ASTM B130-95

Standard Specification for Commercial Bronze Strip for Bullet Jackets

SCOPE
1.1 This specification establishes general requirements for Copper Alloy UNS No. C22000  (commercial bronze) strip for manufacture of bullet jacket cups and ammunition components.
1.2 The values stated in inch-pound units are to be regarded as the standard except for grain size which is stated in metric units.

General Information

• Status: Historical
• Publication Date: 31-Dec-1994
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.01 - Plate, Sheet, and Strip

Relations

• Replaced By: ASTM B130-02 - Standard Specification for Commercial Bronze Strip for Bullet Jackets
• Effective Date: 10-Oct-2002
• Referred By: ASTM B248-22 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
• Effective Date: 01-Jan-1995
• Referred By: ASTM B248M-22 - Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar (Metric)
• Effective Date: 01-Jan-1995
• Referred By: ASTM E18-22 - Standard Test Methods for Rockwell Hardness of Metallic Materials
• Effective Date: 01-Jan-1995

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 130 – 95
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Commercial Bronze Strip for Bullet Jackets
This standard is issued under the fixed designation B 130; 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.
1. Scope 4. Ordering Information
1.1 This specification establishes general requirements for 4.1 Order for product under this specification should include
Copper Alloy UNS No. C22000 (commercial bronze) strip for the following information:
manufacture of bullet jacket cups and ammunition compo- 4.1.1 Specification number and year of issue,
nents. 4.1.2 Quantity or weight for each size,
1.2 The values stated in inch-pound units are to be regarded 4.1.3 Temper (Section 7),
as the standard except for grain size which is stated in metric 4.1.4 Grain size of annealed temper (optional) (Section 9),
units. 4.1.5 Dimensions: thickness, width, length, (Section 10),
4.1.6 How furnished: straight lengths or coils,
2. Referenced Documents
4.1.7 Heat identification or traceability, if required,
2.1 The following documents of the issue in effect on date 4.1.8 Certification, if required, and
of material purchase form a part of this specification to the
4.1.9 Mill test report, if required.
extent referenced herein:
4.1.10 When material is purchased for agencies of the U.S.
2.2 ASTM Standards: Government, this shall be specified in the contract or purchase
B 248 Specification for General Requirements for Wrought
order, and the material shall conform to the Supplementary
Copper and Copper Alloy Plate, Sheet, Strip, and Rolled Requirements as defined in the current issue of the Specifica-
Bar
tion B 248.
B 601 Practice for Temper Designations For Copper and
3 5. Materials and Manufacture
Copper Alloys—Wrought and Cast
E 3 Methods of Preparation of Metallographic Specimens 5.1 The material shall be of such quality and purity that the
E 8 Test Methods for Tension Testing of Metallic Materials finished product shall have the properties and characteristics
E 18 Test Methods for Rockwell Hardness and Rockwell prescribed in this specification.
Superficial Hardness of Metallic Materials 5.2 The product shall be finished by the cold-rolling and the
E 29 Practice for Using Significant Digits in Test Data to annealing process, and may be furnished in either cold-rolled
Determine Conformance with Specification or annealed tempers, as specified.
E 112 Test Method for Determining Average Grain Size
6. Chemical Composition
E 255 Practice for Sampling Copper and Copper Alloys for
6.1 The material shall conform to the composition pre-
the Determination of Chemical Composition
E 478 Test Methods for Chemical Analysis of Copper scribed in Table 1.
6.2 These specification limits do not preclude the presence
Alloys
E 527 Practice for Numbering Metals and Alloys (UNS) of other elements. Limits for unnamed elements may be
established and determination required by agreement between
3. Terminology
manufacturer or supplier and purchaser.
3.1 Refer to Specification B 248 for definition of terms. 6.3 Either copper or zinc may be taken as the difference
between the sum of all elements analyzed and 100 %. When all
elements in Table 1 are analyzed, their sum shall be 99.8 %
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
min.
and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
Sheet, and Strip.
7. Temper
Current edition approved Jan. 15, 1995. Published March 1995. Originally
e1
published as B 130 – 40 T. Last previous edition B 130 – 86 .
7.1 Tempers available under this specification, as defined in
Refer to Practice E 527 for an explanation of the unified numbering system
Practice B 601, are as follows:
(UNS).
7.1.1 Cold-Rolled Tempers—For cold rolled strip a temper
Annual Book of ASTM Standards, Vol 02.01.
Annual Book of ASTM Standards, Vol 03.01.
designation from Table 2 shall be specified.
Annual Book of ASTM Standards, Vol 14.02.
7.1.2 Annealed Tempers—For annealed tempered strip, a
Annual Book of ASTM Standards, Vol 03.05.
7 temper designation from Table 3 shall be specified.
Annual Book of ASTM Standards, Vol 01.01.
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 130
TABLE 1 Chemical Requirement NOTE 2—For the purpose of determining conformance with the dimen-
sional requirements prescribed in this specification, any measured value
Copper Alloy UNS No. C22000
outside the specified limiting values for any dimension may be cause for
Element Composition
rejection.
Copper 89.0–91.0
10.4 Straightness Tolerances—The straightness tolerances
Lead, max 0.05
Iron, max 0.05
shall be as prescribed in Table 10.
Zinc remainder
11. Workmanship, Finish, and Appearance
8. Mechanical Properties
11.1 The material shall be free of defects, but blemishes of
8.1 Tensile Strength of Rolled Tempers—The tension test
a nature that do not interfere with normal commercial opera-
shall be the standard test for all tempers of cold-rolled strip,
tions are acceptable. It shall be well-cleaned and free of dirt. A
and the acceptance or rejection shall depend only on the tensile
superficial film or residual light lubricant is normally present
strength which shall conform to the requirements prescribed in
and is acceptable unless otherwise specified.
Table 2. Tension test specimens shall be taken so the longitu-
11.2 The surface finish and appearance shall be the normal
dinal axis is parallel to the direction of rolling.
commercial quality for the alloy, thickness, and temper or-
8.1.1 Rockwell Hardness of Rolled Tempers—Since a Rock-
dered. When application information is provided with purchase
well hardness test offers a quick and convenient method of
order, the surface shall be that commercially producible for the
checking commercial bronze for general conformity to the
application. Superficial films of discoloration, or lubricants, or
requirements for tensile strength, the approximate Rockwell
tarnish inhibitors are permissible unless otherwise specified.
hardness values for each of the cold-rolled tempers are given in
Table 2 for general information and assistance in testing.
12. Sampling
8.2 Tension Tests of Annealed Tempers—Annealed strip
12.1 Sampling—The lot size, portion size, and selection of
shall conform to the tensile property requirements prescribed in
sample pieces shall be as follows:
Table 4. Tension test specimens shall be taken so the longitu-
12.1.1 Lot Size—40 000 lb (18 144 kg) or less material of
dinal axis is parallel to the direction of rolling.
the same mill form, temper, and thickness, subject to inspection
at one time.
9. Grain Size of Annealed Tempers
12.1.2 Portion Size—Sample pieces shall be selected from
9.1 In addition to the tensile properties prescribed in Table
eight individual pieces, and shall be taken so as to be
3 for strip over 0.020 in. (0.508 mm) in thickness, grain size
representative of those pieces. If the lot consists of less than
may also be specified by the purchaser. When grain size is
eight pieces, a sample shall be taken from each individual
specified, the average grain size of the annealed strip shall be
piece.
within the limits prescribed in Table 5. At a magnification of
12.1.2.1 Chemical analysis:
753, the average grain size of selected areas 79.8 mm in
12.1.3 When samples are taken at the time the castings are
diameter of each of two samples of annealed strip shall be
poured, at least one sample shall be taken for each group of
determined on a plane parallel to the surface of the strip.
castings poured simultaneously from the same source of
10. Dimensions, and Permissible Variations
molten metal.
12.1.4 When samples are taken from the semifinished prod-
10.1 Thickness—The standard method of specifying thick-
uct, a sample shall be taken to represent each 40 000 lb (18 144
ness shall be in decimal fractions of an inch. The tolerances
kg) or fraction thereof, except that no more than one sample
shall be as shown in Table 6.
shall be required per piece.
NOTE 1—For material 0.021 in. (0.533 mm) and under in thickness, it
12.2 Chemical Analysis—A sample for chemical analysis
is recommended that the nominal thickness be stated in the nearest
shall be taken and prepared in accordance with Practice E 255.
half-thousandth of an inch. (For example, specify 0.006 or 0.0065) (0.152
Drillings, millings, etc. shall be taken in approximately equal
or 0.165 mm), but not 0.0063 (0.158 mm)). For material over 0.021 in. in
thickness, it is recommended that the nominal thickness be stated in the weight from each of the sample pieces selected in accordance
nearest thousandth of an inch. (For example, specify 0.128 or 0.129 (3.25
with 12.1.2 and combined into one composite sample. The
or 3.28 mm), but not 0.1285 (3.26 mm).)
minimum weight of the composite sample that is to be divided
into three equal parts shall be 150 g.
10.2 Width—The width tolerances of strip metal shall be as
12.2.1 In lieu of sampling in accordance with Practice
prescribed in Table 7.
E 255, the manufacturer shall have the option of determining
10.3 Length—The strip shall be furnished in straight lengths
or in coils (Rolls), as specified. Rolls shall consist of not more conformance to chemical composition as follows: Conform-
ance shall be determined by the manufacturer by analyzing
than three lengths, no one of which shall be less than 10 ft (3.05
m) in length. The tolerances for straight lengths shall be as samples taken at the time the castings are poured or samples
taken from the semifinished product. If the manufacturer
prescribed in Table 8.
10.3.1 Stock Lengths—When furnished in stock lengths determines the chemical composition of the material during the
course of manufacture, he shall not be required to sample and
with short lengths included, the schedule of short lengths shall
be as prescribed in Table 9. analyze the finished product.
10.3.2 Special Length—When special lengths are required, 12.2.1.1 Due to the discontinuous nature of the processing
they shall be specified in the order. of castings into wrought products, it is not practical to keep
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 130
TABLE 2 Tensile Strength Requirements and Approximate Rockwell Hardness Values for Cold-Rolled Strip
A B C
Rolled Temper Designation Tensile Strength, ksi (MPa ) Approximate Rockwell Hardness
Standard Former Min Max B Scale Superficial 30-T
H01 Quarter-hard 40 (275) 50 (345) 27–56 34–54
H02 Half-hard 47 (325) 57 (395) 50–66 50–61
H03 Three-quarter hard 52 (355) 62 (425) 59–71 55–64
H04 Hard 57 (395) 66 (455) 65–75 60–67
H06 Extra-hard 64 (440) 72 (495) 72–79 64–69
H08 Spring 69 (475) 77 (530) 76–81 67–70
H10 Extra-spring 72 (495) 80 (550) 78–83 68–71
A
ksi 5 1000 psi.
B
See Appendix X1.
C
Rockwell hardness values apply as follows: The B scale applies to metal 0.020 in. (0.058 mm) in thickness and over; the 30-T scale applies to metal 0.012 in.
(0.305 mm) in thickness and over.
TABLE 3 Annealed Temper TABLE 5 Grain Size Requirements of Annealed Strip
Temper Designation Annealed Temper Designation Grain Size, mm
Standard Former Nominal Grain Size Nominal
Standard Former Min Max
OS015 Light anneal 0.015-mm diameter of average grain Average
A
OS025 Intermediate anneal 0.025-mm diameter of average grain OS015 Light anneal 0.015 0.025
OS035 Drawing anneal 0.035-mm diameter of average grain OS025 Intermediate anneal 0.025 0.015 0.040
OS035 Drawing anneal 0.035 0.025 0.050
A
Although no minimum grain size is required this material must be fully
TABLE 4 Tension Test Requirements of Annealed Strip
recrystallized.
Tensile Elongation
Annealed Temper
Thickness of Annealed Tempers, Strength in 2 in.
Designation
A 13.1.3 When samples are taken from the semifinished or
in. (mm) min. ksi (50.8 mm),
B
Standard Former finished product, at least one sample representative of the
(MPa ) min, %
product of each cast bar from a single melt charge continuously
OS015 Light
anneal
processed with heat identity maintained shall be analyzed.
0.005 to 0.010 (0.127 to 0.254), 38 (260) 15
13.2 Mechanical Properties and Grain Size—Unless other-
incl
wise provided in the product specification, test specimens shall
Over 0.010 to 0.050 (0.254 to 38 (260) 25
1.27), incl
be taken from two of the sample pieces selected in accordance
Over 0.050 to 0.100 (1.27 to 38 (260) 27
with 12.1.2. The required tests shall be made on each of the
2.54), incl
specimens so selected.
Over 0.100 (2.54) 38 (260) 30
OS025 Intermediate
13.3 Other Tests—For other tests, test specimens shall be
anneal
taken from four of the sample pieces selected in accordance
0.005 to 0.010 (0.127 to 0.254), 36 (250) 20
with 12.1.2. The required tests shall be made on each of the
incl
Over 0.010 to 0.050 (0.254 to 36 (250) 30
specimens so selected.
1.27), incl
13.4 Retests:
Over 0.050 to 0.100 (1.27 to 36 (250) 32
2.54), incl 13.4.1 If the chemical analysis of the specimens prepared
Over 0.100 (2.54) 36 (250) 35
from samples selected in accordance with 12.1.2 fails to
OS035 Drawing
conform to the specified limits, analysis shall be made on a
anneal
0.005 to 0.010 (0.127 to 0.254), 34 (240) 25 new composite sample prepared from the pieces selected in
incl
accordance with 12.1.2.
Over 0.010 to 0.050 (0.254 to 34 (240) 35
13.4.2 If one of the two tests made to determine any of the
1.27), incl
Over 0.050 to 0.100 (1.27 to 34 (240) 38 mechanical or grain size requirementss fails to meet a specified
2.54), incl
limit, this test shall be repeated on the remaining pieces,
Over 0.100 (2.54) 34 (240) 40
maximum of two, selected in accordance with 12.1.2, and the
A
ksi 5 1000 psi.
results of both of these tests shall comply with the specified
B
See Appendix X1
requirements.
13.4.3 If any test specimen shows defective machining or
specific casting analysis identified with a specific quantity of
develops flaws, it may be discarded and another specimen
finished material.
substituted.
12.2.2 In the event that heat identification or traceability is
13.5 Chemical analysis—shall be determined as the average
required, the purchaser shall specify the details desired.
of at least two replicate determinations for each e
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