Dimensions for JIS and KS Standards

B2311/KS B1522   B2312/KS B1541   B2313/KS B1543

Nominal Pipe Size(NPS) Outside Diameter SPP/SGP LG STD XS
A B JIS/KS W.T I.D W.T I.D W.T I.D W.T I.D
15 1/2 21.7 2.8 16.1
20 3/4 27.2 2.8 21.6
25 1 34.0 3.2 27.6
32 1.1/4 42.7 3.5 35.7
40 1.1/2 48.6 3.5 41.6
50 2 60.5 3.8 52.9
65 2.1/2 76.3 4.2 67.9
80 3 89.1 4.2 80.7
90 3.1/2 101.6 4.2 93.2
100 4 114.3 4.5 105.3
125 5 139.8 4.5 130.8
150 6 165.2 5.0 155.2 5.0 155.2
200 8 216.3 5.8 204.7 5.8 204.7
250 10 267.4 6.6 254.2 6.6 254.2
300 12 318.5 6.9 304.7 6.9 304.7
350 14 355.6 7.9 339.8 7.9 339.8 9.5 336.6 12.7 330.2
400 16 406.4 7.9 390.6 7.9 390.6 9.5 387.4 12.7 381.0
450 18 457.2 7.9 441.4 7.9 441.4 9.5 438.2 12.7 431.8
500 20 508.0 7.9 492.2 7.9 492.2 9.5 489.0 12.7 482.6
550 22 558.8 7.9 543.0 9.5 539.8 12.7 533.4
600 24 609.6 7.9 593.8 9.5 590.6 12.7 584.2
650 *26 660.6 7.9 644.8
700 *28 711.2 7.9 695.4
750 *30 762.0 7.9 746.2
800 932 812.8 7.9 797.0
850 *34 863.6 7.9 847.8
900 *36 914.4 7.9 898.6
950 *38 865.2 7.9 849.4
1000 *40 1016.0 7.9 1000.2
1050 *42 1066.8 7.9 1051.0
1100 *44 1117.6 7.9 1101.8
1150 *46 1168.4 7.9 1152.6
1200 *48 1219.2 7.9 1203.4
1250 *50 1270.0 7.9 1254.2
1300 *52 1320.8 7.9 1305.0
1350 *54 1371.6 7.9 1355.8
1400 *56 1422.4 7.9 1406.6

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