ASTM D292-29 (1978) Method of Test for Cubic Foot Weight of Coke (Withdrawn 1985)

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AMERICAN NATIONAL ANSI/ASTM D 292 - 29 (Reapproved 1978)
STANDARD

Standard Test Method for

CUBIC FOOT WEIGHT OF COKE1

This Standard is issued under the fixed designation D 292; 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.

I. Scope 4. Sampling

1.l This method covers the determination 4.1 The gross sample collected shall be a
of the cubic foot weight of coke 5 in. (!25 representation of all size fractions in the coke
mm) and smaller, that is, coke which would in being sampled. The weight of the sample se-
any position pass through a 5-in (125-mm) lected for the determination of the cubic foot
square-mesh sieve. weight depends upon the size and character of
the coke and shall conform to the following:
NOTE I-The values stated in U.S. customary
units are to be regarded as the standard. For run-of-oven coke and coke not less than 300 lb
I in. up to 5 in. (25 to 125 (136 kg)
2. ApplicableDocuments mm) in size
not less than 50 lb
2.1 ASTM Standards: For coke smaller than I in. in
D 293 Sieve Analysis ofCoke 2 m~
D 346 Collection and Preparation of Coke ~re

Samples for Laboratory Analysis 2 4.2 It is extremely difficult to obtain truly
D 3173 Test for Moisture in the Analysis representative samples of coke having a range
of sizes. When the coke is on a belt conveyor
Sample of Coal and Coke 2 the sample shall be selected by stopping the
E 11 Specification for Wire-Cloth Sieves for belt at regular intervals and selecting incre-
ments in sections about 3 ft (910 mm) in length
Testing Purposes 2 and the entire width of the belt, or when the
coke is going over a pulley or coming down a
3. Apparatus chute the sample shall be selected by inserting
a container or scoop into the stream of coke
3.1 Measuring Box-A box 24 by 24 by 24 at regular intervals so as to take increments of
in. (610 by 610 by 610 mm) in inside dimen- the full width and thickness. The increments
sions shall be used. In order to keep it as light shall be regularly and systematically collected,
in weight as possible, the box may be made of so that the entire quantity of coke sampled
wood, but it must be rigid. Two strips of wood will be represented proportionately in the sam-
may be fastened to the sides of the box to form ple, and with such frequency that a sample of
"sedan-chair" handles for convenience in han- the required amount shall be collected. It is
dling. not feasible to collect representative samples
of coke from loaded cars or bins for cubic foot
NOTE 2-For determining the cubic foot weight weight determinations. Samples of coke in cars
of coke smaller than I in. (25.4 mm) in size, a
measuring box 12 by 12 by 12 in. (305 by 305 by 1 This method is under the jurisdiction of ASTM Com-
305 mm) in inside dimensions may be used. mittee D-5 on Coal and Coke.

3.2 Weighing Scale, platform type having a Current edition effective Sept. 3, 1929. Originally issued
sensitivity of 0.25 lb (0.11 kg) or better at rated 1928. Replaces D 292 - 28 T.
capacity and with graduations such that 0.5
lb (0.22 kg) can be read without interpolation 'Annual Book ofASTM Standards, Part 26.

D 292

or bins should be taken as the cars or bins are acter of coke it is not practical to strike off
being filled or emptied. the excess coke by means of a straight-edge,
so it is necessary to do this largely by eye
S. Procedure with the assistance of a straight-edge to check
observations. Do not shake, tap, or drop the
5.1 Place the measuring box on a siutable
platform scale, weigh empty, and then fill box during filling or leveling off. Weigh the
with coke from the sample while the box is on box filled with coke. The difference between
the scale in order to avoid handling the heavy the two weights divided by the number of
box of coke. Fill the box by means of a shovel cubic feet in the box will give the weight per
or other suitable container by allowing the
coke to slide out of the shovel or container cubic foot of coke.
from a height of 2 in. (50 mm) above the .top
of the box, with no attempt to spread or ar- NoTE 3-For proper interpretation of the cubic
range the coke. Because of the physical char- foot weight of coke, a moisture determination and a
sieve analysis of the coke should be reported along
with the cubic foot weight. For directions for
making these determinations see Section 2.

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