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C 150 – 00 Standard Specification for Portland Cement.This standard is issued under the fixed designation C 150; 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
Standard Chemical Requirements
|
Cement TypeA |
I and IA |
II and IIA |
III and IIIA |
IV |
V |
|
Silicon dioxide (SiO2), min, % |
... |
20.0B,C |
... |
... |
... |
|
Aluminum oxide (Al2O3), max, % |
... |
6.0 |
... |
... |
... |
|
Ferric oxide (Fe2O3), max, % |
... |
6.0B,C |
... |
6.5 |
... |
|
Magnesium oxide (MgO), max, % |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
|
Sulfur trioxide (SO3),D max, % |
... |
... |
... |
... |
... |
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When (C3A)E is 8 % or less |
3.0 |
3.0 |
3.5 |
2.3 |
2.3 |
|
When (C3A)E is more than 8 % |
3.5 |
F |
4.5 |
F |
F |
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Loss on ignition, max, % |
3.0 |
3.0 |
3.0 |
2.5 |
3.0 |
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Insoluble residue, max, % |
0.75 |
0.75 |
0.75 |
0.75 |
0.75 |
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Tricalcium silicate (C3S),E max, % |
... |
... |
... |
35B |
... |
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Dicalcium silicate (C2S),E min, % |
... |
... |
... |
40B |
... |
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Tricalcium aluminate (C3A)E max, % |
... |
8 |
15 |
7B |
5C |
|
Tetracalcium aluminoferrite plus twice the tricalcium aluminateE (C4AF + 2(C3A)), |
... |
... |
... |
... |
25C |
|
or solid solution (C4AF+C2F),
as applicable, max, % |
... |
... |
... |
... |
... |
Optional Chemical Requirements
|
Cement Type |
I and IA |
II and IIA |
III and IIIA |
IV |
V |
Remarks |
|
Tricalcium aluminate (C3A),B max, % |
... |
... |
8 |
... |
... |
for moderate sulfate resistance |
|
Tricalcium aluminate (C3A),B max, % |
... |
... |
5 |
... |
... |
for high sulfate resistance |
|
Sum of tricalcium silicate and tricalcium |
... |
58C |
... |
... |
... |
for moderate heat of hydration |
|
aluminate,B max, % |
... |
... |
... |
... |
... |
... |
|
Equivalent Alkalies (Na2O + 0.658K2O), max, % |
0.60D |
0.60D |
0.60D |
0.60D |
0.60D |
low-alkali cement |
Standard Physical Requirements
|
Cement TypeA |
I |
IA |
II |
IIA |
III |
IIIA |
IV |
V |
|
Air content of mortar,B volume %: |
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max |
12 |
22 |
12 |
22 |
12 |
22 |
12 |
12 |
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min |
... |
16 |
... |
16 |
... |
16 |
... |
... |
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Fineness,C specific surface, m2/kg (alternative methods): |
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Turbidimeter test, min |
160 |
160 |
160 |
160 |
... |
... |
160 |
160 |
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Air permeability test, min |
280 |
280 |
280 |
280 |
... |
... |
280 |
280 |
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Autoclave expansion, max, % |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
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Strength, not less than the values shown for the ages |
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indicated as follows:D |
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Compressive strength, MPa (psi): |
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1 day |
... |
... |
... |
... |
12.0 |
10.0 |
... |
... |
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|
|
|
(1740) |
(1450) |
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|
3 days |
12.0 |
10.0 |
10.0 |
8.0 |
24.0 |
19.0 |
... |
8.0 |
|
|
(1740) |
(1450) |
(1450) |
(1160) |
(3480) |
(2760) |
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(1160) |
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7.0E |
6.0E |
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(1020)E |
(870)E |
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7 days |
19.0 |
16.0 |
17.0 |
14.0 |
... |
... |
7.0 |
15.0 |
|
|
(2760) |
(2320) |
(2470) |
(2030) |
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|
(1020) |
(2180) |
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12.0E |
9.0E |
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(1740)E |
(1310)E |
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28 days |
... |
... |
... |
... |
... |
... |
17.0 |
21.0 |
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(2470) |
(3050) |
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Time of setting (alternative methods):F |
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Gillmore test: |
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Initial set, min, not less than |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
60 |
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Final set, min, not more than |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
600 |
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Vicat test:G |
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Time of setting, min, not less than |
45 |
45 |
45 |
45 |
45 |
45 |
45 |
45 |
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Time of setting, min, not more than |
375 |
375 |
375 |
375 |
375 |
375 |
375 |
375 |
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