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9. Annex
9.1 Sound velocities
Material
Aluminum
Conventional. Steel
Stainless steel
Brass
Copper
Iron
Cast Iron
Lead
Nylon
Silver
Gold
Zinc
Titanium
Sheet metal
Epoxy resin
Ice
Nickel
plexiglass
Styrofoam
Porcelain
PVC
Quartz glass
Rubber
Teflon
Water
20
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
0.100
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
2540
3988
5639
2692
2337
5842
2388
5639
2311
1422
1473
TU_US-BA-e-2020
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