MIL-P-11087G(ME)
3.2 Material. Material shall be grade B (35,000 psi yield) steel as specified in
API SPEC 5L for the plain and grooved end pipes.
3.3 Design and performance. Physical requirements of the pipes and hydrostatic test pressure shall be in accordance with the following table. Maximum allowable operating pressure (MAOP) shall not exceed 0.72 times the hydrostatic test pressure.
TABLE I. Physical and Test requirements.
Nominal Pipe Size (Inches) |
Outside Diameter (Inches) |
Wall Thickness (Inches) |
Minimum Hydrostatic Test Pressure |
|
Grooved ends (Psig) |
Plain ends (Psig) |
|||
2 |
2.375 |
0.154 |
1500 |
2500 |
3 |
3.500 |
0.216 |
1600 |
2500 |
4 |
4.500 |
0.219 |
1250 |
2040 |
4.500 |
0.237 |
1500 |
2210 |
|
6 |
6.625 |
0.219 |
900 |
1390 |
6.625 |
0.280 |
1250 |
1780 |
|
8 |
8.625 |
0.250 |
800 |
1220 |
8.625 |
0.322 |
1200 |
1570 |
|
8.625 |
0.375 |
1400 |
1830 |
|
10 |
10.75 |
0.307 |
900 |
1200 |
12 |
12.75 |
0.250 |
500 |
820 |
12.75 |
0.281 |
600 |
930 |
|
12.75 |
0.312 |
750 |
1030 |
|
12.75 |
0.375 |
1000 |
1240 |
|
14 |
14.00 |
0.312 |
600 |
940 |
16 |
16.00 |
0.312 |
550 |
820 |
18 |
18.00 |
0.312 |
500 |
730 |
Tolerances in outside diameter, wall thickness, and weight per foot of pipe shall be as specified in API SPEC 5L.
3.3.1 Dimensions. Nominal pipe size and wall thickness shall be as specified (see 6.2)
and as shown in table I. Unless otherwise specified (see 6.2), pipes shall be furnished in
twenty-foot lengths.
3.3.2 Chemical properties. The chemical composition of the pipe shall be as specified in table 3.1 of API Specification 5L. Methods for chemical analysis shall be performed in accordance with ASTM A751.
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