Seamless pipe BS 1387-1957 medium black and galvanized

Nominal	Approx. Outside		Wall Thickness			Weight of black tube						Number
Pipe Size	Diameter					Plain End			Threading and Coupling			of threads
in	in	mm	SWG	in	mm	lbs/ft	kg/ft	kg/m	lbs/ft	kg/ft	kg/m	per inch
1/8	0.406	10.319	14	0.08	2.032	0.273	0.124	0.406	0.275	0.125	0.409	28
1/4	0.531	13.494	13	0.092	2.337	0.437	0.198	0.65	0.44	0.2	0.655	19
3/8	0.688	17.462	13	0.092	2.337	0.573	0.26	0.853	0.578	0.262	0.859	19
1/2	0.844	21.431	12	0.104	2.642	0.82	0.373	1.22	0.827	0.376	1.23	14
3/4	1.063	26.987	12	0.104	2.642	1.06	0.481	1.58	1.07	0.485	1.59	14
1	1.344	34.131	10	0.128	3.251	1.64	0.744	2.44	1.65	0.748	2.46	11
1 1/4	1.688	42.862	10	0.128	3.251	2.11	0.957	3.14	2.13	0.966	3.17	11
1 1/2	1.906	48.419	10	0.128	3,251	2.43	1.1	3.62	2.46	1.12	3.66	11
2	2.375	60.325	9	0.144	3.658	3.42	1.55	5.09	3.47	1.57	5.16	11
2 1/2	3	76.2	9	0.144	3.658	4.38	1.99	6.52	4.46	2.02	6.64	11
3	3.5	88.9	8	0.16	4.064	5.69	2.7	8.47	5.8	2.63	8.63	11
3 1/2	4	101.6	8	0.16	4.064	6.54	2.96	9.72	6.66	3.02	9.9	11
4	4.5	114.3	7	0.176	4.47	8.13	3.69	12.1	8.34	3.78	12.4	11
5	5.5	139.7	6	0.192	4.877	10.9	4.94	16.2	11.2	5.08	16.7	11
6	6.5	165.1	6	0.192	4.877	12.9	6.85	19.2	19.2	6.03	19.8	11