ASTM B422-99

Standard Specification for Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy, Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-Nickel-Tin Alloy Sheet and Strip

SCOPE
1.1 This specification covers Copper Alloy UNS Nos. C63800, C70250, C70260 and C72400 (Note 1) Sheet and Strip.  
Note 1-This document contains some patented alloys. Alternatives such as beryllium coppers and spinodal alloys are available for similar applications.
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Sep-1999
• 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 B422-03 - Standard Specification for Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy, Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-Nickel-Tin Alloy Sheet and Strip
• Effective Date: 01-Oct-2003

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 422 – 99
Standard Specification for
Copper-Aluminum-Silicon-Cobalt Alloy, Copper-Nickel-
Silicon-Magnesium Alloy, Copper-Nickel-Silicon Alloy,
Copper-Nickel-Aluminum-Magnesium Alloy, and Copper-
Nickel-Tin Alloy Sheet and Strip
This standard is issued under the fixed designation B 422; 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 * 3.1.7 Type of edge, if required (slit, sheared, sawed, square
corners, rounded corners, rounded edges, or full-rounded edges
1.1 This specification establishes the requirements for Cop-
(see 9.6),
per Alloy UNS Nos. C19025, C63800, C70250, and C70260
3.1.8 Type of width and straightness tolerances, if required
(Note 1) Sheet and Strip.
(slit-metal tolerances, square sheared-metal tolerances, sawed-
NOTE 1—This document contains some patented alloys. Alternatives
metal tolerances, straightened or edge-rolled-metal tolerances)
such as beryllium coppers and spinodal alloys are available for similar
(Section 9), and
applications.
3.1.9 ASTM specification number and year of issue.
1.2 The values stated in inch-pound units are to be regarded
3.2 In addition, when material is purchased for agencies of
as the standard.
the U.S. Government, it shall conform to the Supplementary
Requirements as defined in Specification B 248 when specified
2. Referenced Documents
in the contract or purchase order.
2.1 The following documents of the issue in effect on date
of material purchase form a part of this specification to the 4. General Requirements
extent referenced herein:
4.1 Material furnished to this specification shall conform to
2.2 ASTM Standards:
the applicable requirements of the current edition of Specifi-
B 248 Specification for General Requirements for Wrought
cation B 248.
Copper and Copper–Alloy Plate, Sheet, Strip, and Rolled
Bar 5. Chemical Composition
E 527 Practice for Numbering Metals and Alloys (UNS)
5.1 The materials shall conform to the compositions pre-
scribed in Table 1.
3. Ordering Information
5.2 These specification limits do not preclude the presence
3.1 Orders for material under this specification should
of other elements. Limits for unnamed elements may be
include the following information:
established by agreement between manufacturer or supplier
3.1.1 Quantity (of each size),
and purchaser.
3.1.2 Alloy: Copper Alloy UNS No. (Section 1),
5.3 Copper may be taken as the difference between the sum
3.1.3 Form of material (sheet or strip),
of all the elements analyzed and 100 %. When all the elements
3.1.4 Temper (see 6.1),
in Table 1 for Alloys C63800, C70250, and C70260 are
3.1.5 Dimensions (thickness, width, length (if applicable),
analyzed, their sum shall be 99.5 % min. When all the elements
3.1.6 How furnished (rolls, specific lengths with or without
in Table 1 for Alloy C19025 are analyzed, their sum shall be
ends, stock lengths with or without ends),
99.7 % min.
1 6. Temper
This specification is under the jurisdiction of ASTM Committee B05 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
6.1 Tempers available under this specification are as desig-
Sheet, and Strip.
nated in Tables 2, 3, 4, and 5.
Current edition approved Sept. 10, 1999. Published December 1999. Originally
published as B 422 – 65. Last previous edition B 422 – 98.
2 7. Mechanical Properties
The UNS system for copper and copper alloys (see Practice E 527) is a simple
expansion of the former standard designation system accomplished by the addition
7.1 Copper Alloy UNS No. C63800 is a dispersion-
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
strengthened alloy which does not require heat treatment. The
composition variations of the base alloy.
Annual Book of ASTM Standards, Vol 02.01. annealed and rolled tempers shall conform to the tensile
Annual Book of ASTM Standards, Vol 01.01.
*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.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B 422
TABLE 1 Chemical Requirements Composition %
Element C19025 C63800 C70250 C70260
A A
Nickel 0.80–1.20 0.20 max. 2.2–4.2 1.0–3.0
Silicon . . . 1.5–2.1 0.25–1.2 0.2–0.7
Lead, max. . . . 0.05 0.05 . . .
Iron, max. . . . 0.20 0.20 . . .
Zinc, max. . . . 0.8 1.0 . . .
Aluminum . . . 2.5–3.1 . . . . . .
Copper remainder remainder remainder remainder
Cobalt . . . 0.25–0.55 . . . . . .
Manganese, max. . . . 0.10 0.10 . . .
Magnesium . . . . . . 0.05–0.30 . . .
Tin 0.70–1.10 . . . . . . . . .
Phosphorus 0.03–0.07 . . . . . . 0.010 max.
A
Including cobalt.
TABLE 2 Tensile Property Requirements and Approximate Hardness Values for Copper Alloy UNS No. C63800
A
Temper Tensile Strength Approximate Rockwell Hardness
Elongation in 2 in.
B C
(50.8 mm), %
Designation Name ksi MPa Rockwell B Superficial 30T
O60 soft anneal 78 max 540 max 37 min . . . . . .
O61 annealed 77–87 530–600 27–40 . . . 70–78
H01 ⁄4hard 90–102 620–705 . . . 92–96 76–80
H02 ⁄2hard 100–112 690–775 . . . 95–98 79–81
H03 ⁄4hard 105–117 720–810 . . . 97–99 80–82
H04 hard 114–126 785–870 . . . 98–100 81–83
H06 extra hard 118–130 815–900 . . . 99–101 81–83
H08 spring 123–134 845–925 . . . 99–101 82–84
H10 extra spring 130 min 900 min . . . 100 min 83 min
A
Hardness values shown apply only to direct determination, not converted values. They are for information only.
B
ksi 5 1000 psi.
C
See Appendix X1.
TABLE 3 Tensile Property Requirements for Copper Alloy UNS TABLE 5 Tensile Requirements for Copper Alloy UNS No.
No. C70250 C19025
Temper Yield Strength at 0.2 % Offset Tensile Strength Elongation in 2 in.
Designation
A B
...