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1. Steel pipe

Steel Pipe ASTM A106-02a

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Description

ASTM A106-02a steel pipe is a seamless carbon steel pipe used primarily in high temperature and high pressure applications. This standard includes three grades: A, B, and C, with grade B being the most common. This steel pipe is commonly used in oil and gas transmission systems, power plants, refineries, and other heavy industrial applications.

Applications

  • Oil and gas pipeline system
  • Thermoelectric system
  • Oil factory
  • Industrial water supply and drainage system
  • Other heavy industrial applications

Standards

ASTM A106-02a specifies specifications for seamless steel pipe for use in high-pressure and high-temperature applications.

Standard version:

  • ASTM A106/A106M : Standard Specification for Seamless Carbon Steel Pipe for High-Temperature and High-Pressure Service.
  • ASME B36.10M : Standard for seamless and welded carbon and alloy steel pipe.

The table below shows the corresponding thicknesses and weights for different commonly used SCH grades

NPS
Designator
DN
Designator
Outside Diameter
, in. [mm]
Nominal
Wall Thickness
, in. [mm]
Nominal Weight [Mass] per Unit Length, Plain
End, lb/ft [kg/m]
Weight Class Schedule No. Test Pressure,A psi [kPa]
Grade A Grade B
1⁄8 6 0.405 [10.3] 0.068 [1.73] 0.24 [0.37] STD 40 700 [4800] 700 [4800]
0.095 [2.41] 0.31 [0.47] XS 80 850 [5900] 850 [5900]
8 0.540 [13.7] 0.088 [2.24] 0.43 [0.63] STD 40 700 [4800] 700 [4800]
1⁄4
0.119 [3.02] 0.54 [0.80] XS 80 850 [5900] 850 [5900]
10 0.675 [17.1] 0.091 [2.31] 0.57 [0.84] STD 40 700 [4800] 700 [4800]
3⁄8
0.126 [3.20] 0.74 [1.10] XS 80 850 [5900] 850 [5900]
15 0.840 [21.3] 0.109 [2.77] 0.85 [1.27] STD 40 700 [4800] 700 [4800]
1⁄2
0.147 [3.73] 1.09 [1.62] XS 80 850 [5900] 850 [5900]
0.188 [4.78] 1.31 [1.95] 160 900 [6200] 900 [6200]
0.294 [7.47] 1.72 [2.55] XXS 1000 [6900] 1000 [6900]
20 1.050 [26.7] 0.113 [2.87] 1.13 [1.69] STD 40 700 [4800] 700 [4800]
3⁄4
0.154 [3.91] 1.48 [2.20] XS 80 850 [5900] 850 [5900]
0.219 [5.56] 1.95 [2.90] 160 950 [6500] 950 [6500]
0.308 [7.82] 2.44 [3.64] XXS 1000 [6900] 1000 [6900]
1 25 1.315 [33.4] 0.133 [3.38] 1.68 [2.50] STD 40 700 [4800] 700 [4800]
0.179 [4.55] 2.17 [3.24] XS 80 850 [5900] 850 [5900]
0.250 [6.35] 2.85 [4.24] 160 950 [6500] 950 [6500]
0.358 [9.09] 3.66 [5.45] XXS 1000 [6900] 1000 [6900]
32 1.660 [42.2] 0.140 [3.56] 2.27 [3.39] STD 40 1200 [8300] 1300 [9000]
1 1⁄4
0.191 [4.85] 3.00 [4.47] XS 80 1800 [12 400] 1900 [13 100]
0.250 [6.35] 3.77 [5.61] 160 1900 [13 100] 2000 [13 800]
0.382 [9.70] 5.22 [7.77] XXS 2200 [15 200] 2300 [15 900]
40 1.900 [48.3] 0.145 [3.68] 2.72 [4.05] STD 40 1200 [8300] 1300 [9000]
1 1⁄2
0.200 [5.08] 3.63 [5.41] XS 80 1800 [12 400] 1900 [13 100]
0.281 [7.14] 4.86 [7.25] 160 1950 [13 400] 2050 [14 100]
0.400 [10.16] 6.41 [9.56] XXS 2200 [15 200] 2300 [15 900]
2 50 2.375 [60.3] 0.154 [3.91] 3.66 [5.44] STD 40 2300 [15 900] 2500 [17 200]
0.218 [5.54] 5.03 [7.48] XS 80 2500 [17 200] 2500 [17 200]
0.344 [8.74] 7.47 [11.11] 160 2500 [17 200] 2500 [17 200]
0.436 [11.07] 9.04 [13.44] XXS 2500 [17 200] 2500 [17 200]
65 2.875 [73.0] 0.203 [5.16] 5.80 [8.63] STD 40 2500 [17 200] 2500 [17 200]
2 1⁄2
0.276 [7.01] 7.67 [11.41] XS 80 2500 [17 200] 2500 [17 200]
0.375 [9.52] 10.02 [14.90] 160 2500 [17 200] 2500 [17 200]
0.552 [14.02] 13.71 [20.39] XXS 2500 [17 200] 2500 [17 200]
3 80 3.500 [88.9] 0.125 [3.18] 4.51 [6.72] 1290 [8900] 1500 [1000]
0.156 [3.96] 5.58 [8.29] 1600 [11 000] 1870 [12 900]
0.188 [4.78] 6.66 [9.92] 1930 [13 330] 2260 [15 600]
0.216 [5.49] 7.58 [11.29] STD 40 2220 [15 300] 2500 [17 200]
0.250 [6.35] 8.69 [12.93] 2500 [17 200] 2500 [17 200]
0.281 [7.14] 9.67 [14.40] 2500 [17 200] 2500 [17 200]
0.300 [7.62] 10.26 [15.27] XS 80 2500 [17 200] 2500 [17 200]
0.438 [11.13] 14.34 [21.35] 160 2500 [17 200] 2500 [17 200]
0.600 [15.24] 18.60 [27.68] XXS 2500 [17 200] 2500 [17 200]
90 4.000 [101.6] 0.125 [3.18] 5.18 [7.72] 1120 [7700] 1310 [19 000]
3 1⁄2
0.156 [3.96] 6.41 [9.53] 1400 [6700] 1640 [11 300]
0.188 [4.78] 7.66 [11.41] 1690 [11 700] 1970 [13 600]
0.226 [5.74] 9.12 [13.57] STD 40 2030 [14 000] 2370 [16 300]
0.250 [6.35] 10.02 [14.92] 2250 [15 500] 2500 [17 200]
0.281 [7.14] 11.17 [16.63] 2500 [17 200] 2500 [17 200]
0.318 [8.08] 12.52 [18.63] XS 80 2800 [19 300] 2800 [19 300]
4 100 4.500 [114.3] 0.125 [3.18] 5.85 [8.71] 1000 [6900] 1170 [8100]
0.156 [3.96] 7.24 [10.78] 1250 [8600] 1460 [10 100]
0.188 [4.78] 8.67 [12.91] 1500 [10 300] 1750 [12 100]
0.219 [5.56] 10.02 [14.91] 1750 [12 100] 2040 [14 100]
0.237 [6.02] 10.80 [16.07] STD 40 1900 [13 100] 2210 [15 200]
0.250 [6.35] 11.36 [16.90] 2000 [13 800] 2330 [16 100]
0.281 [7.14] 12.67 [18.87] 2250 [15 100] 2620 [18 100]
0.312 [7.92] 13.97 [20.78] 2500 [17 200] 2800 [19 300]
0.337 [8.56] 15.00 [22.32] XS 80 2700 [18 600] 2800 [19 300]
0.438 [11.13] 19.02 [28.32] 120 2800 [19 300] 2800 [19 300]
0.531 [13.49] 22.53 [33.54] 160 2800 [19 300] 2800 [19 300]
0.674 [17.12] 27.57 [41.03] XXS 2800 [19 300] 2800 [19 300]
5 125 5.563 [141.3] 0.156 [3.96] 9.02 [13.41] 1010 [7000] 1180 [8100]
0.188 [4.78] 10.80 [16.09] 1220 [8400] 1420 [9800]
0.219 [5.56] 12.51 [18.61] 1420 [9800] 1650 [11 400]
0.258 [6.55] 14.63 [21.77] STD 40 1670 [11 500] 1950 [13 400]
0.281 [7.14] 15.87 [23.62] 1820 [12 500] 2120 [14 600]
0.312 [7.92] 17.51 [26.05] 2020 [13 900] 2360 [16 300]
0.344 [8.74] 19.19 [28.57] 2230 [15 400] 2600 [17 900]
0.375 [9.52] 20.80 [30.94] XS 80 2430 [16 800] 2800 [19 300]
0.500 [12.70] 27.06 [40.28] 120 2800 [19 300] 2800 [19 300]
0.625 [15.88] 32.99 [49.11] 160 2800 [19 300] 2800 [19 300]
0.750 [19.05] 38.59 [57.43] XXS 2800 [19 300] 2800 [19 300]
6 150 6.625 [168.3] 0.188 [4.78] 12.94 [19.27] 1020 [7000] 1190 [8200]
0.219 [5.56] 15.00 [22.31] 1190 [8200] 1390 [9600]
0.250 [6.35] 17.04 [25.36] 1360 [9400] 1580 [10 900]
0.280 [7.11] 18.99 [28.26] STD 40 1520 [10 500] 1780 [12 300]
0.312 [7.92] 21.06 [31.32] 1700 [11 700] 1980 [13 700]
0.344 [8.74] 23.10 [34.39] 1870 [12 900] 2180 [15 000]
0.375 [9.52] 25.05 [37.28] 2040 [14 100] 2380 [16 400]
0.432 [10.97] 28.60 [42.56] XS 80 2350 [16 200] 2740 [18 900]
0.562 [14.27] 36.43 [54.20] 120 2800 [19 300] 2800 [19 300]
0.719 [18.26] 45.39 [67.56] 160 2800 [19 300] 2800 [19 300]
0.864 [21.95] 53.21 [79.22] XXS 2800 [19 300] 2800 [19 300]
8 200 8.625 [219.1] 0.188 [4.78] 16.96 [25.26] 780 [5400] 920 [6300]
0.203 [5.16] 18.28 [27.22] 850 [5900] 1000 [6900]
0.219 [5.56] 19.68 [29.28] 910 [6300] 1070 [7400]
0.250 [6.35] 22.38 [33.31] 20 1040 [7200] 1220 [8400]
0.277 [7.04] 24.72 [36.31] 30 1160 [7800] 1350 [9300]
0.312 [7.92] 27.73 [41.24] 1300 [9000] 1520 [10 500]
0.322 [8.18] 28.58 [42.55] STD 40 1340 [9200] 1570 [10 800]
0.344 [8.74] 30.45 [45.34] 1440 [9900] 1680 [11 600]
0.375 [9.52] 33.07 [49.20] 1570 [10 800] 1830 [12 600]
0.406 [10.31] 35.67 [53.08] 60 1700 [11 700] 2000 [13 800]
0.438 [11.13] 38.33 [57.08] 1830 [12 600] 2130 [14 700]
0.500 [12.70] 43.43 [64.64] XS 80 2090 [14 400] 2430 [16 800]
0.594 [15.09] 51.00 [75.92] 100 2500 [17 200] 2800 [19 300]
0.719 [18.26] 60.77 [90.44] 120 2800 [19 300] 2800 [19 300]
0.812 [20.62] 67.82 [100.92] 140 2800 [19 300] 2800 [19 300]
0.875 [22.22] 72.49 [107.88] XXS 2800 [19 300] 2800 [19 300]
0.906 [23.01] 74.76 [111.27] 160 2800 [19 300] 2800 [19 300]
10 250 10.750 [273.0] 0.188 [4.78] 21.23 [31.62] 630 [4300] 730 [5000]
0.203 [5.16] 22.89 [34.08] 680 [4700] 800 [5500]
0.219 [5.56] 24.65 [36.67] 730 [5000] 860 [5900]
0.250 [6.35] 28.06 [41.75] 20 840 [5800] 980 [6800]
0.279 [7.09] 31.23 [46.49] 930 [6400] 1090 [7500]
0.307 [7.80] 34.27 [51.01] 30 1030 [7100] 1200 [8300]
0.344 [8.74] 38.27 [56.96] 1150 [7900] 1340 [9200]
0.365 [9.27] 40.52 [60.29] STD 40 1220 [8400] 1430 [9900]
0.438 [11.13] 48.28 [71.87] 1470 [10 100] 1710 [11 800]
0.500 [12.70] 54.79 [81.52] XS 60 1670 [11 500] 1950 [13 400]
0.594 [15.09] 64.49 [95.97] 80 1990 [13 700] 2320 [16 000]
0.719 [18.26] 77.10 [114.70] 100 2410 [16 600] 2800 [19 300]
0.844 [21.44] 89.38 [133.00] 120 2800 [19 300] 2800 [19 300]
1.000 [25.40] 104.23 [155.09] XXS 140 2800 [19 300] 2800 [19 300]
1.125 [28.57] 115.75 [172.21] 160 2800 [19 300] 2800 [19 300]
12 300 12.750 [323.8] 0.203 [5.16] 27.23 [40.55] 570 [3900] 670 [4600]
0.219 [5.56] 29.34 [43.63] 620 [4300] 720 [5000]
0.250 [6.35] 33.41 [49.71] 20 710 [4900] 820 [5700]
0.281 [7.14] 37.46 [55.75] 790 [5400] 930 [6400]
0.312 [7.92] 41.48 [61.69] 880 [6100] 1030 [7100]
0.330 [8.38] 43.81 [65.18] 30 930 [6400] 1090 [7500]
0.344 [8.74] 45.62 [67.90] 970 [6700] 1130 [7800]
0.375 [9.52] 49.61 [73.78] STD 1060 [7300] 1240 [8500]
0.406 [10.31] 53.57 [79.70] 40 1150 [7900] 1340 [9200]
0.438 [11.13] 57.65 [85.82] 1240 [8500] 1440 [9900]
0.500 [12.70] 65.48 [97.43] XS 1410 [9700] 1650 [11 400]
0.562 [14.27] 73.22 [108.92] 60 1590 [11 000] 1850 [12 800]
0.688 [17.48] 88.71 [132.04] 80 1940 [13 400] 2270 [15 700]
0.844 [21.44] 107.42 [159.86] 100 2390 [16 500] 2780 [19 200]
1.000 [25.40] 125.61 [186.91] XXS 120 2800 [19 300] 2800 [19 300]
1.125 [28.57] 139.81 [208.00] 140 2800 [19 300] 2800 [19 300]
1.312 [33.32] 160.42 [238.68] 160 2800 [19 300] 2800 [19 300]
14 350 14.000 [355.6] 0.210 [5.33] 30.96 [46.04] 540 [3700] 630 [4300]
0.219 [5.56] 32.26 [47.99] 560 [3900] 660 [4500]
0.250 [6.35] 36.75 [54.69] 10 640 [4400] 750 [5200]
0.281 [7.14] 41.21 [61.35] 720 [5000] 840 [5800]
0.312 [7.92] 45.65 [67.90] 20 800 [5500] 940 [6500]
0.344 [8.74] 50.22 [74.76] 880 [6100] 1030 [7100]
0.375 [9.52] 54.62 [81.25] STD 30 960 [6600] 1120 [7700]
0.438 [11.13] 63.50 [94.55] 40 1130 [7800] 1310 [9000]
0.469 [11.91] 67.84 [100.94] 1210 [8300] 1410 [9700]
0.500 [12.70] 72.16 [107.39] XS 1290 [8900] 1500 [10 300]
0.594 [15.09] 85.13 [126.71] 60 1530 [10 500] 1790 [12 300]
0.750 [19.05] 106.23 [158.10] 80 1930 [13 300] 2250 [15 500]
0.938 [23.83] 130.98 [194.96] 100 2410 [16 600] 2800 [19 300]
1.094 [27.79] 150.93 [224.65] 120 2800 [19 300] 2800 [19 300]
1.250 [31.75] 170.37 [253.56] 140 2800 [19 300] 2800 [19 300]
1.406 [35.71] 189.29 [281.70] 160 2800 [19 300] 2800 [19 300]
2.000 [50.80] 256.56 [381.83] 2800 [19 300] 2800 [19 300]
2.125 [53.97] 269.76 [401.44] 2800 [19 300] 2800 [19 300]
2.200 [55.88] 277.51 [413.01] 2800 [19 300] 2800 [19 300]
2.500 [63.50] 307.34 [457.40] 2800 [19 300] 2800 [19 300]
16 400 16.000 [406.4] 0.219 [5.56] 36.95 [54.96] 490 [3400] 570 [3900]
0.250 [6.35] 42.09 [62.64] 10 560 [3900] 660 [4500]
0.281 [7.14] 47.22 [70.30] 630 [4300] 740 [5100]
0.312 [7.92] 52.32 [77.83] 20 700 [4800] 820 [5700]
0.344 [8.74] 57.57 [85.71] 770 [5300] 900 [6200]
0.375 [9.52] 62.64 [93.17] STD 30 840 [5800] 980 [6800]
0.438 [11.13] 72.86 [108.49] 990 [6800] 1150 [7900]
0.469 [11.91] 77.87 [115.86] 1060 [7300] 1230 [8500]
0.500 [12.70] 82.85 [123.30] XS 40 1120 [7700] 1310 [9000]
0.656 [16.66] 107.60 [160.12] 60 1480 [10 200] 1720 [11 900]
0.844 [21.44] 136.74 [203.53] 80 1900 [13 100] 2220 [15 300]
1.031 [26.19] 164.98 [245.56] 100 2320 [16 000] 2710 [18 700]
1.219 [30.96] 192.61 [286.64] 120 2740 [18 900] 2800 [19 300]
1.438 [36.53] 223.85 [333.19] 140 2800 [19 300] 2800 [19 300]
1.594 [40.49] 245.48 [365.35] 160 2800 [19 300] 2800 [19 300]
18 450 18.000 [457] 0.250 [6.35] 47.44 [70.60] 10 500 [3400] 580 [4000]
0.281 [7.14] 53.23 [79.24] 560 [3900] 660 [4500]
0.312 [7.92] 58.99 [87.75] 20 620 [4300] 730 [5000]
0.344 [8.74] 64.93 [96.66] 690 [4800] 800 [5500]
0.375 [9.52] 70.65 [105.10] STD 750 [5200] 880 [6100]
0.406 [10.31] 76.36 [113.62] 810 [5600] 950 [6500]
0.438 [11.13] 82.23 [122.43] 30 880 [6100] 1020 [7000]
0.469 [11.91] 87.89 [130.78] 940 [6500] 1090 [7500]
0.500 [12.70] 93.54 [139.20] XS 1000 [6900] 1170 [8100]
0.562 [14.27] 104.76 [155.87] 40 1120 [7700] 1310 [9000]
0.750 [19.05] 138.30 [205.83] 60 1500 [10 300] 1750 [12 100]
0.938 [23.83] 171.08 [254.67] 80 1880 [13 000] 2190 [15 100]
1.156 [29.36] 208.15 [309.76] 100 2310 [15 900] 2700 [18 600]
1.375 [34.92] 244.37 [363.64] 120 2750 [19 000] 2800 [19 300]
1.562 [39.67] 274.48 [408.45] 140 2800 [19 300] 2800 [19 300]
1.781 [45.24] 308.79 [459.59] 160 2800 [19 300] 2800 [19 300]
20 500 20.000 [508] 0.250 [6.35] 52.78 [78.55] 10 450 [3100] 520 [3600]
0.281 [7.14] 59.23 [88.19] 510 [3500] 590 [4100]
0.312 [7.92] 65.66 [97.67] 560 [3900] 660 [4500]
0.344 [8.74] 72.28 [107.60] 620 [4300] 720 [5000]
0.375 [9.52] 78.67 [117.02] STD 20 680 [4700] 790 [5400]
0.406 [10.31] 84.04 [126.53] 730 [5000] 850 [5900]
0.438 [11.13] 91.59 [136.37] 790 [5400] 920 [6300]
0.469 [11.91] 97.92 [145.70] 850 [5900] 950 [6500]
0.500 [12.70] 104.23 [155.12] XS 30 900 [6200] 1050 [7200]
0.594 [15.09] 123.23 [183.42] 40 1170 [8100] 1250 [8600]
0.812 [20.62] 166.56 [247.83] 60 1460 [10 100] 1710 [11 800]
1.031 [26.19] 209.06 [311.17] 80 1860 [12 800] 2170 [15 000]
1.281 [32.54] 256.34 [381.53] 100 2310 [15 900] 2690 [18 500]
1.500 [38.10] 296.65 [441.49] 120 2700 [18 600] 2800 [19 300]
1.750 [44.45] 341.41 [508.11] 140 2800 [19 300] 2800 [19 300]
1.969 [50.01] 379.53 [564.81] 160 2800 [19 300] 2800 [19 300]
24 600 24.000 [610] 0.250 [6.35] 63.47 [94.46] 10 380 [2600] 440 [3000]
0.281 [7.14] 71.25 [106.08] 420 [2900] 490 [3400]
0.312 [7.92] 79.01 [117.51] 470 [3200] 550 [3800]
0.344 [8.74] 86.99 [129.50] 520 [3600] 600 [4100]
0.375 [9.52] 94.71 [140.88] STD 20 560 [3900] 660 [4500]
0.406 [10.31] 102.40 [152.37] 610 [4200] 710 [4900]
0.438 [11.13] 110.32 [164.26] 660 [4500] 770 [5300]
0.469 [11.91] 117.98 [175.54] 700 [4800] 820 [5700]
0.500 [12.70] 125.61 [186.94] XS 750 [5200] 880 [6100]
0.562 [14.27] 140.81 [209.50] 30 840 [5800] 980 [6800]
0.688 [17.48] 171.45 [255.24] 40 1030 [7100] 1200 [8300]
0.938 [23.83] 231.25 [344.23] 1410 [9700] 1640 [11 300]
0.969 [24.61] 238.57 [355.02] 60 1450 [10 000] 1700 [11 700]
1.219 [30.96] 296.86 [441.78] 80 1830 [12 600] 2130 [14 700]
1.531 [38.89] 367.74 [547.33] 100 2300 [15 900] 2680 [18 500]
1.812 [46.02] 429.79 [639.58] 120 2720 [18 800] 2800 [19 300]
2.062 [52.37] 483.57 [719.63] 140 2800 [19 300] 2800 [19 300]
2.344 [59.54] 542.64 [807.63] 160 2800 [19 300] 2800 [19 300]
26 650 26.000 [660] 0.250 [6.35] 68.82 [102.42] 350 [2400] 400 [2800]
0.281 [7.14] 77.26 [115.02] 390 [2700] 450 [3100]
0.312 [7.92] 85.68 [127.43] 10 430 [3000] 500 [3400]
0.344 [8.74] 94.35 [140.45] 480 [3300] 560 [3900]
0.375 [9.52] 102.72 [152.80] STD 520 [3600] 610 [4200]
0.406 [10.31] 111.08 [165.28] 560 [3900] 660 [4500]
0.438 [11.13] 119.69 [178.20] 610 [4200] 710 [4900]
0.469 [11.91] 128.00 [190.46] 650 [4500] 760 [5200]
0.500 [12.70] 136.30 [202.85] XS 20 690 [4800] 810 [5600]
0.562 [14.27] 152.83 [227.37] 780 [5400] 910 [6300]

Pressure Ratings

  • The working pressure of steel pipes depends on the pipe thickness and material, determined according to ASTM and ANSI/ASME standards.

Material Types

  • ASTM A106-02a specifies carbon steel pipe material, which comes in three grades:
    • Grade A: Lowest tensile strength
    • Grade B: Medium tensile strength (most common)
    • Grade C: Highest tensile strength

These steel pipes can be supplied in plain or galvanized surface conditions depending on the specific requirements of the application.

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