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7. Sound velocities
Material
Aluminium
Conventional steel
Stainless steel
Brass
Copper
Iron
Cast Iron
Lead
Nylon
Silver
Gold
Zinc
Titanium
Sheet metal
Epoxy
Resin
Ice
Nickel
Plexiglas
Styrofoam
Porcelain
PVC
Quartz glass
Rubber
Teflon
Water
8. The measurement of tubes and hose material
If a piece of pipe is measured to determine the thickness of the pipe wall, the
positioning of the transducer is important. If the diameter of the pipe is greater than
4 inches, the position of the transducer on the pipe should be such that the incision on
the contact surface is perpendicular to the long axis of the pipe.
For smaller pipe diameters, two measurements should be made at the same location,
one with the incision on the contact surface perpendicular to the long axis and the other
parallel to it. The smaller of these two measurements is then taken as the exact
measurement of this point.
TN_US-BA-e-2020
Sound velocity
In/us
0.250
0.233
0.226
0.173
0.186
0.233
0.173-0.229
0.094
0.105
0.142
0.128
0.164
0.236
0.117
0.109
0.100
0.157
0.222
0.106
0.092
0.230
0.094
0.222
0.091
0.056
0.058
m/s
6340-6400
5920
5740
4399
4720
5930
4400－5820
2400
2680
3607
3251
4170
5990
2960
2760
2540
3988
5639
2692
2337
5842
2388
5639
2311
1422
1473
19
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