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	inch	mm	mm	mm	MPa	psi	MPa	psi	mm	kg/m	metres
6	1/4	6.4	12.7	17.5	40.0	5800	160.0	22840	100	0.42	100
8	5/16	7.9	14.3	19.1	36.0	5250	140.0	20000	114	0.51	100
10	3/8	9.5	16.7	21.4	33.1	4800	132.0	18840	127	0.60	100
13	1/2	12.7	19.8	24.6	27.6	4000	110.0	15720	178	0.74	100
16	5/8	15.9	23.0	27.8	25.0	3630	100.0	14280	200	0.86	60
19	3/4	19.0	27.0	31.8	21.5	3120	85.0	12280	240	1.04	60
25	1	25.4	34.9	39.7	16.5	2400	65.0	9420	300	1.42	50
32	1 1/4	31.8	44.5	50.8	12.5	1820	50.0	7140	419	2.23	20
38	1 1/2	38.1	50.8	57.2	9.0	1310	36.0	5140	500	2.74	20
51	2	50.8	63.5	69.8	8.0	1160	32.0	4560	630	3.50	20