ASTM B899-99a
(Terminology)Standard Terminology Relating to Non-ferrous Metals and Alloys
Standard Terminology Relating to Non-ferrous Metals and Alloys
SCOPE
1.1 To promote precise understanding and interpretation of standard, reports, and other technical writings promulgated by Committee B02.
1.2 To standardize the terminology used in these documents.
1.3 To explain the meanings of technical terms used within these documents for those not conversant with them.
General Information
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Standards Content (Sample)
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Designation: B 899 – 99a An American National Standard
Standard Terminology
Relating to Non-ferrous Metals and Alloys
This standard is issued under the fixed designation B 899; 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 expressed in parts per thousand.
flat sheet, n—sheet with sheared, silt, or sawed edges that has
1.1 To promote precise understanding and interpretation of
been flattened or leveled.
standard, reports, and other technical writings promulgated by
foundry casting, n—a casting process wherein a molten metal
Committee B–02.
is poured by gravity into the cavity of a mold and solidified;
1.2 To standardize the terminology used in these documents.
also, a product of such a process.
1.3 To explain the meanings of technical terms used within
galvanic anode, n—a metal electrode that sacrificially cor-
these documents for those not conversant with them.
rodes when coupled to a more noble metal in a conducting
2. Significance and Use
medium, thereby supplying a protective electric current to
the more noble electrode.
2.1 The terms defined in this document are generic in
graphite permanent mold casting, n—a metal object pro-
respect to the standards under the jurisdiction of Committee
duced by introducing molten metal by gravity or low
B–02 on Nonferrous Metals and Alloys. The same terms may
pressure into a graphite mold and allowing it to solidify.
have different definitions in other ASTM technical committees.
heat, n—refer to melt.
2.2 Some definitions may differ within the committee be-
ingot, n—a casting of simple shape suitable for hot-working or
cause of limitations on items such as weights or dimensions. In
remelting.
such cases the terms will be more precisely defined in the
liquidus, n—the lowest temperature at which an alloy under
Terminology section of the standards in which these terms are
equilibrium conditions begins to freeze on cooling or is
used.
completely melted on heating.
3. Terminology
lot, n—a quantity of metal made under conditions that, for
sampling purposes, are considered uniform.
3.1 Terms and Their Definitions
lot number, n—a unique alphanumeric designation for a lot
average diameter, n—the average of the maximum and
that is traceable to manufacturing records.
minimum outside the diameters, as determined at any one
melt, n—all the metal that, while molten, was held at the same
section of the pipe or tube.
time in the same holding vessel.
bar, n—an elongated, forged or rolled metal product with
nominal wall, n—specified wall thickness with a published
uniform strength, length and section (such as rectangular,
plus and minus tolerance from the specified thickness at any
square, round, oval or hexagonal).
point.
billet, n—a formed shape that may be further worked, or a
permanent mold casting, n—a metal object produced by
solid, semifinished, round, or rectangular product that has
introducing molten metal by gravity or low pressure into a
been hot-worked by forging, rolling, or extrusion.
mold constructed of durable material, usually iron or steel,
cathodic protection, n—protection of a metal from corrosion
and allowing it to solidify. See also graphite permanent mold
by making it a cathode through the galvanic sacrifice of a
casting.
less noble metal or through an impressed electric current.
pig, n—an oblong or square mass of metal that has been cast
coiled sheet, n—sheet in coils with slit edges.
while still molten into a mold that gives the metal its
die casting, n—a casting process wherein molten metal is
particular shape; most commonly used for lead and tin in
poured or injected under high pressure into the cavity of a
weights that can be handled manually.
metal mold and solidified; also, a product of such a process.
pipe, n—a tubular metal product, cast or wrought, of dimen-
fineness, n—a measure of the purity of precious metals
sions that conform to those referred to commercially as
standard pipe sizes.
plate, n—a
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