ASTM B131-02

Standard Specification for Copper Alloy Bullet Jacket Cups

SCOPE
1.1 This specification establishes the requirements for bullet jacket preform cups produced of Copper Alloy UNS No. C22000 for processing into bullet jackets of the following types and classes:
1.1.1 Type I—Caliber 0.30.
1.1.2 Type II—Caliber 0.45.
1.1.3 Type III—Caliber 0.50.
1.1.4 Type IV—As specified in the contract or order.
1.1.5 Class I—Not annealed.
1.1.6 Class II—Annealed.
1.2 The values stated in inch-pound units are the standard, except for grain size, which is given in SI units. Values in parentheses are for information only.

General Information

• Status: Historical
• Publication Date: 09-Apr-2002
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.01 - Plate, Sheet, and Strip

Relations

• Replaces: ASTM B131-96 - Standard Specification for Copper Alloy Bullet Jacket Cups
• Effective Date: 10-Apr-2002
• Replaced By: ASTM B131-07 - Standard Specification for Copper Alloy Bullet Jacket Cups
• Effective Date: 01-Oct-2007

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: B 131 – 02
Standard Specification for
1
Copper Alloy Bullet Jacket Cups
This standard is issued under the fixed designation B 131; 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 * 3.2.2 cup (cupping), n—a shallow cylindrical shell closed at
one end, normally intended for further fabrication, formed
1.1 This specification establishes the requirements for bullet
from a blank.
jacket preform cups produced of Copper Alloy UNS No.
C22000 for processing into bullet jackets of the following
4. Ordering Information
types and classes:
4.1 Orders for product under this specification should in-
1.1.1 Type I—Caliber 0.30.
clude the following information:
1.1.2 Type II—Caliber 0.45.
4.1.1 ASTM designation and year of issue.
1.1.3 Type III—Caliber 0.50.
4.1.2 Type and class (Section 1),
1.1.4 Type IV—As specified in the contract or order.
4.1.3 Grain size (Section 7),
1.1.5 Class I—Not annealed.
4.1.4 Dimensions and tolerances (see 8.1),
1.1.6 Class II—Annealed.
4.1.5 Drawing number to which order applies (see 8.1), and
1.2 The values stated in inch-pound units are the standard,
4.1.6 Work test requirements if required (Section 11).
except for grain size, which is given in SI units. Values in
4.1.7 Inaddition,whenmaterialispurchasedforagenciesof
parentheses are for information only.
the U.S. Government (see Supplementary Requirements sec-
2. Referenced Documents tion).
2.1 ASTM Standards:
5. Material and Manufacture
B 601 Classification for Temper Designations for Copper
2 5.1 Material:
and Copper Alloys—Wrought and Cast
2
5.1.1 The material of manufacture shall be annealed plate,
B 846 Terminology for Copper and Copper Alloys
3 sheet, strip, or disks of wrought Alloy UNS No. C22000
E 3 Guide for Preparation of Metallographic Specimens
processed to produce even-topped cups.
E 29 Practice for Using Significant Digits in Test Data to
4 5.2 Manufacture:
Determine Conformance with Specifications
3 5.2.1 The material shall be blanked and cupped to meet the
E 112 Test Methods for Determining Average Grain Size
cup dimensions specified, and subsequently annealed, if re-
E 255 Practice for Sampling Copper and CopperAlloys for
5 quired.The annealed cups shall be cleaned to provide a surface
Determination of Chemical Composition
suitable for subsequent redrawing into bullet jackets.
E 478 Test Methods for Chemical Analysis of Copper
5
Alloys
6. Chemical Composition
3. Terminology 6.1 The product shall conform to the chemical requirements
prescribed in Table 1.
3.1 For definitions of terms related to copper and copper
6.2 Composition limits may be established and analysis
alloys, see Terminology B 846.
required for unnamed elements by agreement between manu-
3.2 Definitions of Terms Specific to This Standard:
facturer and purchaser.
3.2.1 blank (blanking), n—a piece of metal removed from
6.3 Either copper or zinc may be taken as the difference
sheet or strip, intended for subsequent fabrication such as
between the sum of all elements analyzed and 100 %. Copper,
cupping and drawing.
when determined by difference, must conform to the require-
ments of Table 1. When all elements in Table 1 are analyzed,
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
the sum shall be 99.8 % min.
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
Sheet, and Strip.
7. Grain Size of Annealed Tempers
Current edition approved April 10, 2002. Published June 2002. Originally
published as B 131 – 40 T. Last previous edition B 131 – 96.
7.1 Unless there is a prior agreement between the purchaser
2
Annual Book of ASTM Standards, Vol 02.01.
and supplier the grain size of class II cups shall be produced to
3
Annual Book of ASTM Standards, Vol 03.01.
4 have average grain size corresponding to the limits of the
Annual Book of ASTM Standards, Vol 14.02.
5
OS025 or OS040 tempers as specified in Table 2.
Annual Book of ASTM Standards, Vol 03.05.
*A Summary of Changes section appears at the end of this standard.
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B131–02
TABLE 1 Chemical Requirements
11.1.2 Minor Defects—Notmorethan2 %ofthecupsinthe
Element Composition, % sample shall contain the following minor defects: oily cup,
greasy cup, dirty cup, oxidized cup, dented or bent edges, or
Copper 89.0–91.0
Lead, max 0.05
scratches.
Iron, max 0.05
11.2 Work Test—If required by the purchase order or con-
Bismuth, max 0.006
tract, one of the following work tests may be performed by the
Zi
...