Steel Butt-Welding Pipe Fittings (JIS)
90 & 45 Elbows
JIS B2311 *CangZhou SINHOO Standards Unit: mm
Nominal Outside Diameter           D Center to End
Pipe Size
(NPS) 90 Elbows(F) 45 Elbows(H)
A B Long Short Long Short*
15 ½ 21.7 38.1 - 15.8 -
20 ¾ 27.2 38.1 - 15.8 -
25 1 34.0 38.1 25.4 15.8 10.5
32 42.7 47.6 31.8 19.7 13.2
40 48.6 57.2 38.1 23.7 15.8
50 2 60.5 76.2 50.8 31.6 21.0
65 76.3 95.3 63.5 39.5 26.3
80 3 89.1 114.3 76.2 47.3 31.6
90 101.6 133.4 88.9 55.3 36.8
100 4 114.3 152.4 101.6 63.1 42.1
125 5 139.8 190.5 127.0 78.9 52.6
150 6 165.2 228.6 152.4 94.7 63.1
200 8 216.3 304.8 203.2 126.3 84.2
250 10 267.4 381.0 254.0 157.8 105.2
300 12 318.5 457.2 304.8 189.4 126.3
350 14 355.6 533.4 355.6 220.9 147.3
400 16 406.4 609.6 406.4 252.5 168.4
450 18 457.2 685.8 457.2 284.1 189.4
500 20 508.0 762.0 508.0 315.6 210.4
550 22 558.8 838.2 558.8 347.2 231.5
600 24 609.6 914.4 609.6 378.7 252.5
650 26 660.4 990.6 660.4 410.3 273.6
700 28 711.2 1066.8 711.2 441.9 294.6
750 30 762.0 1143.0 762.0 473.4 315.7
800 32 812.8 1219.2 812.8 505.0 336.7
850 34 863.6 1295.4 863.6 536.6 357.7
900 36 914.4 1371.6 914.4 568.1 378.8
950 38 965.2 1447.8 965.2 599.7 399.8
1000 40 1016.0 1524.0 1016.0 631.2 420.9
1050 42 1066.8 1600.2 1066.8 662.8 441.9
1100 44 1117.6 1676.4 1117.6 694.4 463.0
1150 46 1168.4 1752.6 1168.4 725.9 484.0
1200 48 1219.2 1828.8 1219.2 757.5 505.1