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Steel Pipe ASTM A135-01

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Description

ASTM A135-01 steel pipe is electric resistance welded (ERW) carbon steel pipe and is used primarily in gas and water systems. This standard includes two types: Type E and Type S.

Type E : High frequency electric resistance welded (ERW) pipe.
Type S : Seamless steel pipe.

Applications

Gas pipeline system
Water supply and drainage system
Construction applications
HVAC (Heating, Ventilation, and Air Conditioning) system
Fire protection system

Standards

ASTM A135-01 specifies specifications for high-frequency electric resistance welded steel pipe and seamless steel pipe.

Standard version

Outer Diameter

Sizes from 1/8 inch to 26 inches

Wall Thickness and Weight kg/m

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]
NPS Designator	DN Designator	Outside Diameter , in. [mm]	Nominal Wall Thickness , in. [mm]		Weight Class	Schedule No.	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	8	0.540 [13.7]	0.088 [2.24]	0.43 [0.63]	STD	40	700 [4800]	700 [4800]
			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	10	0.675 [17.1]	0.091 [2.31]	0.57 [0.84]	STD	40	700 [4800]	700 [4800]
			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	15	0.840 [21.3]	0.109 [2.77]	0.85 [1.27]	STD	40	700 [4800]	700 [4800]
			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	20	1.050 [26.7]	0.113 [2.87]	1.13 [1.69]	STD	40	700 [4800]	700 [4800]
			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	32	1.660 [42.2]	0.140 [3.56]	2.27 [3.39]	STD	40	1200 [8300]	1300 [9000]
			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	40	1.900 [48.3]	0.145 [3.68]	2.72 [4.05]	STD	40	1200 [8300]	1300 [9000]
			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	65	2.875 [73.0]	0.203 [5.16]	5.80 [8.63]	STD	40	2500 [17 200]	2500 [17 200]
			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	90	4.000 [101.6]	0.125 [3.18]	5.18 [7.72]	…	…	1120 [7700]	1310 [19 000]
			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:
- Type E (ERW – Electric Resistance Welding): Steel pipe manufactured using the electric resistance welding (ERW) process. This process uses high frequency current to heat and weld the welds. Commonly used in plumbing, gas, and HVAC systems.
- Type S (Seamless Steel Pipe): Steel pipe is manufactured by the seamless method, usually through cold or hot drawing process to create the pipe. Often used in systems requiring high strength and high pressure resistance, such as in the chemical and oil and gas industries.

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