]. The equivalent Unified Numbering
stated otherwise.
B
System alloy designation is that of Table 1 preceded by A9, Analysis shall be made for the elements for which limits are shown in this table.
C
For purposes of determining conformance to these limits, an observed value
which is A96061 for alloy 6061 in accordance with Practice
or a calculated value attained from analysis shall be rounded to the nearest unit in
E 527.
the last right-hand place of figures used in expressing the specified limit, in
1.3 For acceptance criteria for inclusion of new aluminum accordance with the rounding-off method of Practice E 29.
D
Others includes all unlisted metallic elements. The producer may analyze
and aluminum alloys in this specification, see Annex A2.
samples for trace elements not specified in the specification. However, such
1.4 The values stated in either inch-pound or SI units are to
analysis is not required and may not cover all metallic Others elements. Should
be regarded separately as standard. The SI units are shown any analysis by the producer or the purchaser establish that an Others element
exceeds the limit of Each or that the aggregate of several Others elements
either in brackets or in separate tables. The values stated in
exceeds the limit of Total, the material shall be considered nonconforming.
each system are not exact equivalents; therefore, each system E
Other Elements—Total shall be the sum of unspecified metallic elements
0.010 % or more, rounded to the second decimal before determining the sum.
must be used independently of the other. Combining values
from the two systems will result in nonconformance with the
specification.
Aluminum-Base Alloys
E 55 Practice for Sampling Wrought Nonferrous Metals and
2. Referenced Documents
Alloys for Determination of Chemical Composition
2.1 The following documents of the issue in effect on the
E 227 Test Method for Optical Emission Spectrometric
date of material purchase form a part of this specification to the
Analysis of Aluminum and Aluminum Alloys by the
extent referenced herein:
Point-to-Plane Technique
2.2 ASTM Standards:
E 290 Test Method for Semi-Guided Bend Test for Ductility
B 557 Test Methods of Tension Testing Wrought and Cast
of Metallic Materials
Aluminum- and Magnesium-Alloy Products
E 527 Practice for Numbering Metals and Alloys (UNS)
B 557M Test Methods of Tension Testing Wrought and Cast
E 607 Test Method for Optical Emission Spectrometric
Aluminum- and Magnesium-Alloy Products [Metric]
Analysis of Aluminum and Aluminum Alloys by the
B 597 Practice for Heat Treatment of Aluminum Alloys
Point-to-Plane Technique, Nitrogen Atmosphere
B 660 Practices for Packaging/Packing of Aluminum and
E 716 Practices for Sampling Aluminum and Aluminum
Magnesium Products
Alloys for Spectrochemical Analysis
B 666/B 666M Practice for Identification Marking of Alu-
E 1251 Test Method for Optical Emission Spectrometric
minum and Magnesium Products
Analysis of Aluminum and Aluminum Alloys by the Argon
E 29 Practice for Using Significant Digits in Test Data to
Atmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-
Determine Conformance with Specifications
pacitor Discharge
E 34 Test Methods for Chemical Analysis of Aluminum and
2.3 ANSI Standards:
H35.1 Alloy and Temper Designation Systems for Alumi-
num
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 July 10, 2000. Published September 2000. Originally Annual Book of ASTM Standards, Vol 03.05.
published as B 632–78. Last previous edition B 632/B 632M–95. Annual Book of ASTM Standards, Vol 03.01.
2 6
Annual Book of ASTM Standards, Vol 02.02. Annual Book of ASTM Standards, Vol 01.01.
3 7
Annual Book of ASTM Standards, Vol 14.02. Annual Book of ASTM Standards, Vol 03.06.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
B 632/B 632M
A,B
TABLE 2 Tensile Properties, Inch-Pound Units
Elongation
Tensile Strength, Yield Strength
in
ksi (0.2 % Offset), ksi
Alloy and Specified
2 in. or
C
Temper Thickness , in.
D
4 ,
min max min max
min,%
6061-O 0.100–0.128 . 22.0 . 12.0 16
0.129–0.499 . 22.0 . 12.0 18
0.500–0.625 . 22.0 . . 18
6061-T4 0.100–0.249 30.0 . 16.0 . 14
0.250–0.625 30.0 . 16.0 . 16
E
6061-T42 0.100–0.249 30.0 . 14.0 . 14
0.250–0.625 30.0 . 14.0 . 16
6061-T6 and 0.100–0.188 42.0 . 35.0 . 6
E
T62
0.189–0.249 42.0 . 35.0 . 8
0.250–0.499 42.0 . 35.0 . 10
0.500–0.625 42.0 . 35.0 . 9
6061-F 0.100–0.625 no requirements
A
To determine conformance to this specification, each value for tensile strength and for yield strength shall be rounded to the nearest 0.1 ksi and each value for
elongation to the nearest 0.5 %, both in accordance with the rounding-off method of Practice E 29.
B
See Annex A1 for the basis for establishment of mechanical property limits.
C
1 1
For sheet and plate under ⁄2 in. in thickness, the standard ⁄2 in. wide tension test specimen shall be used. Unless otherwise specified, rectangular tension test
specimens may be tested without the removal of the raised pattern.
D
The specimen diameter is represented by D.
E
This temper is not available from the material producer.
A,B
TABLE 3 Tensile Properties [SI Units]
C
Specified Thickness, Tensile Strength, Yield Strength (0.2 % Offset), Elongation, min,
mm MPa MPa %
Alloy and
Temper
in 50
D
Over Through min max min max 5D
mm
6061-O 2.49 3.20 . 150 . 85 16 .
3.20 12.50 . 150 . 85 18 .
12.50 16.00 . 150 . . . 16
6061-T4 2.49 6.30 205 . 110 . 14 .
6.30 12.50 205 . 110 . 16 .
12.50 16.00 205 . 110 . . 14
E
6061-T42 2.49 6.30 205 . 95 . 14 .
6.30 12.50 205 . 95 . 16 .
12.50 16.00 205 . 95 . . 14
6061-T6 and 2.49 5.00 290 . 240 . 6 .
E
T62
5.00 6.30 290 . 240 . 8 .
6.30 12.50 290 . 240 . 10 .
12.50 16.00 290 . 240 . . 8
6061-F 2.49 16.00 no requirements
A
To determine conformance to this specification, each value for tensile strength and for yield strength shall be rounded to the nearest 1 MPa and each value for
elongation to the nearest 0.5 %, both in accordance with the rounding-off method of Practice E 29.
B
See Annex A1 for the basis for establishment of mechanical property limits.
C
For sheet and plate through 12.50 mm in thickness, the standard 12.50-mm wide tension test specimen shall be used. The raised figures of the pattern should be
machined off before testing. Unless otherwise specified, rectangular tension specimens may be tested without the removal of the raised pattern.
D
The specimen diameter is represented by D.
E
This temper is not available from the material producer.
H35.1M Alloy and Temper Designation Systems for Alu- 2.6 Federal Standard:
minum [Metric] Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
H35.2 Dimensional Tolerances for Aluminum Mill Prod-
2 3. Terminology
ucts
3.1 Definitions:
H35.2M Dimensional Tolerances for Aluminum Mill Prod-
3.1.1 mill finish—a nonuniform finish which may vary from
ucts [Metric]
piece to piece and within a piece, and which may not be
2.4 Military Standard:
entirely free of stains or oil.
MIL-STD-129 Marking for Shipment and Storage
3.1.2 producer—the primary manufacturer of the material.
2.5 Military Specification:
3.1.3 supplier—the category of jobbers and distributors
MIL-H-6088 Heat Treatment of Aluminum Alloys
only as distinct from producers.
3.1.4 tread plate—sheet and plate having a raised pattern on
one side. The specified thickness does not include the pattern
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. height.
B 632/B 632M
3.2 Definitions of Terms Specific to This Standard: 6. General Quality
3.2.1 capable of—The term capable of as used in this
6.1 Unless otherwise specified, all tread plate shall be
specification means that the tests need not be performed.
supplied in the mill finish and shall be uniform as defined by
However, should testing by the purchaser establish that the
the requirements of this specification and shall be commer-
material does not meet these requirements, the material shall be
cially sound. Any requirement not so covered is subject to
subject to rejection.
negotiation between the producer and the purchaser.
6.2 Each piece shall be examined to determine conformance
4. Ordering Information
to this specification with respect to general quality and identi-
fication marking. On approval of the purchaser, however, a
4.1 Orders for material under this specification shall include
the following information: system of statistical quality control may be used for such
examinations.
4.1.1 This specification designation (which includes the
number, the year, and the revision letter, if applicable),
7. Chemical Composition
NOTE 1—For inch-pound orders, specify Specification B 632; for met-
7.1 Limits—The tread plate shall conform to the chemical
ric orders, specify B 632M. Do not mix units.
composition limits specified in Table 1. Conformance shall be
determined by analyzing samples taken at the time the ingots
4.1.2 Quantity in pieces or pounds [kilograms],
are poured, or samples taken from the finished or semifinished
4.1.3 Alloy (7.1),
product. If the chemical composition of the material has been
4.1.4 Temper (9.1),
determined during the course of manufacture, sampling and
4.1.5 Dimensions (thickness, width, and length),
analysis of the finished product shall not be necessary.
4.2 Additionally, orders for material to this specification
shall include the following information when required by the
NOTE 2—It is standard practice in the United States aluminum industry
purchaser: to determine conformance to the chemical composition limits prior to
further processing of ingots into wrought products. Due to the continuous
4.2.1 Whether heat treatment in accordance with Practice
nature of the process, it is not practical to keep a specific ingot analysis
B 597 is required (8.2),
identified with a specific quantity of finished material.
4.2.2 Whether tension test specimens that retain the pattern
7.2 Number of Samples—The number of samples taken for
are unacceptable (Table 2, footnote C).
the determination of chemical composition shall be as follows:
4.2.3 Whether bend tests are required (10.1),
7.2.1 When samples are taken at the time the ingots are
4.2.4 Whether inspection or witness of inspection and tests
poured, at least one sample shall be taken for each group of
by the purchaser’s representative is required prior to material
ingots poured simultaneously from the same source of molten
shipment (13.1),
metal.
4.2.5 Whether certification of the material by the producer
7.2.2 When samples are taken from the finished or semifin-
or supplier is required (17.1),
ished product, a sample shall be taken to represent each 4000
4.2.6 Whether marking is required (15.1), and
lb [2000 kg] or fraction thereof, of material in the lot, except
4.2.7 Whether Practice B 660 applies and, if so, the levels of
that not more than one sample shall be required per piece.
preservation, packaging, and packing required (16.3).
7.3 Methods of Sampling—Samples for determination of
chemical composition shall be taken in accordance with one of
5. Responsibility for Quality Assurance
the following methods:
5.1 Responsibility for Inspection and Tests—Unless other-
7.3.1 Samples for chemical analysis shall be taken by
wise specified in the contract or purchase order, the producer is
drilling, sawing, milling, turning, or clipping a representative
responsible for the performance of all inspection and test
piece or pieces to obtain a prepared sample of not less than 75
requirements specified herein. The producer may use his own
g. Sampling shall be in accordance with Practice E 55.
or any other suitable facilities for the performance of the
7.3.2 Sampling for spectrochemical analysis shall be in
inspection and test requirements specified herein, unless dis-
accordance with Practices E 716. Samples for other methods of
approved by the purchaser in the order or at the time of contract
analysis shall be suitable for the form of material being
signing. The purchaser shall have the right to perform any of
analyzed and the type of analytical method used.
the inspections and tests set forth in this specification where
7.4 Methods of Analysis—The determination of chemical
such inspections are deemed necessary to assure that material
composition shall be made in accordance with suitable chemi-
conforms to prescribed requirements.
cal (Test Methods E 34), or spectrochemical (Test Methods
5.2 Lot Definition—An inspection lot shall be defined as
E 227, E 607, and E 1251), methods. Other methods may be
follows:
used only when no published ASTM method is available. In
5.2.1 For heat-treated tempers, an inspection lot shall con-
case of dispute, the method of analysis shall be agreed upon
sist of an identifiable quantity of material of the same mill
between the producer and purchaser.
form, alloy, temper, and thickness traceable to a heat-treat lot
8. Heat Treatment
or lots, and subjected to inspection at one time.
5.2.2 For nonheat-treated tempers, an inspection lot shall 8.1 Unless specified in 8.2, producer or supplier heat treat-
consist of an identifiable quantity of material of the same mill ment for the applicable tempers in Table 2 [Table 3] shall be in
form, alloy, temper, an
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