ASTM B846-06
(Terminology)Standard Terminology for Copper and Copper Alloys
Standard Terminology for Copper and Copper Alloys
SCOPE
1.1 The terms defined in this terminology standard are applicable to copper and copper alloy products specifications, test methods, practices, and other documents within the jurisdiction of Committee B05 on Copper and Copper Alloys.
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Designation:B846–06
Standard Terminology for
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Copper and Copper Alloys
This standard is issued under the fixed designation B 846; 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 alpha—the name of a phase or of a certain range of copper
alloys which contain one or more alloying elements dis-
1.1 The terms defined in this terminology standard are
solved in copper, the phase being a homogeneous solid
applicable to copper and copper alloy products specifications,
solution.
test methods, practices, and other documents within the juris-
alpha beta brass—a series of copper-zinc alloys containing
diction of Committee B05 on Copper and Copper Alloys.
approximately 55 to 63 % copper and the remainder mostly,
2. Referenced Documents
if not all, zinc and composed of crystals or grains of both the
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alpha and the beta phases.
2.1 ASTM Standards:
anneal (annealing)—a thermal treatment to change the prop-
B 153 Test Method for Expansion (Pin Test) of Copper and
erties or grain structure of the product. When applied to a
Copper-Alloy Pipe and Tubing
cold-worked product having a single phase: to produce
B 170 Specification for Oxygen-Free Electrolytic Copper—
softening by recrystallization or recrystallization and grain
Refinery Shapes
growth, with the accompanying changes in properties.When
B 379 Specification for Phosphorized Coppers—Refinery
applied to a product having two or more phases: to produce
Shapes
softening by changes in the phase relationship that may
E8 Test Methods for Tension Testing of Metallic Materials
include recrystallization and grain growth.
E10 Test Method for Brinell Hardness of Metallic Materi-
annular ring—see circular ring.
als
arbor—a cylindrical core around which metal is wound to
E18 Test Methods for Rockwell Hardness and Rockwell
obtain a desired inside diameter of the wound coil or roll.
Superficial Hardness of Metallic Materials
arc welding—a group of welding processes wherein coales-
E23 Test Methods for Notched Bar Impact Testing of
cence is produced by heating with an arc or arcs, with or
Metallic Materials
without the application of pressure, and with or without the
E112 Test Methods for Determining Average Grain Size
use of filler metal.
3. Significance and Use
area reduction—the decrease in cross-section of a product by
rolling or drawing, which is a measure of the temper of the
3.1 This terminology is not intended to apply to any
metal in the cold worked condition.
standard, test method, practice, or other document not within
as-welded condition—a condition created as a result of
the jurisdiction of Committee B05 on Copper and Copper
forming annealed sheet or plate into tubular form and
Alloys.
welding without subsequent heat treatment or cold work.
4. Terminology
average diameter (for round tubes only)—the average of the
maximum and minimum outside diameters or the maximum
acid dip—see dip solution.
and minimum inside diameters, whichever is applicable, as
acid dipped-dry rolled finish—see finish, acid dipped-dry
determined at any one cross section of the tube.
rolled.
bar—asolidrectangularsection,oronewithtwoplaneparallel
air stain—see stain, air.
surfaces and round or other simple regularly shaped edges,
up to and including 12 in. (300 mm) in width and over 0.188
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in. (5 mm) in thickness, furnished in straight lengths or in
This terminology is under the jurisdiction ofASTM Committee B05 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.93 on
rolls and with finished edges, either rolled, drawn, or
Terminology.
extruded.
Current edition approved May 15, 2006. Published June 2006. Originally
bar, bus stock—high-conductivity copper bar stock of any
approved in 1993. Last previous edition approved in 2005 as B 846 – 05.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or dimension intended for use as an electrical conductor.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
bar, cast—a flat casting for rolling into sheet and strip, or
Standards volume information, refer to the standard’s Document Summary page on
round casting for rolling and drawing into wire.
the ASTM website.
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B846–06
bar, cold-rolled—see cold-rolled bar. busbar—includesmaterialofsolidrectangularorsquarecross
bar, commutator segment stock—a bar for use in making sectionorasolidsectionwithtwoplaneparallelsurfacesand
commutators of electric motors and generators,
...
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