Rolled metal pipe

NPS ⅛ to NPS 31/2

NPS DN mm OD inches (mm) SCH 5 SCH 10 SCH 30 SCH 40/STD SCH 80 SCH 120 SCH 160 XXS
6 0.405 in (10.29) 0.035 in (0.889)

0.049

in (1.245)

0.057

in (1.448)

0.068

in (1.727)

0.095

in (2.413)

--- --- ---
¼ 8 0.540 in (13.72) 0.049 in (1.245) 0.065 in (1.651)

0.073

in (1.854)

0.088

in (2.235)

0.119

in (3.023)

--- --- ---
10 0.675 in (17.15) 0.049 in (1.245) 0.065 in (1.651)

0.073

in (1.854)

0.091

in (2.311)

0.126

in (3.2)

--- --- ---
½ 15 0.840 in (21.34) 0.065 in (1.651) 0.083 in (2.108) ---

0.109

in (2.769)

0.147

in (3.734)

--- --- 0.294 in (7.468)
¾ 20 1.050 in (26.67) 0.065 in (1.651) 0.083 in (2.108) ---

0.113

in (2.870)

0.154

in (3.912)

--- --- 0.308 in (7.823)
1 25 1.315 in (33.40) 0.065 in (1.651) 0.109 in (2.769) ---

0.133

in (3.378)

0.179

in (4.547)

--- --- 0.358 in (9.093)
11/4 32 1.66 in (42.16) 0.065 in (1.651) 0.109 in (2.769)

0.117

in (2.972)

0.14 in (3.556)

0.191

in (4.851)

--- --- 0.382 in (9.703)
11/2 40 1.900 in (48.26) 0.065 in (1.651) 0.109 in (2.769)

0.125

in (3.175)

0.145

in (3.683)

0.20 in (5.08) --- --- 0.4 in (10.16)
2 50 2.375 in (60.33) 0.065 in (1.651) 0.109 in (2.769)

0.125

in (3.175)

0.154

in (3.912)

0.218

in (5.537)

0.25 in (6.350 --- 0.436 in (11.074)
21/2 65 2.875 in (73.02) 0.083 in (2.108) 0.12 in (3.048) 0.188 in (4.775)

0.203

in (5.156)

0.276

in (7.01)

0.3 in (7.62) 0.344 in (8.738) 0.552 in (14.021)
3 80 3.500 in (88.9) 0.083 in (2.108) 0.12 in (3.048) 0.188 in (4.775)

0.216

in (5.486)

0.3 in (7.620) 0.35 in (8.89) 0.438 in (11.125) 0.6 in (15.24)
31/2 90 4.0 in (101.6) 0.083 in (2.108) 0.12 in (3.048) 0.188 in (4.775)

0.226

in (5.740)

0.318

in (8.077)

--- --- 0.636 in (16.154)

NPS 4 to NPS 9

NPS DN mm OD inches (mm) SCH 5 SCH 10 SCH 20 SCH 30 SCH 40/STD SCH 60 SCH 80 SCH 100 SCH 120 SCH 140 SCH 160
4 100 4.5 in (114.3) 0.083 in (2.108) 0.120 in (3.048) --- 0.188 in (4.775) 0.237 in (6.02) 0.281 in (7.137) 0.337 in (8.56) --- 0.437 in (11.1) --- 0.531 in (13.487)
41/2 115 5.0 in (127.0) --- --- --- --- 0.247 in (6.274) --- 0.355 in (9.017) --- --- --- ---
5 125 5.563 in (141.3) 0.109 in (2.769) 0.134 in (3.404) --- --- 0.258 in (6.553) --- 0.375 in (9.525) --- 0.5 in (12.7) --- 0.625 in (15.875)
6 150 6.625 in (168.27) 0.109 in (2.769) 0.134 in (3.404) --- --- 0.28 in (7.112) --- 0.432 in (10.973) --- 0.562 in (14.275) --- 0.719 in (18.263)
8 200 8.625 in (219.08) 0.109 in (2.769) 0.148 in (3.759) 0.25 in (6.35) 0.277 in (7.036) 0.322 in (8.179) 0.406 in (10.312) 0.5 in (12.7) 0.593 in (15.062) 0.718 in (18.237) 0.812 in (20.625) 0.906 in (23.012)

NPS 10 to NPS 24

NPS DN mm OD inches (mm) SCH 5s SCH 5 SCH 10s SCH 10 SCH 20 SCH 30
10 250 10.75 in (273.05) 0.134 in (3.404) 0.134 in (3.404) 0.165 in (4.191) 0.165 in (4.191) 0.25 in (6.35) 0.307 in (7.798)
12 300 12.75 in (323.85) 0.156 in (3.962) 0.165 in (4.191) 0.18 in (4.572) 0.18 in (4.572) 0.25 in (6.35) 0.33 in (8.382)
14 350 14.0 in (355.6) 0.156 in (3.962) 0.156 in (3.962) 0.188 in (4.775) 0.250 in (6.350) 0.312 in (7.925) 0.375 in (9.525)
16 400 16.0 in (406.4) 0.165 in (4.191) 0.165 in (4.191) 0.188 in (4.775) 0.312 in (7.925) 0.25 in (6.35) 0.375 in (9.525)
18 450 18.00 in (457.20) 0.165 in (4.191) 0.165 in (4.191) 0.188 in (4.775) 0.312 in (7.925) 0.25 in (6.35) 0.437 in (11.1)
20 500 20 in (508) 0.188 in (4.775) 0.188 in (4.775) 0.218 in (5.537) 0.375 in (9.525) 0.25 in (6.35) 0.5 in (12.7)
24 600 24 in (609.6) 0.218 in (5.537) 0.25 in (6.35) 0.218 in (5.537) 0.25 in (6.35) 0.375 in (9.525) 0.562 in (14.275)
NPS SCH 40s SCH 40 SCH 60 SCH 80s SCH 80 SCH 100 >SCH 120 SCH 140 SCH 160
10 0.365 in (9.271) 0.365 in (9.271) 0.5 in (12.7) 0.5 in (12.7) 0.593 in (15.062) 0.718 in (18.237) 0.843 in (21.412) 1.0 in (25.4) 1.125 in (28.575)
12 0.375 in (9.525) 0.406 in (10.312) 0.5 in (12.7) 0.5 in (12.7) 0.687 in (17.45) 0.843 in (21.412) 1.0 in (25.4) 1.125 in (28.575) 1.312 in (33.325)
14 0.375 in (9.525) 0.437 in (11.1) 0.593 in (15.062) 0.5 in (12.7) 0.75 in (19.05) 0.937 in (23.8) 1.093 in (27.762) 1.25 in (31.75) 1.406 in (35.712)
16 0.375 in (9.525) 0.5 in (12.7) 0.656 in (16.662) 0.5 in (12.7) 0.843 in (21.412) 1.031 in (26.187) 1.218 in (30.937) 1.437 in (36.5) 1.593 in (40.462)
18 0.375 in (9.525) 0.562 in (14.275) 0.750 in (19.05) 0.5 in (12.7) 0.937 in (23.8) 1.156 in (29.362) 1.375 in (34.925) 1.562 in (39.675) 1.781 in (45.237)
20 0.375 in (9.525) 0.593 in (15.062) 0.812 in (20.625) 0.5 in (12.7) 1.031 in (26.187) 1.280 in (32.512) 1.5 in (38.1) 1.75 in (44.45) 1.968 in (49.987)
24 0.375 in (9.525) 0.687 in (17.45) 0.968 in (24.587) 0.5 in (12.7) 1.218 in (30.937) 1.531 in (38.887) 1.812 in (46.025) 2.062 in (52.375) 2.343 in (59.512)