ASTM B138M-96

Standard Specification for Manganese Bronze Rod, Bar and Shapes [Metric] (Withdrawn 2001)

SCOPE
1.1 This specification establishes the requirements for manganese bronze rod, bar and shapes produced in Copper Alloy UNS No. C67000 or C67500.  
1.2 This specification is the SI-Metric companion to Specification B138.  
1.3 Warning-Mercury is a definite health hazard in use and disposal (Section 9).  Note 1-Product suitable for hot forging applications is available under Specification B124.

General Information

• Status: Withdrawn
• Publication Date: 31-Dec-1995
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.02 - Rod, Bar, Wire, Shapes and Forgings

Relations

• Replaced By: ASTM B138/B138M-11(2017) - Standard Specification for Manganese Bronze Rod, Bar, and Shapes
• Effective Date: 01-Jan-1996

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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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 138M – 96
METRIC
Standard Specification for
1
Manganese Bronze Rod, Bar and Shapes [Metric]
This standard is issued under the fixed designation B 138M; 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.
1. Scope * 3.1.2 Copper Alloy UNS No. designation (for example,
C67000),
1.1 This specification establishes the requirements for man-
3.1.3 Temper (Section 6 and Table 1),
ganese bronze rod, bar and shapes produced in Copper Alloy
3.1.4 Form of product (for example, round, hexagonal),
UNS No. C67000 or C67500.
3.1.5 Dimensions (for example, diameter, distance between
1.2 This specification is the SI-Metric companion to Speci-
parallel surfaces),
fication B 138.
3.1.6 Tolerances for shapes,
1.3 Warning—Mercury is a definite health hazard in use
3.1.7 Edge contours,
and disposal (Section 8).
3.1.8 Length,
NOTE 1—Product suitable for hot forging applications is available
3.1.9 Quantity (total weight, footage or number of pieces),
under Specification B 124.
3.1.10 When product is purchased for agencies of the U.S.
Government (Section 10).
2. Referenced Documents
3.2 The following options are available under this specifi-
2.1 ASTM Standards:
cation and shall be included in the contract or purchase order
B 124M Specification for Copper and Copper Alloy Forg-
when required:
2
ing Rod, Bar and Shapes (Metric)
3.2.1 Heat identification or traceability details (Specifica-
B 154 Test Method of Mercurous Nitrate Test for Copper
tion B 249),
2
and Copper Alloys
3.2.2 Piston finish (Section 9),
B 249M Specification for General Requirements for
3.2.3 Mercurous nitrate test (Section 8),
Wrought Copper and Copper-Alloy Rod, Bar Shapes and
3.2.4 Certification (Specification B 249), and
2
Forgings (Metric)
3.2.5 Mill Test Report (Specification B 249).
B 601 Practice for Temper Designation for Copper and
2
Copper Alloys—Wrought and Cast
4. Material and Manufacture
E 8M Test Methods for Tension Testing of Metallic Mate-
4.1 Material:
3
rials
4.1.1 The material of manufacture shall be cast billets of
E 54 Test Methods for Chemical Analysis of Special
Copper Alloy UNS No. C67000 or C67500, as specified in the
4
Brasses and Bronzes
ordering information, and shall be of such soundness as to be
E 62 Test Methods for Chemical Analysis of Copper and
suitable for hot extrusion (Section 1.1).
4
Copper Alloys (Photometric)
4.2 Manufacture:
E 478 Test Methods for Chemical Analysis of Copper
4.2.1 The product shall be manufactured by hot extrusion
4
Alloys
and finished by such cold working, annealing and straightening
as may be necessary to achieve the required properties.
3. Ordering Information
3.1 Orders for product shall include the following:
5. Chemical Composition
3.1.1 ASTM designation and year of issue (for example,
5.1 The material shall conform to the composition require-
B138 – 96),
ments specified in Table 2 for the Copper Alloy UNS No.
named in the ordering information.
1
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
5.1.1 These compositional limits do not preclude the pres-
and Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,
ence of other elements. When required, limits shall be estab-
Bar, Wire, Shapes, and Forgings.
lished and analysis required for unnamed elements by agree-
Current edition approved April 10, 1996. Published June 1996. Originally
published as B 138M – 92. Last previous edition B 138M – 92. ment between the manufacturer and the purchaser.
2
Annual Book of ASTM Standards, Vol 02.01.
5.2 For Copper Alloys in which zinc is specified as the
3
Annual Book of ASTM Standards, Vol 03.01.
remainder, either copper or zinc is permitted to be taken as the
4
Annual Book of ASTM Standards, Vol 03.05.
*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.
1

---------------------- Page: 1 ----------------------
B 138M
TABLE 1 Tensile Requirements
Tensile Yield Strength, at
Temper Strength, 0.5 % extension
Diameter or Distance Between Elongation
Form
A
min under load, min
Parallel Surface mm min, %
Standard Name MPa MPa
Copper Alloy UNS No. C67000
B
Rod and bar soft all sizes 585 310 10
B
half-hard all sizes 720 415 7
B
hard all sizes 790 470 5
Copper Alloy UNS No. C67500
Rod O60 soft anneal all sizes 380 150 20
H02 half-hard 25 and under 500 250 13
over 25 to 65 incl 450 240 15
over 65 450 220 17
H04 hard 25 and under 550 385 8
over 25 to 38 incl 525 360 10
over 38 to 65 inc
...