ASTM B97-81

Specification for Copper-Silicon Alloy Plate, Sheet Strip and Rolled Bar for General Purposes (Withdrawn 1981)

General Information

• Status: Withdrawn
• ICS: 77.150.30 - Copper products
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.01 - Plate, Sheet, and Strip

Standards Content (Sample)

Designation: 897-81 SUPERS J:n _
Reproduced By GLOBAL ENGINEERING DOCUMENTS ~::·.
IHS Under Ucense With ASTM "
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Reprinted from the Annual Book of ASTM Standards, Copyright ASTM
If not listed in the current combined index, will appear in the next edition.
Standard Specification for
COPPER-SILICON ALLOY PLATE, SHEET, STRIP, AND
1
ROLLED BAR FOR GENERAL PURPOSES
This slandard is issued under lhe fixed designation B 97; the number immediately following the designation indicales 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.
1. Scope
3.1.4 Type of edge, if required: slit,
sheared, sawed, square corners, rounded cor­1.1 This specification covers copper-silicon
ners, rounded edges, or full-rounded edges
alloy plate, sheet, strip, and rolled bar com­
(see 7.7),
monly used for drawing, forming , stamping,
3.1.5 Finish (Section 8),
and bending. The following two alloys are
3. I .6 How furnished (straight lengths or
covered:
coils),
Copper Previously
Alloy 3.1.7 Length (see 7.4), and
Used Nominal Silicon
UNS No.• Designation
%
3.1.8 Weight (total for each size).
C65100 B 1.6
3 .2 In addition, when material is pur­
C65500 A 3.3
chased for agencies of the U.S. Government,
• The UNS system for copper and copper alloys (see
it shall conform to the Supplementary Re­
Recommended Practice E 527) is a simple expansion or the
quirements as defined herein when specified
former standard designation system accomplished by the
addition of a prefix "C" and a suffix "00." The suffix can in the contract or purchase order.
be used to accommodate composition variations of the base
alloy.
4. General Requirements
2. Applicable Documents
4.1 Material furnished under this specifica­
2.1 The following documents of the issue in tion shall conform to the applicable require­
ments of the current edition of Specification
effect on data of material purchase form a part
B 248.
of this specification to the extent referenced
herein:
5. Chemical Composition
2.1.1 ASTM Standards-.
5.1 The material shall conform to the chem­
B 248 Specification for General Require­
ical requirements of Table I.
ments for Wrought Copper and Copper­
5.2 These specification limits do not pre­
Alloy Plate, Sheet, Strip, and Rolled
clude the possible presence of other elements.
2
Bar
By agreement between manufacturer or sup­
B 601 Recommended Practice for Temper
plier and purchaser, analysis may be required
Designations for Copper and Copper Al­
and limits established for elements not speci­2
loys - Wrought and Cast
fied.
E 527 - J1086 Recommended Practice for
Numbering Metals and A lloys (UNSF 6. Mechanical Requirem~nts
3. Ordering Information
6.1 Tensile Strength-The tension test shall
be the standard test for all tempers of copper-
3.1 Orders for material under this specifi-
cation shall include the following information:
1
This specification is under the jurisdiction of ASTM
3.1.1 Alloy (Section 5),
Committee B-5 on Copper and Copper Alloys.
Current edition approved Feb. 27. 198 1. Published April
3.1.2 Temper (Section 6) ,
198 1. Originally 11ublished as B 97 - 34 T. Last previous
3.1.3 Dimensions: thickness, width, and
edition B 97 - 80.
weight (see 7.2, 7.3, and 7.6) , • Annual Book of ASTM Standards. Part 6.

---------------------- Page: 1 ----------------------
B 97
silicon alloy, and acceptance or rejection shall
7.4.2 Schedule of Lengths (Specific and
depend only on the tensile strength, which Stock) with Ends - See 5 .4, Table 8.
shall conform to the requirements prescribed 7.4.3 Length Tolerances for Sq11are­
in Table 2. Tension test specimens shall be Sheared Metal - See 5 .4, Table 9.
taken so that the longitudinal axis of such 7 .4 .4 Length Tolerances for Sawed Meta/­
specimens is parallel to the direction of roll­ See 5.4, Table 10.
ing. 7 .5 Straightness:
6.2 Rockwell Hardness-Since Rockwell 7 .5 .1 Slit Metal or Slit Metal Either
hardness tests offer a quick and convenient Straightened or Edge-Rolled - See 5 .5, Table
11.
method of checking copper-silicon alloy of
7 .5 .2 Square-Sheared Metal - See 5 .5, Ta­
any temper for general conformity to the re­
ble 12.
quirements for tensile strength and grain size
similarly for annealed tempers, the approxi­ 7.5.3 Sawed Metal - See 5.5, Table 13.
mate Rockwell hardness values for each tem­ 7 .6 Weight - Hot-rolled sheet and plate.
See 5.7, Table 14.
per and the approximate grain sizes for an­
nealed tempers are given in Table 2 for gen­ 7.7 Edges-See 5.6.
eral information and assistance in testing. 7.7.1 Square Edges - See 5.6.1, Table 15.
7.7.2Rounded Corners - See 5.6.2 , Table
16.
7. Dimensions, Weights, and Permissible
7.7.3 Rounded Edges-See 5.6.3, Table
Variations
17.
7 .1 The dimensions and tolerances for ma­ 7.7.4 Full-Rounded Edges - See 5.6.4 . Ta­
terial
...