Dimensions of ASME B16.9 Long Radius Elbows

Nominal Size	Outside Diameter at Bevel	Center to End
NPS	mm. in.	90 deg Elbows, A mm. in.	45 deg Elbows, B mm. in.
1/2	21.3 0.84	38 1.50	16 0.62
3/4	26.7 1.05	38 1.50	19 0.75
1	33.4 1.32	38 1.50	22 0.88
1 1/4	42.2 1.66	48 1.88	25 1.00
1 1/2	48.3 1.90	57 2.25	29 1.12
2	60.3 2.38	76 3.00	35 1.38
2 1/2	73.0 2.88	95 3.75	44 1.75
3	88.9 3.50	114 4.50	51 2.00
3 1/2	101.6 4.00	133 5.25	57 2.25
4	114.3 4.50	152 6.00	64 2.50
5	141.3 5.56	190 7.50	79 3.12
6	168.3 6.62	229 9.00	95 3.75
8	219.1 8.62	305 12.00	127 5.00
10	273.0 10.75	381 15.00	159 6.25
12	323.8 12.75	457 18.00	190 7.50
14	355.6 14.00	533 21.00	222 8.75
16	406.4 16.00	610 24.00	254 10.00
18	457.0 18.00	686 27.00	286 11.25
20	508.0 20.00	762 30.00	318 12.50
22	559.0 22.00	838 33.00	343 13.50
24	610.0 24.00	914 36.00	381 15.00
26	660.0 26.00	991 39.00	406 16.00
28	711.0 28.00	1067 42.00	438 17.25
30	762.0 30.00	1143 45.00	470 18.50
32	813.0 32.00	1219 48.00	502 19.75
34	864.0 34.00	1295 51.00	533 21.00
36	914.0 36.00	1372 54.00	565 22.25
38	965.0 38.00	1448 57.00	600 23.62
40	1016.0 40.00	1524 60.00	632 24.88
42	1067.0 42.00	1600 63.00	660 26.00
44	1118.0 44.00	1676 66.00	695 27.38
46	1168.0 46.00	1753 69.00	727 28.62
48	1219.0 48.00	1829 72.00	759 29.88

*All dimensions are furnished in both SI(metric) units and US Customary units.

View more specification of ASME B16.9.