Table of Pipe Outer Diameters
	*Pipes with the same outer diameters Steel pipe (SGP)/PVC-lined steel pipe (VA/VB) Polyethylene powder-lined steel pipe (PA/PB

Diameter size (A) Nominal diameter (B) Steel pipe (SGP) Coated steel pipe (CL/VD) Cast-iron pipe (CIP) Copper pipe (CUP) Coated copper pipe Stainless steel pipe Outer diameter KEYLON GS  SGP-VD Mechanical joint cast-iron pipe Type 1 (straight pipe) Ductile cast-iron pipe WICU(R) tube Prezole Nominal diameter Thick- walled Thin- walled   10su 12.7 6 1/8 10.5   10A 17.3 8 1/4 13.8   9.52 14 15 13su 15.88 10 3/8 17.3   12.70 17 19 15A 21.7 15 1/2 21.7  25.7 25.7 15.88 20 23 20su 22.22 5/8   19.05 27 20A 27.2 20 3/4 27.2  31.2 31.0 22.22 28 31 25su 28.58 25 1 34.0 37.6 37.8 28.58 38 25A 30su 34.0 32 1 1/4 42.7 46.3 46.3 34.92 32A 40su 42.7 40 1 1/2 48.6 52.2 52.0 41.28 40A 50su 48.6 50 2 60.5 64.1 63.7 58 53.98 50A 60su 60.5 65 2 1/2 76.3 79.9 79.5 66.68 65A 75su 76.3 80(75) 3 89.1  92.7 92.3 83 93 79.38 80A 80su 89.1 90 3 1/2 101.6   100 4 114.3  118.3 118.3 108 118 104.78 100A 100su 114.3 125 5 139.8   143.8 134 130.18 125A 125su 139.8 150 6 165.2   170.2 159 169 155.58 150A 150su 165.2 175 7 190.7   200 8 216.3   221.3 211 220 206.38 200A 200su 216.3 225 9 241.8   250 10 267.4   266 271.6 257.18 250A 250su 267.4 300 12 318.5   316 322.8 300A 300su 318.5 350 14 355.6   374 350A 355.6 400 16 406.4   425.6 400A 406.4 450 18 457.2   476.8 450A 457.2 500 20 508.0   528.0 500A 508.0 Size PVC pipe polyethylene pipe Fireproof double-layer pipe (TN/FDP) Sheath pipe (VP) (VU) (SU) ESLON Hyper AW ESLON HYPER JW Keipla Funen A&A Material Size outer diameter Applicable polybutene pipe Applicable cross-linked polyethylene pipe Kubota ChemiX 16 21.0 10 5/7/8/10 13 18 18 23.0 10 10 16 22 22 27.5 10/13 10/13 25 30.5 13 10/13 20 26 27.0 27 28 34.0 16 15/16 25 32 34.0 32 46 45.5 45 30 36.5 16 15/16 30 38 42.0 40 52 51.5 51 36 42.0 20 20 40 48 48 48.0 50 61 61.0 62 For water supply (blue) 50 60 60 54 60.0 63 74 73.5 74 For hot water (pink) 65 76 76 68 90 89.0 90 75 89 89 80 89.0 90 103 102.5 102 Polybutene pipe Cross-linked polyethylene pipe Size outer diameter Size outer diameter 100 114 114 106 114.3 125 129 128.5 129 8 11 5 8.0 125 140 140 139.8 157 155.5 156 10 13 7 10.0 150 165 165 165 165.2 180 183 182.5 183 13 17 8 11.0 16 22 10 13.0 200 216 216 216 250 20 27 13 17.0 25 34 15 20.0 250 267 267 315 30 42 16 21.5 300 318 318 40 48 20 27.0 350 370 50 60 25 34.0 400 420 65 76 30 42.0 450 470 75 89 40 48.0 500 520 100 114 50 60.0

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