Transport Processes and Separation Process Principles (Includes Unit Operations) Fourth Edition

Appendix A.5. Properties of Pipes, Tubes, and Screens

A.5-1. Dimensions of Standard Steel Pipe

Nominal Pipe Size (in.)	Outside Diameter		Schedule Number	Wall Thickness		Inside Diameter		Inside Cross-Sectional Area
	in.	mm		in.	mm	in.	mm	ft2	m2 ×104
	0.405	10.29	40	0.068	1.73	0.269	6.83	0.00040	0.3664
			80	0.095	2.41	0.215	5.46	0.00025	0.2341
	0.540	13.72	40	0.088	2.24	0.364	9.25	0.00072	0.6720
			80	0.119	3.02	0.302	7.67	0.00050	0.4620
	0.675	17.15	40	0.091	2.31	0.493	12.52	0.00133	1.231
			80	0.126	3.20	0.423 ...