Pipe Dimension |
Technical Reference / Various Pipes |
| Steel pipes: JIS G3452/G3454 |
| Nominal size | Outside
diameter
(mm) | Carbon steel
pipes for ordinary
piping <SGP>
(JIS G3452) | Carbon steel pipes for pressure service
<STPG>(JIS G3454) | | Nominal thickness | | A | B | Thickness (mm) | Sch10 | Sch20 | Sch30 | Sch40 | Sch60 | Sch80 | | 6 | 1/8 | 10.5 | 2.0 | – | – | – | 1.7 | 2.2 | 2.4 | | 8 | 1/4 | 13.8 | 2.3 | – | – | – | 2.2 | 2.4 | 3.0 | | 10 | 3/8 | 17.3 | 2.3 | – | – | – | 2.3 | 2.8 | 3.2 | | 15 | 1/2 | 21.7 | 2.8 | – | – | – | 2.8 | 3.2 | 3.7 | | 20 | 3/4 | 27.2 | 2.8 | – | – | – | 2.9 | 3.4 | 3.9 | | 25 | 1 | 34.0 | 3.2 | – | – | – | 3.4 | 3.9 | 4.5 | | 32 | 1.1/4 | 42.7 | 3.5 | – | – | – | 3.6 | 4.5 | 4.9 | | 40 | 1.1/2 | 48.6 | 3.5 | – | – | – | 3.7 | 4.5 | 5.1 | | 50 | 2 | 60.5 | 3.8 | – | 3.2 | – | 3.9 | 4.9 | 5.5 | | 65 | 2.1/2 | 76.3 | 4.2 | – | 4.5 | – | 5.2 | 6.0 | 7.0 | | 80 | 3 | 89.1 | 4.2 | – | 4.5 | – | 5.5 | 6.6 | 7.6 | | 90 | 3.1/2 | 101.6 | 4.2 | – | 4.5 | – | 5.7 | 7.0 | 8.1 | | 100 | 4 | 114.3 | 4.5 | – | 4.9 | – | 6.0 | 7.1 | 8.6 | | 125 | 5 | 139.8 | 4.5 | – | 5.1 | – | 6.6 | 8.1 | 9.5 | | 150 | 6 | 165.2 | 5.0 | – | 5.5 | – | 7.1 | 9.3 | 11.0 | | 200 | 8 | 216.3 | 5.8 | – | 6.4 | 7.0 | 8.2 | 10.3 | 12.7 | | 250 | 10 | 267.4 | 6.6 | – | 6.4 | 7.8 | 9.3 | 12.7 | 15.1 | | 300 | 12 | 318.5 | 6.9 | – | 6.4 | 8.4 | 10.3 | 14.3 | 17.4 | | 350 | 14 | 355.6 | 7.9 | 6.4 | 7.9 | 9.5 | 11.1 | 15.1 | 19.0 | | 400 | 16 | 406.4 | 7.9 | 6.4 | 7.9 | 9.5 | 12.7 | 16.7 | 21.4 |
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| Thich steel conduit: JIS C8305 | | Thin steel conduit: JIS C8305 | | Thicker conduit | | Thinner Conduit | Parallel PipeThread
(JIS B0202/ISO228-1) | Nominal size | Outside
diameter
(mm) | Thickness
(mm) | | PF | G (BSPP) | Pipe | Thread | | 1/4 (8) | G1/4 | G8 | CTG8 | – | – | | 3/8 (10) | G3/8 | G10 | CTG10 | – | – | | 1/2 (16) | G1/2 | G16 | CTG16 | 21.0 | 2.3 | | 3/4 (22) | G3/4 | G22 | CTG22 | 26.5 | 2.3 | | 1 (28) | G1 | G28 | CTG28 | 33.3 | 2.5 | | 1.1/4 (36) | G1.1/4 | G36 | CTG36 | 41.9 | 2.5 | | 1.1/2 (42) | G1.1/2 | G42 | CTG42 | 47.8 | 2.5 | | 2 (54) | G2 | G54 | CTG54 | 59.6 | 2.8 | | 2.1/2 (70) | G2.1/2 | G70 | CTG70 | 75.2 | 2.8 | | 3 (82) | G3 | G82 | CTG82 | 87.9 | 2.8 | | 3.1/2 (92) | G3.1/2 | G92 | CTG92 | 100.7 | 3.5 | | 4 (104) | G4 | G104 | CTG104 | 113.4 | 3.5 |
| | | Nominal size | Outside
diameter
(mm) | Thickness
(mm) | | Pipe | Thread | | C19 | CTC19 | 19.1 | 1.6 | | C25 | CTC25 | 25.4 | 1.6 | | C31 | CTC31 | 31.8 | 1.6 | | C39 | CTC39 | 38.1 | 1.6 | | C51 | CTC51 | 50.8 | 1.6 | | C63 | CTC63 | 63.5 | 2.0 | | C75 | CTC75 | 76.2 | 2.0 |
Remarks: former JIS B0204 |
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| Copper tube for construction piping: JIS H3300 | | Copper tube for refrigerent: JIS H3300 | | Nominal size | Outside
diameter
(mm) | Thickness (mm) | | M type | L type | | A | B | Water
supply | Gas and
water
supply | | 8 | 1/4 | 9.52 | – | 0.76 | | 10 | 3/8 | 12.70 | 0.64 | 0.89 | | 15 | 1/2 | 15.88 | 0.71 | 1.02 | | – | 5/8 | 19.05 | – | 1.07 | | 20 | 3/4 | 22.22 | 0.81 | 1.14 | | 25 | 1 | 28.58 | 0.89 | 1.27 | | 32 | 1.1/4 | 34.92 | 1.07 | 1.40 | | 40 | 1.1/2 | 41.28 | 1.24 | 1.52 | | 50 | 2 | 53.98 | 1.47 | 1.78 |
| | Nominal
size | Outside
diameter
(mm) | Thickness
(mm) | | 1/4 | 6.35 | 0.80 | | 3/8 | 9.52 | 0.80 | | 1/2 | 12.70 | 0.80 | | 5/8 | 15.88 | 1.00 | | 3/4 | 19.05 | 1.00 | | 7/8 | 22.22 | 1.00 | | 1 | 25.40 | 1.00 | | 1.1/8 | 28.58 | 1.00 | | 1.1/4 | 31.75 | 1.10 | | 1.3/8 | 34.92 | 1.10 | | 1.1/2 | 38.10 | 1.15 | | 1.5/8 | 41.28 | 1.20 | | 1.3/4 | 44.45 | 1.25 | | 2 | 50.80 | 1.40 |
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| Stainless Steel pipes: JIS G3459 | | Nominal size | Outside
diameter
(mm) | Nominal thickness | | Sch5S | Sch10S | Sch20S | Sch40 | Sch80 | | A | B | Thickness (mm) | | 6 | 1/8 | 10.5 | 1.0 | 1.2 | 1.5 | 1.7 | 2.4 | | 8 | 1/4 | 13.8 | 1.2 | 1.65 | 2.0 | 2.2 | 3.0 | | 10 | 3/8 | 17.3 | 1.2 | 1.65 | 2.0 | 2.3 | 3.2 | | 15 | 1/2 | 21.7 | 1.65 | 2.1 | 2.5 | 2.8 | 3.7 | | 20 | 3/4 | 27.2 | 1.65 | 2.1 | 2.5 | 2.9 | 3.9 | | 25 | 1 | 34.0 | 1.65 | 2.8 | 3.0 | 3.4 | 4.5 | | 32 | 1.1/4 | 42.7 | 1.65 | 2.8 | 3.0 | 3.6 | 4.9 | | 40 | 1.1/2 | 48.6 | 1.65 | 2.8 | 3.0 | 3.7 | 5.1 | | 50 | 2 | 60.5 | 1.65 | 2.8 | 3.5 | 3.9 | 5.5 | | 65 | 2.1/2 | 76.3 | 2.1 | 3.0 | 3.5 | 5.2 | 7.0 | | 80 | 3 | 89.1 | 2.1 | 3.0 | 4.0 | 5.5 | 7.6 | | 90 | 3.1/2 | 101.6 | 2.1 | 3.0 | 4.0 | 5.7 | 8.1 | | 100 | 4 | 114.3 | 2.1 | 3.0 | 4.0 | 6.0 | 8.6 | | 125 | 5 | 139.8 | 2.8 | 3.4 | 5.0 | 6.6 | 9.5 | | 150 | 6 | 165.2 | 2.8 | 3.4 | 5.0 | 7.1 | 11.0 | | 200 | 8 | 216.3 | 2.8 | 4.0 | 6.5 | 8.2 | 12.7 | | 250 | 10 | 267.4 | 3.4 | 4.0 | 6.5 | 9.3 | 15.1 | | 300 | 12 | 318.5 | 4.0 | 4.5 | 6.5 | 10.3 | 17.4 | | 350 | 14 | 355.6 | – | – | – | 11.1 | 19.0 | | 400 | 16 | 406.4 | – | – | – | 12.7 | 21.4 |
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| Light gauge stainless tube | | | | for ordinary piping: JIS G3448 | | Stainless steel sanitary pipes: JIS G3447 | Nominal
size | Outside
diameter
(mm) | Thickness
(mm) | | Su | | 8 | 9.52 | 0.7 | | 10 | 12.7 | 0.8 | | 13 | 15.88 | 0.8 | | 20 | 22.22 | 1.0 | | 25 | 28.58 | 1.0 | | 30 | 34.0 | 1.2 | | 40 | 42.7 | 1.2 | | 50 | 48.6 | 1.2 | | 60 | 60.5 | 1.5 | | 75 | 76.3 | 1.5 | | 80 | 89.1 | 2.0 | | 100 | 114.3 | 2.0 | | 125 | 139.8 | 2.0 | | 150 | 165.2 | 3.0 |
| | Outside
diameter
(mm) | Thickness
(mm) | | 25.4 | 1.2 | | 31.8 | 1.2 | | 38.1 | 1.2 | | 50.8 | 1.5 | | 63.5 | 2.0 | | 76.3 | 2.0 | | 89.1 | 2.0 | | 101.6 | 2.0 | | 114.3 | 3.0 | | 139.8 | 3.0 | | 165.2 | 3.0 |
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| Steel Pipe: ASME B36.10M-2004 | Nominal
Size | Outside
Diameter | Nominal Thickness | | Schdule5 | Schdule10 | Schdule20 | Schdule30 | STD | Schdule40 | XS | Schdule60 | Schdule80 | | Wall Thickness | | A | B | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | | 6 | 1/8 | 10.3 | 0.405 | – | – | 1.24 | 0.049 | – | – | 1.45 | 0.057 | 1.73 | 0.068 | 1.73 | 0.068 | 2.41 | 0.095 | – | – | 2.41 | 0.095 | | 8 | 1/4 | 13.7 | 0.540 | – | – | 1.65 | 0.065 | – | – | 1.85 | 0.073 | 2.24 | 0.088 | 2.24 | 0.088 | 3.02 | 0.119 | – | – | 3.02 | 0.119 | | 10 | 3/8 | 17.1 | 0.675 | – | – | 1.65 | 0.065 | – | – | 1.85 | 0.073 | 2.31 | 0.091 | 2.31 | 0.091 | 3.20 | 0.126 | – | – | 3.20 | 0.126 | | 15 | 1/2 | 21.3 | 0.840 | 1.65 | 0.065 | 2.11 | 0.083 | – | – | 2.41 | 0.095 | 2.77 | 0.109 | 2.77 | 0.109 | 3.73 | 0.147 | – | – | 3.73 | 0.147 | | 20 | 3/4 | 26.7 | 1.050 | 1.65 | 0.065 | 2.11 | 0.083 | – | – | 2.41 | 0.095 | 2.87 | 0.113 | 2.87 | 0.113 | 3.91 | 0.154 | – | – | 3.91 | 0.154 | | 25 | 1 | 33.4 | 1.315 | 1.65 | 0.065 | 2.77 | 0.109 | – | – | 2.90 | 0.114 | 3.38 | 0.133 | 3.38 | 0.133 | 4.55 | 0.179 | – | – | 4.55 | 0.179 | | 32 | 1 1/4 | 42.2 | 1.660 | 1.65 | 0.065 | 2.77 | 0.109 | – | – | 2.97 | 0.117 | 3.56 | 0.140 | 3.56 | 0.140 | 4.85 | 0.191 | – | – | 4.85 | 0.191 | | 40 | 1 1/2 | 48.3 | 1.900 | 1.65 | 0.065 | 2.77 | 0.109 | – | – | 3.18 | 0.125 | 3.68 | 0.145 | 3.68 | 0.145 | 5.08 | 0.200 | – | – | 5.08 | 0.200 | | 50 | 2 | 60.3 | 2.375 | 1.65 | 0.065 | 2.77 | 0.109 | – | – | 3.18 | 0.125 | 3.91 | 0.154 | 3.91 | 0.154 | 5.54 | 0.218 | – | – | 5.54 | 0.218 | | 65 | 2 1/2 | 73.0 | 2.875 | 2.11 | 0.083 | 3.05 | 0.120 | – | – | 4.78 | 0.188 | 5.16 | 0.203 | 5.16 | 0.203 | 7.01 | 0.276 | – | – | 7.01 | 0.276 | | 80 | 3 | 88.9 | 3.500 | 2.11 | 0.083 | 3.05 | 0.120 | – | – | 4.78 | 0.188 | 5.49 | 0.216 | 5.49 | 0.216 | 7.62 | 0.300 | – | – | 7.62 | 0.300 | | 90 | 3 1/2 | 101.6 | 4.000 | 2.11 | 0.083 | 3.05 | 0.120 | – | – | 4.78 | 0.188 | 5.74 | 0.226 | 5.74 | 0.226 | 8.09 | 0.318 | – | – | 8.08 | 0.318 | | 100 | 4 | 114.3 | 4.500 | 2.11 | 0.083 | 3.05 | 0.120 | – | – | 4.78 | 0.188 | 6.02 | 0.237 | 6.02 | 0.237 | 8.56 | 0.337 | – | – | 8.56 | 0.337 | | 125 | 5 | 141.3 | 5.563 | 2.77 | 0.109 | 3.40 | 0.134 | – | – | – | – | 6.55 | 0.258 | 6.55 | 0.258 | 9.53 | 0.375 | – | – | 9.53 | 0.375 | | 150 | 6 | 168.3 | 6.625 | 2.77 | 0.109 | 3.40 | 0.134 | – | – | – | – | 7.11 | 0.280 | 7.11 | 0.280 | 10.97 | 0.432 | – | – | 10.97 | 0.432 | | 200 | 8 | 219.1 | 8.625 | 2.77 | 0.109 | 3.76 | 0.148 | 6.35 | 0.250 | 7.04 | 0.277 | 8.18 | 0.322 | 8.18 | 0.322 | 12.70 | 0.500 | 10.31 | 0.406 | 12.70 | 0.500 | | 250 | 10 | 273.1 | 10.750 | 3.40 | 0.134 | 4.19 | 0.165 | 6.35 | 0.250 | 7.80 | 0.307 | 9.27 | 0.365 | 9.27 | 0.365 | 12.70 | 0.500 | 12.70 | 0.500 | 15.09 | 0.594 | | 300 | 12 | 323.9 | 12.750 | 3.96 | 0.156 | 4.57 | 0.180 | 6.35 | 0.250 | 8.38 | 0.330 | 9.53 | 0.375 | 10.31 | 0.406 | 12.70 | 0.500 | 14.27 | 0.562 | 17.48 | 0.688 | | 350 | 14 | 355.6 | 14.000 | 3.96 | 0.156 | 6.35 | 0.250 | 7.92 | 0.312 | 9.53 | 0.375 | 9.53 | 0.375 | 11.13 | 0.438 | 12.70 | 0.500 | 15.09 | 0.594 | 19.05 | 0.750 | | 400 | 16 | 406.4 | 16.000 | 4.19 | 0.165 | 6.35 | 0.250 | 7.92 | 0.312 | 9.53 | 0.375 | 9.53 | 0.375 | 12.70 | 0.500 | 12.70 | 0.500 | 16.66 | 0.656 | 21.44 | 0.844 | | 450 | 18 | 457.2 | 18.000 | 4.19 | 0.165 | 6.35 | 0.250 | 7.92 | 0.312 | 11.13 | 0.438 | 9.53 | 0.375 | 14.27 | 0.562 | 12.70 | 0.500 | 19.05 | 0.750 | 23.83 | 0.938 | | 500 | 20 | 508.0 | 20.000 | 4.78 | 0.188 | 6.35 | 0.250 | 9.53 | 0.375 | 12.70 | 0.500 | 9.53 | 0.375 | 15.09 | 0.594 | 12.70 | 0.500 | 20.62 | 0.812 | 26.19 | 1.031 | | 550 | 22 | 559.0 | 22.000 | 4.78 | 0.188 | 6.35 | 0.250 | 9.53 | 0.375 | 12.70 | 0.500 | 9.53 | 0.375 | – | – | 12.70 | 0.500 | 22.23 | 0.875 | 28.58 | 1.125 | | 600 | 24 | 610.0 | 24.000 | 5.54 | 0.218 | 6.35 | 0.250 | 9.53 | 0.375 | 14.27 | 0.502 | 9.53 | 0.375 | 17.48 | 0.688 | 12.70 | 0.500 | 24.61 | 0.909 | 30.96 | 1.219 |
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| :Differs from JIS pipes by 3mm or more |
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| Stainless Steel Pipe: ASME B36.19M-1985 | | Nominal Size | Outside Diameter | Nominal Thickness | | Schdule5S | Schdule10S | Schdule40S | Schdule80S | | Wall Thickness | | A | B | mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | | 6 | 1/8 | 10.3 | 0.405 | – | – | 1.24 | 0.049 | 1.73 | 0.068 | 2.41 | 0.095 | | 8 | 1/4 | 13.7 | 0.540 | – | – | 1.65 | 0.065 | 2.24 | 0.088 | 3.02 | 0.119 | | 10 | 3/8 | 17.1 | 0.675 | – | – | 1.65 | 0.065 | 2.31 | 0.091 | 3.20 | 0.126 | | 15 | 1/2 | 21.3 | 0.840 | 1.65 | 0.065 | 2.11 | 0.083 | 2.77 | 0.109 | 3.73 | 0.147 | | 20 | 3/4 | 26.7 | 1.050 | 1.65 | 0.065 | 2.11 | 0.083 | 2.87 | 0.113 | 3.91 | 0.154 | | 25 | 1 | 33.4 | 1.315 | 1.65 | 0.065 | 2.77 | 0.109 | 3.38 | 0.133 | 4.55 | 0.179 | | 32 | 1 1/4 | 42.2 | 1.660 | 1.65 | 0.065 | 2.77 | 0.109 | 3.56 | 0.140 | 4.85 | 0.191 | | 40 | 1 1/2 | 48.3 | 1.900 | 1.65 | 0.065 | 2.77 | 0.109 | 3.68 | 0.145 | 5.08 | 0.200 | | 50 | 2 | 60.3 | 2.375 | 1.65 | 0.065 | 2.77 | 0.109 | 3.91 | 0.154 | 5.54 | 0.218 | | 65 | 2 1/2 | 73.0 | 2.875 | 2.11 | 0.083 | 3.05 | 0.120 | 5.16 | 0.203 | 7.01 | 0.276 | | 80 | 3 | 88.9 | 3.500 | 2.11 | 0.083 | 3.05 | 0.120 | 5.49 | 0.216 | 7.62 | 0.300 | | 90 | 3 1/2 | 101.6 | 4.000 | 2.11 | 0.083 | 3.05 | 0.120 | 5.74 | 0.226 | 8.08 | 0.318 | | 100 | 4 | 114.3 | 4.500 | 2.11 | 0.083 | 3.05 | 0.120 | 6.02 | 0.237 | 8.56 | 0.337 | | 125 | 5 | 141.3 | 5.563 | 2.77 | 0.109 | 3.40 | 0.134 | 6.55 | 0.258 | 9.53 | 0.375 | | 150 | 6 | 168.3 | 6.625 | 2.77 | 0.109 | 3.40 | 0.134 | 7.11 | 0.280 | 10.97 | 0.432 | | 200 | 8 | 219.1 | 8.625 | 2.77 | 0.109 | 3.76 | 0.148 | 8.18 | 0.322 | 12.70 | 0.500 | | 250 | 10 | 273.1 | 10.750 | 3.40 | 0.134 | 4.19 | 0.165 | 9.27 | 0.365 | 12.70 | 0.500 | | 300 | 12 | 323.9 | 12.750 | 3.96 | 0.156 | 4.57 | 0.180 | 9.53 | 0.375 | 12.70 | 0.500 | | 350 | 14 | 355.6 | 14.000 | 3.96 | 0.156 | 4.78 | 0.188 | – | – | – | – | | 400 | 16 | 406.4 | 16.000 | 4.19 | 0.165 | 4.78 | 0.188 | – | – | – | – | | 450 | 18 | 457.2 | 18.000 | 4.19 | 0.165 | 4.78 | 0.188 | – | – | – | – | | 500 | 20 | 508.0 | 20.000 | 4.78 | 0.188 | 5.54 | 0.218 | – | – | – | – | | 550 | 22 | 559.0 | 22.000 | 4.78 | 0.188 | 5.54 | 0.218 | – | – | – | – | | 600 | 24 | 610.0 | 24.000 | 5.54 | 0.218 | 6.35 | 0.250 | – | – | – | – |
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| :Size differs from steel pipe |
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