ASTM C211 - 68 scan
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AMERICAN NATIONAL
STANDARD
Al06.1-191l9
AURICAN
NA.fiO.fiAL STANDAllDS lNSTJTU'I.E
NOTICE:
ThiS
material
may
be
protected.
by
copyright
law
{Title
17,
U.S.
Code)
Standard
Specifications for
STA...""''DARD
AND
EXTRA
STRENGTH
PERFORATED
CLAY
PIPE
1
ASTM DesigiJAtion: C
211
-68
This Standard of the American Society for Testing
and
Mater.als
is
issued under
the
.fixed
designation C 211; the number immediately. following
the
designa-
tion 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.
IT
ASTM
Specification C
100
is
the Specification recommended'!}
ti.!OT
we
by Committee
.C-4
in
Place
of
Specification C ZIJ.Jj
Scope
1.
These specifications co\l'er
standard
and
extra
strength
clay pipe intended
to
be
used for underdrainage, 'filter fields,
leaching
fields,
and·
similar subdrainage
installations (Note
1}.
Non
1.-Attentian
is called
to
the
Specifica-
tions for Standard Strength Clay Sewer Pipe
(As'I'M Designation: C 13),' for Extra Streugth
Clay Pipe (ASTM Designation: C 200),1 and the
Recommended Practice for Installing Vitrified
Clay
Sewer
Pipe (ASTM Designation: C
12).
2
Class
2.
Pipe
manufactured according
to
these specifications shall
be
known as:
Class
I.
Standard
Strength Perforated
Clay Pipe,
and
Class
II.
Extra Strength Perforated
Clay
Pipe.
Materials
and
Manufacture
3.
(a)
Clay
pipe shall be manufac-
tured from surface clay, fire clay, shale,
or a combination
of
these materials.
(b)
Surface
Clay
is
an
unconsolidated,
unstratified
clay,
8 occurring
on
the
surface.
(c)
Fire Clay is
sedimen~
clay'
of
low
:flux
content
(Note 2).
Nom
2.-F"ne
cla.y
is usually
a.ssocir.ted
with
coal
measures. ·
(d)
Sha.U
is
a.
thinly stratified, consoli-
dated, sedimentary clay'
with
well-
marked cleavage parallel
to
the
bedding.
(e)
These materials
or
any
combina-
tion thereof, when molded
into
pipe
and
subjected to suitable temperatures,
shaD
1
The
definitions for
the
terms
"BUrla.ce
1
Under
the
standardisation procedure
oi
the clay," "fire
clay,"
aud
"shale"
are
based on
the
Society,~
apeci&catioua
are
UDder
the juria- following definnion for
the
term
"clay":
diation of *be
ABT:M:
Committee C-4 on Clay Cfo!I.-An
earthy
or
stony
mineral
aggrepte
Pipe. consistinc essentially
o1
hydrous silicates of
Curren* edition accepted
.Tune
18, 19e8. Orig- alumina., plastic when suflieient.ly pulverized
inaJiy issued 1947. Replaces C
211
-61
T.
and wetied, rigid when
dry,
and
vitreoua when
l
.6.rmtUil
BoDle
uf
..4.8TM
8tGI'I.daTda,
Part
12. fired
at
a sufficiently
hiah
temperature.
145
146 SPECIFICATIONS FOR PERFORATED
CLAY
PIPE
(C
211)
yield a
product
that
will
be
strong, dura-
ble, serviceable, free of objectional
defects,
and
shall conform to these speci-
fications.
CRUSHING
STBENGTR,
ABSORPTION,
ACID
RESISTANCE
Crushing
Strength
and
Absorption
4.
(a)
The
crushing
strength
shall
confonn
to
the requirements prescribed
TABLE
I.-cRUBRING
STRENGTH RE-
QUIREMENTS
FOR
ST.AND.A.RD .AND
EXTRA
STRENGTH
PERFORATED
CLAY
PIPE.
Clusl
Claan
standards~
Perfor&tc4 Clay .
Estn.S~
Perforated
Clq
Pipe
NcalilW
Size,
ill.
MiDim1Jm
Smnath,
1b
per
linear foot
Three-
San4-
Tbreo-
Sud-
=
·--:'!f
BJ4!>-
E .
•
Kdh
w.'c:.f
)I=
.......
1000 1500
1.250
I
1875
6
.•..•.
1000 1500 1600 I 2400
8
.•....
1000
1500 1600
MOO
10
......
1100
1650
1600
MOO
12
......
1200 1800 1800
2700
Ui
...•..
1400 2100 2200 3300
18
......
1700
2550
2M!)
3960
21
......
2000 3000 3100
~50
2(
...•..
MOO
3609 3520
6280
in
Table
I
and
the
absorption
sha.ll
not
exceed 8
per
cent,
except
as
provided in
Paragraphs
(b)
and
(c;),
when determined
in
a.ccorda.nce
with the Methods of
Testing
Clay
Pipe
(ASTM
Designation:
c
301).2
(b)
Pipe
will
be
acceptable
under
the
strength
a.nd.
absorption tests when all
test specimens
meet
the strength
a.nd
absorption . requirements. Should .
any
of
the preliminary
test
specimens fail to
meet the.
test
requirements, the manu-
facturer
will
be
allowed
a retest on
two
additional specimens for each specimen
that
failed, and the
pipe
will
be
accept-
able
only
when
these
retest
specimens
meet
the
strength
and
absorption re-
quirements.
(c)
However, in case
of
failure
of
pipe
to
conform
to
the
strength
requirements
under·
the
specified method,
and
the
ac-
curacy
of the testing machine is
ques-
tioned, a
retest
at
the
request of
the
manufacturer shall
be
made
upon
a
machine whose accuracy
is
known,
or
the
machine
originally
used
shall be
recalibra.ted before
the
retest
is made.
Acid
Resistance
5. (a)
The
purpose of this test is to
determine
the
resistance of pipe
to
the
action of acids.
Tests
for
acid
resistance
shall
be
made
when specified.
The
pipe
shall
be
tested in accordance
with
Sec-
tions 14
to
18
of
Methods
C 301.
(b)
When
the
test for acid resistance
is
· specified,
the
pipe
of
ea.ch size and
shipment
shall
be
acceptable only
when
the
percentage of acid-soluble
matter
for.
specimens representing such pipe
does
not
exceed 0.25 per
cent.
Failure
of
any
of
the
specimens
to
meet
the
test
for
acid resistance, when specified,
shall
re-
sult
in
rejection
of
all of
the
pipe
repre-
sented
by
the
specimens tested.
Srzxs
AND
Dn.mNSIONS,
Wo:alO&ANsHIP
AND
FINISH
Sizes
and
Dimensioas
6.
Pipe shall
be
furnished
of
the
sizes
and
of
the
dimensions, including
p~
sible variations, prescribed
in
Tables
ll
and
m.
When
more
than
one
length
is
permitted,
the
purchaser shall indica.te,
at
the
time of purchase, which
lengths
shall
be
furnished; unless so
indicated,
the
manufacturer
shall furnish such
lengths
as
he
may
elect.
Perforations
7.
Perforations
shall
be
circular
and
cleaniy
cut,
t in.
in
diameter, ananged
in
rows
parallel
to
the
a.xis
of
the
pipe.
Perforations 'Shall
be
approximately 3 in.
46-74
_1
'
"I;.
~-
.
SPECMCATIONS FOR PEn'o.R.ATED
CLAY
PIPE
( C
211)
147
center
to
center,
along
the
rows.
The
spigot end shall
be
unperforated
for a
length equal
to
the
depth
of
the
socket.
Rows
shall
be
arranged
in
two
equal
groups
on
either
side of
the
vertical
cen·
ter
line
of
the
pipe,
and
the
total
number
Straightness
8.
Pipe
intended
to
be straight shall
have a maximum
ordinate
as measured.
from
the
concave side
of
the
pipe
not
to
e.."tceed
fi
in.
per
foot of
length.
TABLE
n.-DIMENSIONS
OF
CLASS I STANDARD
STRENGTH
PERFORATED
CLAY
PIPE
.
.t.ariDI
Lenath
Wuimum Outside
Diameter
Rows
Perfontioas
per
· ·
Nominal Limit
of
Difference in · of Bs.rrd, in.
of
R-
as Shown
I.e~
of
sue.
ln. Kin,
v~•
Two
posite Perl
or·
tt-- -
SideS,
in. atloDS
in.
per
ft
Mill
Maz
2ft
I
3ft
Ut
5ft
o(
leqtb
,
__
I
-_
,_
--
--
'·
....
2
4~
6~
4 1 9 11
13
6
.•...
2 s
~6
7~a
~8
4 7 9 11 13 -
8
.....
2
H:
~~~
4 7 9
11
13'
10
.....
2
~
12
6 7 9
11
18.
12
....
2
13"
6 7 9
11
13
.
l
~e
14~
15
.....
3
>\
~~a
171 8 6 .
..
10 14
-17
18
.....
3
;(
I
21Y1a
8 ...
10
14 17
21.
..•.
3 ~ 'le 24¢i 25 8 . .. 10
..14
17 -
24,
•••••
3
~
'fa
21~
283-2
8 . ..
10
14 17
IDside Diam- Thickne11
of
eter of
Socket
Depth
of Thictness of Socket
at
}i
in.
from
~in.
Abon
Socket,
• in.
Bauel,
in.
Nominal Size, in.
Bue,
in.
Outer
EDd, in.
-Mill
lcfiD
Nominal
MiD
NomlnrJ
MiD.
NomiDal
4
.•.
•••
••··••·
..
&~
1~
~~
lfa
~
~a
~8
6
.••.•.•••......
1~8
2
2}(
'ls
-~
8
.•..•......•..•
2.!-a
2~
~u6
~
~
'ia
10
...............
12"
2~
~
1~:
~
~
~.
12
.•.............
1511
2}~
1
~
15
..........•••.•
18~
2;li
2"A
1~
-
~~
~~
1M,
18
.......••......
22~
2"'
3
1~
IH"s
1H
:n
...............
26)8
3
334
1.%
1"
1~6
l~G
24
.••.•.••••••.•.
~
3~
3"
1.n
2
1~
1~
I
•
There
sludJ
be
no
muimum
length.
Shorter
leng$hs
may
be
used
fox
cloaures
and
specials.
•
Then!
ill
no
limit for plus
variation.
. ,
0 Plain-end
pipe
shall conform
to
the
dimensions
in
Table
II,
except
those
dimenllions
pertain-
in&
to
SO<ikets.
of
rows shall
be
as shown in
Tables
II
and
TIL
The
lowermost rows of perfora·
lions in each
group
shall
be
separated
by
an
arc
of 90 deg,
and
the
uppermost
rows
oi
perforations
in each
group
shall
be
separated
by
an
arc
of
200 deg. Spacing
o'f
rows betwP.en
these
limits shall-
be
uniform.
Glaze
9. Unless otherwise specified,
pipe
may
be
glazed
or
unglazed.
If
glazed,
the
glaze shall consist
of
a continuous la.yer
substantially
free of large blisters
or
large
pimples.
Not
more than 10
per
cent
of
the
inner
surface
of
any
pipe
barrel
shall
be
bare
of glaze except
the
~et,
when!
(6-74
摘要：
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ASTM C211 - 68 scan 是一个关于耐火材料抗热震性能测试的标准文档扫描版。该标准最初由美国材料与试验协会（ASTM）于1968年发布，专门用于评估耐火砖或耐火制品在经受快速温度变化时的结构完整性。文档详细规定了试验设备、试样制备、加热与冷却循环程序以及结果评定方法，是冶金、陶瓷和高温工业领域中质量控制与材料选型的重要参考依据。此扫描版保持了原标准的完整文字与图表内容，适用于需要查阅历史版本标准的工程师、质检人员及研究人员进行技术比对或合规审查。
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