
برائے نام پائپ کا سائز اور شیڈول
Nominal Pipe Size OD
پائپ آئی ڈی = [پائپ او ڈی - (2×پائپ کی دیوار کی موٹائی)]
کاربن سٹیل اور سٹینلیس سٹیل پائپ کے لیے طول و عرض کی رواداری

پائپ آئی ڈی = [پائپ او ڈی - (2×پائپ کی دیوار کی موٹائی)]
NPS[7] | DN[2] | OD [in (mm)] | Wall thickness [in (mm)] | |||||||||||
Sch. 5s | Sch. 10s/10 | Sch. 20 | Sch. 30 | Sch. 40s/40 /STD | Sch. 60 | Sch. 80s/80 /XS | Sch. 100 | Sch. 120 | Sch. 140 | Sch. 160 | XXS[7] | |||
4 | 100 | 4.500 (114.30) | 0.083 (2.108) | 0.120 (3.048) | — | 0.188 (4.775) | 0.237 (6.020) | — | 0.337 (8.560) | — | 0.437 (11.100) | — | 0.531 (13.487) | 0.674 (17.120) |
4 + 1⁄2 | 115 | 5.000 (127.00) | — | — | — | — | 0.247 (6.274) | — | 0.355 (9.017) | — | — | — | — | 0.710 (18.034) |
5 | 125 | 5.563 (141.30) | 0.109 (2.769) | 0.134 (3.404) | — | — | 0.258 (6.553) | — | 0.375 (9.525) | — | 0.500 (12.700) | — | 0.625 (15.875) | 0.750 (19.050) |
6 | 150 | 6.625 (168.28) | 0.109 (2.769) | 0.134 (3.404) | — | — | 0.280 (7.112) | — | 0.432 (10.973) | — | 0.562 (14.275) | — | 0.719 (18.263) | 0.864 (21.946) |
7 | — | 7.625 (193.68) | — | — | — | — | 0.301 (7.645) | — | 0.500 (12.700) | — | — | — | — | 0.875 (22.225) |
8 | 200 | 8.625 (219.08) | 0.109 (2.769) | 0.148 (3.759) | 0.250 (6.350) | 0.277 (7.036) | 0.322 (8.179) | 0.406 (10.312) | 0.500 (12.700) | 0.593 (15.062) | 0.719 (18.263) | 0.812 (20.625) | 0.906 (23.012) | 0.875 (22.225) |
9 | — | 9.625 (244.48) | — | — | — | — | 0.342 (8.687) | — | 0.500 (12.700) | — | — | — | — | — |
NPS[7] | DN[2] | OD [in (mm)] | Wall thickness [in (mm)] | |||||
Sch. 5s | Sch. 10 | Sch. 10s | Sch. 20 | Sch. 30 | Sch. Std./40S | |||
10 | 250 | 10.75 (273.05) | 0.134 (3.404) | 0.165 (4.191) | 0.165 (4.191) | 0.250 (6.350) | 0.307 (7.798) | 0.365 (9.271) |
12 | 300 | 12.75 (323.85) | 0.156 (3.962) | 0.180 (4.572) | 0.180 (4.572) | 0.250 (6.350) | 0.330 (8.382) | 0.375 (9.525) |
14 | 350 | 14.00 (355.60) | 0.156 (3.962) | 0.250 (6.350) | 0.188 (4.775) | 0.312 (7.925) | 0.375 (9.525) | 0.375 (9.525) |
16 | 400 | 16.00 (406.40) | 0.165 (4.191) | 0.250 (6.350) | 0.188 (4.775) | 0.312 (7.925) | 0.375 (9.525) | 0.375 (9.525) |
18 | 450 | 18.00 (457.20) | 0.165 (4.191) | 0.250 (6.350) | 0.188 (4.775) | 0.312 (7.925) | 0.437 (11.100) | 0.375 (9.525) |
20 | 500 | 20.00 (508.00) | 0.188 (4.775) | 0.250 (6.350) | 0.218 (5.537) | 0.375 (9.525) | 0.500 (12.700) | 0.375 (9.525) |
22 | 550 | 22.00 (558.80) | 0.188 (4.775) | 0.250 (6.350) | 0.218 (5.537) | 0.375 (9.525) | 0.500 (12.700) | 0.375 (9.525) |
24 | 600 | 24.00 (609.60) | 0.218 (5.537) | 0.250 (6.350) | 0.250 (6.350) | 0.375 (9.525) | 0.562 (14.275) | 0.375 (9.525) |
NPS[7] | DN[2] | Wall thickness [in (mm)] | |||||||
Sch. 40 | Sch. 60 | Sch. 80s/XS | Sch. 80 | Sch. 100 | Sch. 120 | Sch. 140 | Sch. 160 | ||
10 | 250 | 0.365 (9.271) | 0.500 (12.700) | 0.500 (12.700) | 0.594 (15.088) | 0.718 (18.237) | 0.843 (21.412) | 1.000 (25.400) | 1.125 (28.575) |
12 | 300 | 0.406 (10.312) | 0.562 (14.275) | 0.500 (12.700) | 0.687 (17.450) | 0.843 (21.412) | 1.000 (25.400) | 1.125 (28.575) | 1.312 (33.325) |
14 | 350 | 0.437 (11.100) | 0.593 (15.062) | 0.500 (12.700) | 0.750 (19.050) | 0.937 (23.800) | 1.093 (27.762) | 1.250 (31.750) | 1.406 (35.712) |
16 | 400 | 0.500 (12.700) | 0.656 (16.662) | 0.500 (12.700) | 0.843 (21.412) | 1.031 (26.187) | 1.218 (30.937) | 1.437 (36.500) | 1.594 (40.488) |
18 | 450 | 0.562 (14.275) | 0.750 (19.050) | 0.500 (12.700) | 0.937 (23.800) | 1.156 (29.362) | 1.375 (34.925) | 1.562 (39.675) | 1.781 (45.237) |
20 | 500 | 0.593 (15.062) | 0.812 (20.625) | 0.500 (12.700) | 1.031 (26.187) | 1.280 (32.512) | 1.500 (38.100) | 1.750 (44.450) | 1.968 (49.987) |
22 | 550 | — | 0.875 (22.225) | 0.500 (12.700) | 1.125 (28.575) | 1.375 (34.925) | 1.625 (41.275) | 1.875 (47.625) | 2.125 (53.975) |
24 | 600 | 0.687 (17.450) | 0.968 (24.587) | 0.500 (12.700) | 1.218 (30.937) | 1.531 (38.887) | 1.812 (46.025) | 2.062 (52.375) | 2.343 (59.512) |
NPS[7] | DN[2] | OD [in (mm)] | Wall thickness [in (mm)] | |||||||
Sch. 5s | Sch. 10s | Sch. 10 | Sch. 20/XS | Sch. 30 | Sch. 40s/Std. | Sch. 40 | ||||
26 | 650 | 26.000 (660.400) | — | — | 0.312 (7.925) | 0.500 (12.700) | — | 0.375 (9.525) | — | |
28 | 700 | 28.000 (711.200) | — | ? | 0.312 (7.925) | 0.500 (12.700) | 0.625 (15.875) | 0.375 (9.525) | — | |
30 | 750 | 30.000 (762.000) | 0.250 (6.350) | 0.312 (7.925) | 0.312 (7.925) | 0.500 (12.700) | 0.625 (15.875) | 0.375 (9.525) | — | |
32 | 800 | 32.000 (812.800) | — | — | 0.312 (7.925) | 0.500 (12.700) | 0.625 (15.875) | 0.375 (9.525) | 0.688 (17.475) | |
34 | 850 | 34.000 (863.600) | — | — | 0.312 (7.925) | 0.500 (12.700) | 0.625 (15.875) | 0.375 (9.525) | 0.688 (17.475) | |
36 | 900 | 36.000 (914.400) | — | — | 0.312 (7.925) | 0.500 (12.700) | 0.625 (15.875) | 0.375 (9.525) | 0.75 (19.05) |
NPS | |||||
DN[2] | OD [in (mm)] | Wall thickness [in (mm)] | |||
Std. Wt. | Sch. XS | Sch. XXS | |||
40 | 1000 | 40.000 (1,016.000) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
42 | 1050 | 42.000 (1,066.800) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
44 | 1100 | 44.000 (1,117.600) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
46 | 1150 | 46.000 (1,168.400) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
48 | 1200 | 48.000 (1,219.200) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
52 | 1300 | 52.000 (1,320.800) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
56 | 1400 | 56.000 (1,422.400) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
60 | 1500 | 60.000 (1,524.000) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
64 | 1600 | 64.000 (1,625.600) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
68 | 1700 | 68.000 (1,727.200) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
72 | 1800 | 72.000 (1,828.800) | 0.375 (9.525) | 0.500 (12.700) | 1.000 (25.400) |
76 | 1900 | 76.000 (1,930.400) | |||
80 | 2000 | 80.000 (2,032.000) | |||
88 | 2200 | 88.000 (2,235.200) | |||
92 | 2300 | 92.000 (2,336.800) | |||
96 | 2400 | 96.000 (2,438.400) | |||
100 | 2500 | 100.000 (2,540.000) | |||
104 | 2600 | 104.000 (2,641.600) | |||
108 | 2700 | 108.000 (2,743.200) | ≥− |