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I.D. (inches)

I.D. (meters)

f_u(Hz)

S_max (meters)

f₁ at s_max (Hz)

4” Schedule 80

3.826

0.0972

2050.3

0.0754

227.9

2” Schedule 80

1.939

0.0493

4042.4

0.0382

449.7

1” Schedule 80

0.957

0.0243

8201.2

0.0188

913.8

1/2” Schedule 80

0.546

0.0139

14337.3

0.0108

1590.7

2(1/2)” Square, 1/4” Wallthickness

2.00

0.0508

3381.9

0.04572

375.8