180 Return, Long Radius, Standard Weight
NPS	OD	ID	w.t.	Center to Center, in. (O)	Pipe Sched.	Approx. Weight, lb.
2	2.375	2.067	0.154	6	40	2.99
2.5	2.875	2.469	0.203	7.5	40	5.89
3	3.5	3.068	0.216	9	40	9.23
3.5	4	3.548	0.226	10.5	40	13
4	4.5	4.026	0.237	12	40	17.5
6	6.625	6.065	0.28	18	40	46.1
8	8.625	7.981	0.322	24	40	92.4
10	10.75	10.02	0.365	30	40	164
12	12.75	12	0.375	36	ST	241
14	14	13.25	0.375	42	30	309
16	16	15.25	0.375	48	30	405
18	18	17.25	0.375	54	ST	514
20	20	19.25	0.375	60	20	637
22	22	21.25	0.375	66	ST	771
24	24	23.25	0.375	72	20	920
26	26	25.25	0.375	78	ST	1081
30	30	29.25	0.375	90	ST	1441