ASTM B441-96

Standard Specification for Copper-Cobalt-Beryllium (UNS No. C17500) and Copper-Nickel-Beryllium (UNS No. C17510) Rod and Bar

SCOPE
1.1 This specification covers the requirements for copper-cobalt-beryllium Alloy UNS C17500 , and copper-nickel-beryllium Alloy UNS C17510, rod and bar in straight lengths.  
1.2 The intent is to provide a system of interchangeable alloys.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only.

General Information

• Status: Historical
• Publication Date: 09-Sep-1996
• 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 B441-02 - Standard Specification for Copper-Cobalt-Beryllium and Copper-Nickel-Beryllium Rod and Bar (UNS Nos. C17500 and C17510)
• Effective Date: 10-Oct-2002

Standards Content (Sample)

Designation: B 441 – 96
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
Copper-Cobalt-Beryllium (UNS No. C17500) and Copper-
1
Nickel-Beryllium (UNS No. C17510) Rod and Bar
This standard is issued under the fixed designation B 441; 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 * 4.1.1 ASTM designation and year of issue,
4.1.2 Copper alloy designation,
1.1 This specification covers the requirements for copper-
4.1.3 Temper (Section 6 and Table 1 and Table 2),
cobalt-beryllium alloy (UNS C17500), and copper-nickel-
4.1.4 Form of product (cross section such as round, hexago-
beryllium alloy (UNS C17510) rod and bar in straight lengths.
nal, octagonal, rectangular, or square),
1.2 The intent is to provide a system of interchangeable
4.1.5 Dimensions (diameter or distance between parallel
alloys.
surfaces),
1.3 The values stated in inch-pound units are to be regarded
4.1.6 Edge contours,
as the standard. The values given in parentheses are for
4.1.7 Length,
information only.
4.1.8 Quantity; total weight, footage or number of pieces for
2. Referenced Documents each form, temper, size, and copper alloy, and
4.1.9 When product is purchased for agencies of the U.S.
2.1 ASTM Standards:
Government (Section 10).
B 193 Test Method for Resistivity of Electrical Conductor
2
4.2 The following are options available under this specifi-
Material
cation and should be included in the contract or purchase order
B 194 Specification for Copper-Beryllium Alloy Plate,
3
when required:
Sheet, Strip and Rolled Bar
4.2.1 Heat identification or traceability details (Specifica-
B 249 Specification for General Requirements for Wrought
3
tion B 249),
Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
4.2.2 Tensile strength test (9.2.2),
B 601 Practice for Temper Designations for Copper and
3
4.2.3 Certification (Specification B 249), and
Copper Alloys—Wrought and Cast
3
4.2.4 Mill test report (Specification B 249).
B 846 Terminology for Copper and Copper Alloys
4
E 8 Test Methods for Tension Testing of Metallic Materials
5. Chemical Composition
E 18 Test Methods for Rockwell Hardness and Rockwell
4
5.1 The material shall conform to the compositional limits
Superficial Hardness of Metallic Materials
given in Table 3 for the copper alloy designated in the ordering
E 1004 Test Method for Electromagnetic (Eddy-Current)
5
information.
Measurements of Electrical Conductivity
5.1.1 These composition limits do not preclude the presence
3. Terminology
of other elements. Limits may be established and analysis
required for unnamed elements by agreement between the
3.1 For definition of terms related to copper and copper
manufacturer and the purchaser.
alloys, refer to Terminology B 846.
5.2 Copper, listed as the “Remainder” is the difference
4. Ordering Information
between the sum of results for all elements determined and
100 %.
4.1 Orders for product under this specification should in-
5.3 When all elements specified in Table 3 for the copper
clude the following information:
alloy designated in the ordering information are determined,
the sum of results shall be 99.5 % min.
1
This practice is under the jurisdiction of ASTM Committee B-5 on Copper and
Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,
6. Temper
Wire, Shapes, and Forgings.
6.1 Tempers, as described in Practice B 601, available under
Current edition approved Sept. 10, 1996. Published November 1996. Originally
published as B 441 – 66. Last previous edition B 441 – 93.
the specification are: TB00 (solution heat treated (A)). TF00
2
Annual Book of ASTM Standards, Vol 02.03.
(precipitation hardened (AT)), TD04 (solution heat treated and
3
Annual Book of ASTM Standards, Vol 02.01.
4
cold worked: hard (H)), and TH04 (hard and precipitation heat
Annual Book of ASTM Standards, Vol 03.01.
5
Annual Book of ASTM Standards, Vol 03.03. treated (HT)).
*A Summary of Changes section appears at the end of this standard.
1

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B 441
A
TABLE 1 Tensile Strength and Rockwell Hardness Requirements for Rod and Bar
Temper Designation As Supplied
Tensile Electrical
Rockwell Hard-
Standard Former Strength, Conductivity
ness, B Scale
B C
ksi (MPa ) IACS min, %
TB00 solution heat-treated (A) 35–55 (240–380) 50 max 20
TD04 solution heat-treated and cold-worked: hard (H) 65–80 (450–550) 60–80 20
After Precipitation Heat Treatment
D
TF00 precipitation hardened (AT) 100–130 (690–895) 92–100 45
D
TH04 hard and precipitation heat-treated (HT) 110–140 (760–965) 95–102 48
...