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813/814, 8th Floor, Parekh Market, Opera House, Mumbai
813/814, 8th Floor, Parekh Market, Opera House, Mumbai
TRILOK STEEL INDUSTRIES is well known supplier and manufacturer of MIL-P-1144 Pipe. MIL-P-1144 specification covers seamless and welded austenitic steel pipe intended for elevated temperature and general corrosive service, including cryogenic application. Specific temperature limitations are given in MIL-STD-777.
MISC SPEC | GRADE OR PROCESS | DESCRIPTION |
MIL-P-1144 | 304, 304L, 316, 316L, 321, 347 | Pipe is intended for high-temperature and hydraulic br other pressure service under general corrosive conditions. |
MIL-P-1144 Specification | |
---|---|
MIL-P-1144 Nominal Pipe Size Designation | 2.000 inches |
MIL-P-1144 Pipe Wall Thickness | Schedule 10 |
MIL-P-1144 Pipe First End Style: | Plain |
MIL-P-1144 Pipe Material | 304, 304L, 316, 316L, 321, 347 |
MIL-P-1144 Pipe Construction | Seamless , Welded |
MIL-P-1144 Pipe Length | 192.000 inches minimum random and 264.000 inches maximum random |
MIL-P-1144 Pipe Heat Treatment | Annealed |
MIL-P-1144 Material Spec | 66 fed std single material response or aisi 304 assn std single material response or sae 30304 assn std single material response |
MIL-P-1144 Pipe Nondefinitive Spec/std Data | 1 type and 2 class |
Material | Specification Number | Temper |
U.S. Govt. | ||
304 Seamless & Welded | MIL-P-1144 | Annealed |
304L Seamless & Welded | MIL-P-1144 | Annealed |
316 Seamless & Welded | MIL-P-1144 | Annealed |
316L Seamless & Welded | MIL-P-1144 | Annealed |
321 Seamless & Welded | MIL-P-1144 | Annealed |
347 Seamless & Welded | MIL-P-1144 | Annealed |
TRILOK STEEL INDUSTRIES is PED approved MIL-P-1144 Pipe supplier, are the most versatile and widely used stainless steels in aircraft hydraulic fine Pipe. We are latrgest independent stockholder of MIL-P-1144 TP304 Seamless Pipe and MIL-P-1144 TP304 Welded Pipe with huge inventory in ready stock.A straight, one piece metallic MIL-P-1144 pipe in excess of 12 inches (304 mm) in length. MIL-P-1144 pipe may have external or internal threads or may be unthreaded for MIL-P-1144 pipe having external threads 12 inches (304 mm) or less in length see nipple, pipe. For Stainless Steel 304L Mil-p-1144 Pipe pipe having internal threads 12 inches (304 mm) or less in length see coupling, pipe.
MIL-P-1144 Pipes are finished in accordance with customer needs regarding dimensional and wall thickness specifications as well as heat treatment for more demanding applications. In general MIL-P-1144 TP304 stainless steel seamless Pipe and MIL-P-1144 TP304L stainless steel seamless Pipe manufactured according to current standards.
PIPE SIZE | OD IN INCHES | A.S.A. Pipe Schedules | |||||||||||||||
5s | 5 | 10s | 10 | 20 | 30 | 40s & Std. | 40 | 60 | 80s & E.H. | 80 | 100 | 120 | 140 | 160 | DBL E.H. | ||
1/8 | .405 | .035.1383 | .049.1863 | .049.1863 | .068.2447 | 068.2447 | 0.95.3145 | 0.95.3145 | |||||||||
1/4 | .540 | .049.2570 | .065.3297 | .065.3297 | .088.4248 | 088.4248 | .119.5351 | .119.5351 | |||||||||
3/8 | .675 | .049.3276 | .065.4235 | .065.4235 | .091.5676 | .091.5676 | .126.7338 | .126.7338 | |||||||||
1/2 | .840 | .065.5383 | .065.5383 | .083.6710 | .083.6710 | .109.8510 | .109.8510 | .1471.088 | .1471.088 | .1871.304 | .2941.714 | ||||||
3/4 | 1.050 | .065.6838 | .065.6838 | .083.8572 | .083.8572 | .1131.131 | .1131.131 | .1541.474 | .1541.474 | .2181.937 | .3082.441 | ||||||
1 | 1.315 | .065.8678 | .065.8678 | .1091.404 | .1091.404 | .1331.679 | .1331.679 | .1792.172 | .1792.172 | .2502.844 | .3583.659 | ||||||
1-1/4 | 1.660 | .0651.107 | .0651.107 | .1091.806 | .1091.806 | .1402.273 | .1402.273 | .1912.997 | .1912.997 | .2503.765 | .3825.214 | ||||||
1-1/2 | 1.900 | .0651.274 | .0651.274 | .1092.085 | .1092.085 | .1452.718 | .1452.718 | .2003.631 | .2003.631 | .2814.859 | .4006.408 | ||||||
2 | 2.375 | .0651.604 | .0651.604 | .1092.638 | .1092.638 | .1543.653 | .1543.653 | .2185.022 | .2185.022 | .3437.444 | .4369.029 | ||||||
2-1/2 | 2.875 | .0832.475 | .0832.475 | .1203.531 | .1203.531 | .2035.793 | .2035.793 | .2767.661 | .2767.661 | .37510.01 | .55213.70 | ||||||
3 | 3.500 | .0833.029 | .0833.029 | .1204.332 | .1204.332 | .2167.576 | .2167.576 | .30010.25 | .30010.25 | .43714.32 | .60018.58 | ||||||
3-1/2 | 4.000 | .0833.472 | .0833.472 | .1204.973 | .1204.973 | .2269.109 | .2269.109 | .31812.51 | .31812.51 | .63622.85 | |||||||
4 | 4.500 | .0833.915 | .0833.915 | .1205.613 | .1205.613 | .23710.79 | .23710.79 | .28112.66 | .33714.98 | .33714.98 | .43719.01 | .53122.51 | .67427.54 | ||||
4-1/2 | 5.000 | .24712.53 | .35517.61 | .71032.53 | |||||||||||||
5 | 5.563 | .1096.349 | .1096.349 | .1347.770 | .1347.770 | .25814.62 | .25814.62 | .37520.78 | .37520.78 | .50027.04 | .62532.96 | .75038.55 | |||||
6 | 6.625 | .1097.585 | .1097.585 | .1349.290 | .1349.290 | .28018.97 | .28018.97 | .43228.57 | .43228.57 | .56236.39 | .71845.30 | .86453.16 | |||||
7 | 7.625 | .30123.57 | .50038.05 | .87563.08 |
NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
---|---|---|---|---|---|
1/8″ | ![]() | ![]() | ![]() | ![]() | |
1/4″ | ![]() | ![]() | ![]() | ![]() | |
3/8″ | ![]() | ![]() | ![]() | ![]() | |
1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
3/4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
1″ | ![]() | ![]() | ![]() | ![]() | ![]() |
1 1/4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
1 1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
2 1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
3″ | ![]() | ![]() | ![]() | ![]() | ![]() |
4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
5″ | ![]() | ![]() | ![]() | ![]() | |
6″ | ![]() | ![]() | ![]() | ![]() |
Tube | NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
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MIL-P-1144 Stainless Steel Tube | 1/8″ | ![]() | ![]() | ![]() | ![]() | |
MIL-P-1144 Stainless Steel Tube | 1/4″ | ![]() | ![]() | ![]() | ![]() | |
MIL-P-1144 Stainless Steel Tube | 3/8″ | ![]() | ![]() | ![]() | ![]() | |
MIL-P-1144 Stainless Steel Tube | 1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 3/4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 1″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 1 1/4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 1 1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 2 1/2″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 3″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 4″ | ![]() | ![]() | ![]() | ![]() | ![]() |
MIL-P-1144 Stainless Steel Tube | 5″ | ![]() | ![]() | ![]() | ![]() | |
MIL-P-1144 Stainless Steel Tube | 6″ | ![]() | ![]() | ![]() | ![]() |
Tube | O.D. INCHES | 5S | 5 | 10S | 10 | 20 | 30 | 40S & STD. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | DBL. E.H. |
1/8 | .405 | .035 .1383 | .049 .1363 | .049 .1363 | .068 .2447 | .068 .2447 | .095 .3145 | .095 .3145 | |||||||||
1/4 | .540 | .049 .2570 | .065 .3297 | .065 .3297 | .088 .4248 | .088 .4248 | .119 .5351 | .119 .5351 | |||||||||
3/8 | .675 | .049 .3276 | .065 .4235 | .065 .4235 | .091 .5676 | .091 .5676 | .126 .7388 | .126 .7388 | |||||||||
1/2 | .840 | .065 .5383 | .065 .5380 | .083 .6710 | .083 .6710 | .109 .8510 | .109 .8510 | .147 1.088 | .147 1.088 | .187 1.304 | .294 1.714 | ||||||
3/4 | 1.050 | .065 .6838 | .065 .6838 | .083 .8572 | .083 .8572 | .113 1.131 | .113 1.131 | .154 1.474 | .154 1.474 | .218 1.937 | .308 2.441 | ||||||
1 | 1.315 | .065 .8678 | .065 .8678 | .109 1.404 | .109 1.404 | .133 1.679 | .133 1.679 | .179 2.172 | .179 2.172 | .250 2.844 | .358 3.659 | ||||||
1 1/4 | 1.660 | .065 1.107 | .065 1.107 | .109 1.806 | .109 1.806 | .140 2.273 | .140 2.273 | .191 2.997 | .191 2.997 | .250 3.765 | .382 5.214 | ||||||
1 1/2 | 1.900 | .065 1.274 | .065 1.274 | .109 2.085 | .109 2.085 | .145 2.718 | .145 2.718 | .200 3.631 | .200 3.631 | .281 4.859 | .400 6.408 | ||||||
2 | 2.375 | .065 1.604 | .065 1.604 | .109 2.638 | .109 2.638 | .154 3.653 | .154 3.653 | .218 5.022 | .218 5.022 | .344 7.462 | .436 9.029 | ||||||
2 1/2 | 2.875 | .083 2.475 | .083 2.475 | .120 3.531 | .120 3.531 | .203 5.793 | .203 5.793 | .276 7.661 | .276 7.661 | .375 10.01 | .552 13.70 | ||||||
3 | 3.500 | .083 3.029 | .083 3.029 | .120 4.332 | .120 4.332 | .216 7.576 | .216 7.576 | .300 10.25 | .300 10.25 | .438 14.32 | .600 18.58 | ||||||
3 1/2 | 4.000 | .083 3.472 | .083 3.472 | .120 4.973 | .120 4.973 | .226 9.109 | .226 9.109 | .318 12.51 | .318 12.51 | .636 22.85 | |||||||
4 | 4.500 | .083 3.915 | .083 3.915 | .120 5.613 | .120 5.613 | .237 10.79 | .237 10.79 | .337 14.98 | .337 14.98 | .438 19.00 | .531 22.51 | .674 27.54 | |||||
4 1/2 | 5.000 | .247 12.54 | .355 17.60 | ||||||||||||||
5 | 5.563 | .109 6.349 | .109 6.349 | .134 7.770 | .134 7.770 | .258 14.62 | .258 14.62 | .375 20.78 | .375 20.78 | .500 20.78 | .625 32.96 | .750 38.55 | |||||
6 | 6.625 | .109 7.585 | .109 7.585 | .134 9.289 | .134 9.289 | .280 18.97 | .280 18.97 | .432 28.57 | .432 28.57 | .562 36.39 | .719 43.35 | .864 53.16 | |||||
Tube | O.D. INCHES | 5S | 5 | 10S | 10 | 20 | 30 | 40S & STD. | 40 | 60 | 80S & E.H. | 80 | 100 | 120 | 140 | 160 | DBL. E.H. |
7 | 7.625 | .301 23.54 | .500 38.04 | .875 63.08 | |||||||||||||
8 | 8.625 | .109 9.914 | .109 9.914 | .148 13.40 | .148 13.40 | .250 22.36 | .277 24.70 | .322 28.55 | .322 28.55 | .406 35.64 | .500 43.39 | .500 43.39 | .594 50.95 | .719 60.71 | .812 67.76 | .906 74.69 | .875 72.42 |
9 | 9.625 | .342 33.91 | .500 48.73 | ||||||||||||||
10 | 10.75 | .134 15.19 | .134 15.19 | .165 18.70 | .165 18.70 | .250 28.04 | .307 34.24 | .365 40.48 | .365 40.48 | .500 54.74 | .500 54.74 | .594 64.43 | .719 77.03 | .844 82.29 | 1.000 104.1 | 1.125 115.6 | 1.000 104.1 |
11 | 11.75 | .375 45.56 | .500 60.08 | ||||||||||||||
12 | 12.75 | .156 21.07 | .165 22.18 | .180 24.16 | .180 24.16 | .250 33.38 | .330 43.77 | .375 49.56 | .406 53.52 | .562 73.15 | .500 65.42 | .688 88.63 | .844 107.3 | 1.000 125.5 | 1.125 136.7 | 1.312 160.3 | 1.000 125.5 |
14 | 14.00 | .156 23.07 | .188 27.73 | .250 36.71 | .312 45.61 | .375 54.57 | .375 54.57 | .438 63.44 | .594 85.05 | .500 72.09 | .750 106.1 | .938 130.9 | 1.094 150.8 | 1.250 170.2 | 1.406 189.1 | ||
16 | 16.00 | .165 27.90 | .188 31.75 | .250 42.05 | .312 52.27 | .375 62.58 | .375 62.58 | .500 82.77 | .656 107.5 | .500 82.77 | .844 136.6 | 1.031 164.8 | 1.219 192.4 | 1.438 223.6 | 1.594 245.3 | ||
18 | 18.00 | 165 31.43 | .188 35.76 | .250 47.39 | .312 58.94 | .438 82.15 | .375 70.59 | .562 104.7 | 750 138.2 | .500 93.45 | .938 170.9 | 1.156 208.0 | 1.375 244.1 | 1.562 274.2 | 1.781 308.5 | ||
20 | 20.00 | .188 39.78 | .218 46.05 | .250 52.73 | .375 78.60 | .500 104.1 | .375 78.60 | .594 123.1 | .812 166.4 | .500 104.1 | 1.031 208.9 | 1.281 256.1 | 1.500 296.4 | 1.750 341.1 | 1.969 379.2 | ||
24 | 24.00 | .218 55.37 | .250 63.41 | .250 63.41 | .375 94.42 | .562 140.7 | .375 94.42 | .688 171.3 | .969 238.4 | .500 125.5 | 1.219 296.8 | 1.531 367.4 | 1.812 429.4 | 2.062 483.1 | 2.344 542.1 | ||
26 | 26.00 | .312 85.60 | .500 136.17 | .375 102.63 | .500 136.17 | ||||||||||||
28 | 28.00 | .312 92.26 | .500 146.85 | .625 182.73 | .375 110.64 | ||||||||||||
30 | 30.00 | .250 79.43 | .312 98.93 | .312 98.93 | .500 157.53 | .625 196.08 | .375 118.65 | .500 157.53 | |||||||||
32 | 32.00 | .312 105.59 | .500 168.21 | .625 209.43 | .375 126.66 | .688 230.08 | .500 168.21 | ||||||||||
34 | 34.00 | .312 112.25 | .500 178.89 | .625 222.78 | .375 134.67 | .688 244.77 | |||||||||||
36 | 36.00 | .312 118.92 | .500 189.57 | .625 236.13 | .375 142.68 | .750 282.35 | .500 189.57 |
NPS Designator | Permissible Variations in Outside Diameter | |
---|---|---|
Over In. | Under In. | |
1/8 to 1-1/2, incl | 1/64 (0.015) | 1/32 (0.031) |
Over 1-1/2 to 4, incl | 1/32 (0.031) | 1/32 (0.031) |
Over 4 to 8, incl | 1/16 (0.062) | 1/32 (0.031) |
Over 8 to 18, incl | 3/23 (0.093) | 1/32 (0.031) |
NPS Designator | Outside Diameter in. | Schedule 5S in. | Schedule 10S in. | Schedule 40S in. | Schedule 80S in. |
---|---|---|---|---|---|
1/4 | 0.540 | 0.065 | 0.088 | 0.119 | |
3/8 | 0.675 | 0.065 | 0.091 | 0.126 | |
1/2 | 0.840 | 0.065 | 0.083 | 0.109 | 0.147 |
3/4 | 1.050 | 0.065 | 0.083 | 0.113 | 0.154 |
1.0 | 1.315 | 0.065 | 0.109 | 0.133 | 0.179 |
1 1/4 | 1.660 | 0.065 | 0.109 | 0.140 | 0.191 |
1 1/2 | 1.900 | 0.065 | 0.109 | 0.145 | 0.200 |
2 | 2.375 | 0.065 | 0.109 | 0.154 | 0.218 |
2 1/2 | 2.875 | 0.083 | 0.120 | 0.203 | 0.276 |
3 | 3.500 | 0.083 | 0.120 | 0.216 | 0.300 |
3 1/2 | 4.000 | 0.083 | 0.120 | 0.226 | 0.318 |
4 | 4.500 | 0.083 | 0.120 | 0.237 | 0.337 |
5 | 5.563 | 0.109 | 0.134 | 0.258 | 0.375 |
6 | 6.625 | 0.109 | 0.134 | 0.280 | 0.432 |
8 | 8.625 | 0.109 | 0.148 | 0.322 | 0.500 |
10 | 10.750 | 0.134 | 0.165 | 0.365 | 0.500 |
12 | 12.750 | 0.156 | 0.180 | 0.375 | 0.500 |
NPS | MIL-P-1144 Pipe Tolerance, % | |
+ | – | |
1/8-2 1 /2 | 20.0 | 12.5 |
3~18, t/D≤ 5% | 22.5 | 12.5 |
3~18, t/D> 5% | 15.0 | 12.5 |
≥ 20, welded | 17.5 | 12.5 |
≥ 20, seamless, t/D≤ 5% | 22.5 | 12.5 |
≥ 20, seamless, t/D> 5% | 15.0 | 12.5 |
PIPE GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
MIL-P-1144 TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ||||
MIL-P-1144 TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | ||||
MIL-P-1144 TP316 | S3160 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | |||
MIL-P-1144 TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | |||
MIL-P-1144 TP321 | S3210 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | 0.1 | |||
MIL-P-1144 TP347 | S3470 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-13.0 |
Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
º F(º C) | |||||
MIL-P-1144 TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
MIL-P-1144 TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
MIL-P-1144 TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
MIL-P-1144 TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
MIL-P-1144 TP304 Stainless Steel Pipe | MIL-P-1144 TP304 Stainless teel Pipe |
MIL-P-1144 stainless steel Pipe | MIL-P-1144 Seamless Pipe |
MIL-P-1144 TP304L Stainless Steel Pipe | MIL-P-1144 TP 316 Pipe |
MIL-P-1144 Seamless Stainless Steel Pipe | MIL-P-1144 TP 316L Pipe |
MIL-P-1144 TP304 Welded Stainless Steel Pipe | MIL-P-1144 Pipe |
304 MIL-P-1144 Stainless Steel Round Pipe | MIL-P-1144 Grade 304 Pipe |
MIL-P-1144 TP304 Pipe | MIL-P-1144 Grade 321 Pipe |
MIL-P-1144 Corrosion Resistant Pipe | MIL-P-1144 Stainless Steel Seamless Pipe |
MIL-P-1144 TP347 Stainless Steel Pipe | Welded stainless steel Pipe MIL-P-1144 |
MIL-P-1144 Corrision Resistant Stainless steel Pipe | MIL-P-1144 High Pressure Hydraulic Pipe |
MIL-P-1144 Pipe | MIL-P-1144 Steel Pipe |
MIL-P-1144 Seamless Pipes | MIL-P-1144 High Pressure Pipe |
Product Name: MIL-P-1144 Stainless Steel Pipe
Manufacturer Test Certificate
IBR Test Certificate (Form III-D)
Laboratory Test Certificate from Govt. Approved Lab.
Under Third Party Inspection with Excise Gate Pass to avail
Modvat benefit.
Internal and external protection
We perform sandblasting according to SA 2,5 and protect the Tube surfaces from rust using a primer such as clear varnish, epoxy or zinc phosphate, etc. Upon request, we provide Tube protection by means of polyethylene, polypropylene, fibre-cement casing, or with bitumen. All kinds of paint coatings and galvanisation are also available.
These MIL-P-1144 Stainless Steel Tube grades are sold to a wide range of industries/markets, due to their overall corrosion resistance and good machinability:
MIL-P-1144 Pipe shall be properly separated by size’(outside ~~~me~~~, and wall thickness. The ends of MIL-P-1144 Pipe shall be sealed exclude dirt and dust.
MIL-P-1144 Pipe Packaging for shipment. Material shal1 be packaged for shipment in accordance with the methods prescribed in MIL-STD-163.
MIL-P-1144 Marking of shipments. Interior packages and exterior shfpping containers shal1 be marked in accordance with MIL-STO-129. The identification shall include the following information listed in the order shown: Stock No. or other identification number as specified in the purchase document Pipe, Size (diameter), Wall thickness ,Heat No., Type,Class,Quantity contained,Name of manufacturer,Name of contractor (if different from manufacturer),Contract or Order No.
Pipe Specifications
ASTM Standards