ASTM B129-02

Standard Specification for Cartridge Brass Cartridge Case Cups

SCOPE
1.1 This specification establishes the requirements for annealed cartridge brass cups produced of Copper Alloy UNS No. C26000 for processing into cartridge cases of the following types:
1.1.1 Type I, for small arms cartridge case cups, and
1.1.2 Type II, for artillery cartridge case cups.
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 B129-96 - Standard Specification for Cartridge Brass Cartridge Case Cups
• Effective Date: 10-Apr-2002
• Replaced By: ASTM B129-07 - Standard Specification for Cartridge Brass Cartridge Case 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 129 – 02
Standard Specification for
1
Cartridge Brass Cartridge Case Cups
This standard is issued under the fixed designation B 129; 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 an-
from a blank.
nealed cartridge brass cups produced of Copper Alloy UNS
No. C26000 for processing into cartridge cases of the follow-
4. Ordering Information
ing types:
4.1 Orders of product under this specification should in-
1.1.1 Type I, for small arms cartridge case cups, and
clude the following information:
1.1.2 Type II, for artillery cartridge case cups.
4.1.1 ASTM designation and year of issue,
1.2 The values stated in inch-pound units are the standard,
4.1.2 Type (Section 1),
except for grain size, which is given in SI units. Values in
4.1.3 Grain size (Section 7),
parentheses are for information only.
4.1.4 Dimensions and tolerances (see 8.1),
2. Referenced Documents 4.1.5 Drawing number to which order applies (see 8.1), and
4.1.6 When the material is purchased for agencies of the
2.1 ASTM Standards:
U.S. Government, (see Supplementary Requirements section).
B 601 Classification for Temper Designations for Copper
2
and Copper Alloys—Wrought and Cast
5. Material and Manufacture
2
B 846 Terminology for Copper and Copper Alloys
3
5.1 Material:
E 3 Guide for Preparation of Metallographic Specimens
5.1.1 The material of manufacture shall be annealed plate,
E 29 Practice for Using Significant Digits in Test Data to
4
sheet, strip, or disks of wrought Alloy UNS No. C26000
Determine Conformance with Specifications
3 processed to produce even-topped cups.
E 112 Test Methods for Determining Average Grain Size
5.2 Manufacture:
E 255 Practice for Sampling Copper and CopperAlloys for
5 5.2.1 The material shall be blanked and cupped to meet the
Determination of Chemical Composition
cup dimensions specified, and subsequently annealed. The
E 478 Test Methods for Chemical Analysis of Copper
5 annealed cups shall be pickled, washed, and dried.
Alloys
6. Chemical Composition
3. Terminology
6.1 The product shall conform to the requirements pre-
3.1 For definitions of terms related to copper and copper
scribed in Table 1.
alloys, refer to Terminology B 846.
6.2 Composition limits may be established and analysis
3.2 Definitions of Terms Specific to This Standard:
required for unnamed elements by agreement between manu-
3.2.1 blank (blanking), n—a piece of metal removed from
facturer and purchaser.
sheet or strip, intended for subsequent fabrication such as
6.3 Either copper or zinc may be taken as the difference
cupping and drawing.
between the sum of all elements analyzed and 100 %. Copper,
when determined by the difference, must conform to the
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper requirements of Table 1. When all elements in Table 1 are
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
analyzed, their sum shall be 99.7 % min.
Sheet, and Strip.
Current edition approved April 10, 2002. Published June 2002. Originally
7. Grain Size of Annealed Tempers
published as B 129 – 40 T. Last previous edition B 129 – 96.
2
Annual Book of ASTM Standards, Vol 02.01. 7.1 Unless there is a prior agreement between the purchaser
3
Annual Book of ASTM Standards, Vol 03.01.
andsupplier,thegrainsizefor0.30,0.45,and0.50caliberswill
4
Annual Book of ASTM Standards, Vol 14.02.
be produced to the grain size requirements specified inTable 2.
5
Annual Book of ASTM Standards, Vol 03.05.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
B 129
TABLE 1 Chemical Requirements
prepared from the pieces selected from each portion involved,
Copper Alloy UNS No. C26000 consisting of either 15 cups fromType I or two cups fromType
II. The results of this retest shall comply with the specified
Element Composition, %
requirements.
Copper 68.5–71.5
Lead, max 0.07 11.2.2 Failure of more than two samples of Type I cups to
Iron, max 0.05
comply to the grain size requirements shall be cause for
Bismuth, max 0.006
rejection of the lot. If two samples fail to comply a retest shall
Zinc remainder
be permitted on a sample double that of the original sample.
Each of the specimens so retested shall meet the specified
A
TABLE 2 Grain Size Requirements on
...