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 What is the difference between Pipe and Tube?
Solution
What is the difference between Pipe and Tube?

IPS stands for iron pipe size – a standard that was originally developed for fluid transfer but has also become the standard for designating handrail sections in all alloys.

There is often confusion as to which size product the customer actually needs – Pipe Size or OD Tubing Size.
Keep in mind that pipe size refers to a nominal – not actual – inside pipe diameter. Schedule refers to the pipe’s wall thickness. The dimensions provided for OD tubing on the other hand refer to the actual outside diameter and wall thickness.

For example: 1-1/2" pipe size flanges have an opening to fit over 1.90" OD – the actual outside diameter of 1-1/2" pipe – while 1.50" OD tubing has a true 1.50" outside diameter and the flange is sized accordingly.

Refer to the chart below regarding actual dimensions for nominal pipe size.

Comparison of Pipe and Tube

  
Wall Thickness
Nominal Pipe Size
Outside
Diameter

Schedule 5

Schedule 10

Schedule 40

Schedule 80
1/2"
3/4"
1"
1-1/4"
1-1/2"
2"
2-1/2"
3"
3-1/2"
4"
5"
6"
.840"
1.050"
1.315"
1.660"
1.900"
2.375"
2.875"
3.500"
4.000"
4.500"
5.560"
6.630"
.065"
.065"
.065"
.065"
.065"
.065"
.083"
.083"
.083"
.083"
.109"
.109"
.083"
.083"
.109"
.109"
.109"
.109"
.120”
.120”
.120”
.120”
.134”
.134"
.109"
.113"
.133"
.140"
.145"
.154"
.203"
.216"
.226"
.237"
.258"
.280"
.147"
.154"
.179"
.191"
.200"
.218"
.276"
.300"
.318"
.337"
.375"
.432"


Article Details
Article ID: 5
Created On: 24 Apr 2008 06:22 PM

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