Welcome to Our Website

Seamless Steel Pipe

Normal Size	Outside Diameter		Wall Thickness		Class	Sched No.	Plain End
							NormalWeight			Test Pressure min.
							NormalWeight			Butt Welded		Grade A		Grade B
in	in	mm	in	mm			1b/ft	kg/ft.	kg/m	psi	kg/cm2	psi	kg/cm2	psi	kg/cm2
1/8	.405	10.3	.068 .095	1.7 2.4	std xs	40 80	.24 .31	.11 .14	.36 .46	700 850	49.2 59.8	700 850	49.2 59.8	700 850	49.2 59.8
1/4	.540	13.7	.088 .119	2.2 3.0	std. xs	40 80	.42 .54	.19 .24	.63 .80	700 850	49.2 59.8	700 850	49.2 59.8	700 850	49.2 59.8
3/8	.675	17.1	.091 .126	2.2 3.2	std. xs	40 80	.57 .74	.26 .34	.85 1.10	700 850	49.2 59.8	700 850	49.2 59.8	700 850	49.2 59.8
1/2	.840	21.3	.109 .147 .294	2.8 3.7 7.5	std. xs xxs	40 80 .......	.85 1.09 1.71	.39 .49 .78	1.26 1.62 2.54	700 850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3
3/4	1.050	26.7	.113 .154 .308	2.9 3.9 7.8	std. xs xxs	40 80 .......	1.13 1.47 2.44	.51 .67 1.11	1.68 2.19 3.63	700 8850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3
1	1.315	33.4	..133 .179 .358	3.4 4.5 9.1	std. xs xxs	40 80 .......	1.68 2.17 3.66	.76 .98 1.66	2.50 3.23 5.45	700 850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3	700 850 1000	49.2 59.8 70.3
11/4	1.660	42.2	140 .191 .382	3.6 4.9 9.7	std. xs xxs	40 80 ........	2.27 3.00 5.21	1.03 1.36 2.36	3.38 4.46 7.75	1000 1300 1400	70.3 91.4 98.4	1000 1500 1800	70.3 105.5 126.6	1100 1600 1900	77.3 112.5 133.6
11/2	1.990	48.3	.145 .200 .400	3.7 5.1 10.2	std. xs xxs	40 80 .......	2.72 3.36 6.41	1.23 1.65 2.91	4.05 5.40 9.54	1000 1300 1400	70.3 91.4 98.4	1000 1500 1800	70.3 105.5 126.6	1100 1600 1900	77.3 112.5 133.6
2	2.375	60.3	.154 .218 .344 .436	3.9 5.5 8.7 11.1	std. xs ........ xxs	40 80 160 .......	3.65 5.02 7.46 9.03	1.66 2.28 3.38 4.10	5.43 7.47 11.10 13.44	1000 1300 ...... 1400	70.3 91.4 ....... 98.4	2300 2500 2500 2500	161.7 175.8 175.8 175.8	2500 2500 2500 2500	175.8 175.8 175.8 175.8
21/2	2.875	73.0	.203 .276 .375 .552	5.2 7.0 9.5 14.0	std xs ..... xxs	40 80 160 .....	5.79 7.66 10.01 13.70	2.63 3.47 4.54 6.21	8.62 11.40 14.90 20.39	1000 1300 1400 1400	70.3 91.4 98.4 98.4	2500 2500 2500 2500	175.8 175.8 175.8 175.8	2500 2500 2500 2500	175.8 175.8 175.8 175.8
3	3500	88.9	.188 .216 .300 .438 .600	4.8 5.5 7.6 11.1 15.2	..... std xs .... xxs	...... 40 80 160 ......	6.63 7.58 10.25 14.31 18.58	3.01 3.44 4.65 6.49 8.43	9.87 11.28 15.25 21.30 27.65	1000 1000 1300 ...... ......	70.3 70.3 91.4 ...... ......	...... 2200 2500 2500 2500	.... 154.7 175.8 175.8 175.8	.... 2500 2500 2500 2500	..... 175.8 175.8 175.8 175.8

31/2	4000	101.6	.188 .226 .318	4.8 5.7 8.1	.... std xs	.... 40 ....	7.63 9.11 12.51	3.46 4.13 5.67	11.35 13.56 18.62	1200 1200 1700	84.4 84.4 199.5	.... 2000 2800	.... 140.6 196.9	..... 2400 2800	..... 168.7 196.9
4	4.500	114.3	.156 .188 .219 .237 .337 .438 .531 .674	4.0 4.8 5.6 6.0 8.6 11.1 13.5 17.1	..... ..... std. xs .... .... .... xxs	.... .... .... 40 80 120 160 .....	7.25 8.64 10.00 10.79 14.98 18.98 22.52 27.54	3.29 3.92 4.54 4.89 6.79 8.61 10.21 12.49	10.79 12.86 14.88 16.06 22.29 28.25 33.51 40.98	1000 1200 1200 1200 1700 ..... ..... .....	70.3 84.4 84.4 84.4 119.5 ..... ..... .....	.... .... .... 1900 2700 2800 2800 2800	..... ..... ..... 133.6 189.8 196.9 196.9 196.9	.... .... .... 2200 2800 2800 2800 2800	.... .... .... 154.7 196.9 196.9 196.9 196.9
5	5.563	141.3	.258 .375 .500 .625 .750	6.6 9.5 12.7 15.9 19.9	std xs ... .... xxs	40 80 120 160 ....	14.62 20.78 27.04 32.96 38.55	6.63 9.43 12.27 14.95 17.49	21.76 30.92 40.24 49.95 57.37	..... ..... ..... ..... .....	..... ..... ..... ..... .....	1700 2400 2800 2800 2800	119.5 168.7 196.9 196.9 196.9	1900 2800 2800 2800 2800	133.6 196.9 196.9 196.9 196.9
6	6.625	168.3	.280 .432 .562 .719 .864	7.1 11.0 14.3 18.3 21.9	std xs .... .... xxs	40 80 120 160 .....	18.97 28.57 36.42 45.34 53.16	8.60 12.96 16.52 20.57 24.11	28.23 42.52 54.20 67.47 79.11	..... ..... ..... ..... .....	..... ..... ..... ..... .....	1500 2300 2800 2800 2800	105.5 161.7 196.9 196.9 196.9	1800 2700 2800 2800 2800	126.6 189.8 196.9 196.9 196.9
8	8.625	219.1	.250 .277 .322 .406 .500 .594 .719 .812 .875 .906	6.4 7.0 8.2 10.3 12.7 15.1 18.3 20.6 22.2 23.0	... ... std ... xs ... ... ... xxs ...	20 30 40 60 80 100 120 140 .... 160	22.36 24.70 28.55 35.66 43.39 50.93 60.69 67.79 72.42 74.71	10.14 11.20 12.95 16.18 19.68 23.10 27.53 30.75 32.85 33.89	33.28 36.76 42.49 53.07 64.57 75.79 90.32 100.88 107.77 111.18	.... ..... ..... ..... ..... ..... ..... ..... ..... .....	.... ..... ..... ..... ..... ..... ..... ..... ..... .....	1000 1200 1300 1700 2100 2600 2800 2800 2800 2800	70.3 84.4 91.4 119.5 147.7 175.8 196.9 196.9 196.9 196.9	1200 1300 1600 2000 2400 2800 2800 2800 2800 2800	84.4 91.4 112.5 140.6 168.7 196.9 196.9 196.9 196.9 196.9
10	10.750	273.0	.250 .379 .307 .365 500 .594 .719 .844 1000 1125	6.4 7.1 7.8 9.3 12.7 15.1 18.3 21.4 25.4 28.6	.... .... std ... xs .... .... .... xxs ....	20 30 40 60 80 100 120 140 .... 160	28.04 31.20 34.24 40.48 54.74 64.46 77.00 89.27 104.13 115.05	12.72 14.15 15.53 18.36 24.83 29.21 34.83 40.49 47.23 52.46	41.73 46.43 50.95 60.24 81.46 95.84 114.59 132.85 154.96 172.11	..... ..... ..... ..... ..... ..... ..... ..... ..... .....	..... ..... .... ..... ..... ..... ..... ..... ..... .....	850 950 1000 1200 1700 2000 2400 2800 2800 2800	59.8 66.8 70.3 84.4 119.5 140.6 168.7 196.9 196.9 196.9	1000 1100 1200 1400 2000 2300 2800 2800 2800 2800	70.3 77.3 84.4 98.4 140.6 161.7 196.9 196.9 196.9 196.9
12	12.750	323.8	.250 .330 .375 .406 .500 .562 .688 .844 1000 1125 1312	6.4 8.4 9.5 10.3 12.7 14.3 17.5 21.4 25.4 28.6 33.3	.... .... std ... xs .... .... .... xxs .... ....	20 30 ... 40 .... 60 80 100 120 140 160	33.38 43.77 49.56 53.56 65.42 73.22 88.57 107.29 125.49 139.68 160.33	15.14 19.85 22.48 24.29 29.67 33.21 40.17 48.67 56.92 63.36 72.72	49.67 15.14 73.75 79.71 97.36 108.96 131.81 159.66 186.75 207.87 238.60	.... .... .... .... .... .... .... .... .... .... ....	.... .... .... .... .... .... .... .... .... .... ....	700 950 1100 1100 1400 1600 1900 2400 2800 2800 2800	49.2 66.8 77.3 77.3 98.4 112.5 133.6 168.7 196.9 196.9 196.9	800 1100 1200 1300 1600 1900 2300 2800 2800 2800 2800	56.2 77.3 84.4 91.4 112.5 133.6 161.7 196.9 196.9 196.9 196.9
14	14000	355.6	.250 .312 .375 .438 .500 .594 .750 .938 1.094 1.250 1.406	6.4 7.9 9.5 11.1 12.7 15.1 19.0 23.8 27.8 21.8 35.7	.... .... std .... xs .... .... .... .... .... ....	10 20 30 40 ... 60 80 100 120 140 160	36.71 45.68 54.57 63.37 72.09 85.01 106.13 130.79 150.76 170.22 189.15	16.65 20.72 24.75 28.74 32.70 38.56 48.14 59.33 68.38 77.21 85.80	54.63 67.98 81.21 94.30 107.28 126.51 157.94 194.64 224.36 253.31 281.49	.... .... .... .... .... .... .... .... .... .... ....	.... .... .... .... .... .... .... .... .... .... ....	650 800 950 1100 1300 1500 1900 2400 2800 2800 2800	45.7 56.2 66.8 77.3 91.4 105.5 133.6 168.7 196.9 196.9 196.9	750 950 1100 1300 1300 1500 2800 2800 2800 2800 2800	52.7 66.8 77.3 91.4 105.5 126.6 161.7 196.9 196.9 196.9 196.9
16	16000	406.4	.250 .312 .375 .500 .656 .844 1.031 1.219 1.438 1.594	6.4 7.9 9.5 12.7 16.7 21.4 26.2 31.0 36.5 40.5	.... .... std xs .... .... .... .... .... ....	10 20 30 40 60 80 100 120 140 160	42.05 52.36 62.58 82.77 107.54 136.58 164.86 192.40 223.57 245.22	19.07 23.75 28.39 37.54 48.78 61.95 74.78 82.27 101.41 111.23	62.58 77.92 93.13 123.18 160.04 203.25 245.34 286.32 332.71 364.93	.... .... .... .... .... .... .... .... .... ....	.... .... .... .... .... .... .... .... .... ....	550 700 850 1100 1500 1900 2300 2700 2800 2800	38.7 49.2 59.8 77.3 105.5 133.6 161.7 189.8 196.9 196.9	650 800 1000 1300 1700 2200 2700 2800 2800 2800	45.7 56.2 70.3 91.4 119.5 154.7 189.8 196.9 196.9 196.9
18	18.000	457.2	.250 .312 .275 .438 .500 .562 .750 .938 1.156 1.375 1.562 1.781	6.4 7.9 9.5 11.1 12.7 14.3 19.0 23.8 29.4 34.9 39.7 45.2	.... .... std .... xs .... .... .... .... .... .... .....	10 20 .... 30 .... 40 60 80 100 120 140 160	47.39 59.03 70.59 82.06 93.45 104.76 138.17 170.84 208.00 244.14 274.30 308.55	21.50 26.28 32.02 37.22 42.39 47.52 62.67 77.49 94.35 110.74 124.42 139.96	70.53 87.85 105.05 122.12 139.07 155.90 205.62 254.24 309.54 363.32 408.20 459.17	...... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .....	...... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .....	500 600 750 900 1000 1100 1500 1900 2300 2800 2800 2800	35.2 42.2 52.7 63.3 70.3 77.3 105.5 133.6 161.7 196.9 196.9 196.9	600 750 900 1000 1200 1300 1800 2200 2700 2800 2800 2800	42.2 52.7 63.3 70.3 84.4 91.4 126.6 154.7 189.8 196.9 196.9 196.9
20	20.000	508.0	.250 .375 .500 .594 .812 1031 1281 1500 1750 1969	6.4 9.5 12.7 15.1 20.6 26.2 32.5 38.1 44.4 50.0	...... std xs. ..... ..... ..... ..... ..... ..... .....	10 20 30 40 60 80 100 120 140 160	52.73 18.60 104.13 123.06 166.50 208.92 256.15 296.37 341.10 379.14	23.92 35.65 47.23 55.82 75.52 94.76 116.19 134.43 154.72 171.98	78.47 116.97 154.97 183.13 247.78 310.91 381.19 441.05 507.61 564.22	...... ..... ..... ..... ..... ..... ..... ..... ..... .....	...... ..... ..... ..... ..... ..... ..... ..... ..... .....	450 700 900 1100 1500 1900 2300 2700 2800 2800	31.6 49.2 63.3 77.3 105.5 133.6 161.7 189.8 196.9 196.9	500 800 1000 1200 1700 2200 2700 2800 2800 2800	35.2 56.2 70.3 84.4 119.5 154.7 189.8 196.9 196.9 196.9
24	24.000	609.6	.250 .375 .500 562 .688 .938 .969 1.219 1.531 1.812 2.062 2.344	6.4 9.5 12.7 14.3 17.5 23.8 24.6 31.0 38.9 46.0 52.4 59.5	...... std xs. ..... ..... ..... ..... ..... ..... ..... ..... .....	10 20 .... 30 40 ... 60 90 100 120 140 160	63.41 94.62 125.49 140.80 171.17 230.92 238.29 296.53 367.45 429.50 483.24 542.09	28.76 42.92 56.92 63.87 77.64 104.74 108.09 134.50 166.67 194.82 219.19 245.89	94.36 140.81 186.75 209.53 254.73 343.65 354.61 441.28 546.82 639.16 719.14 806.72	...... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .....	...... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .....	400 550 750 850 1000 ..... 1500 1800 2300 2700 2800 2800	28.1 38.7 52.7 59.8 70.3 ..... 105.5 126.6 161.7 189.8 196.9 196.9	450 650 900 1000 1200 ...... 1700 2100 2700 2800 2800 2800	31.6 45.7 63.3 70.3 84.4 ...... 119.5 147.7 189.8 196.9 196.9 196.9