Annex
FLUXUS F60* C Reference
235
UMFLUXUS_F60xV5-0EN, 2017-10-16
C Reference
The following tables provide assistance for the user. The accuracy of the data depends
on the composition, temperature and processing of the material. FLEXIM does not as-
sume liability for any inaccuracies.
C.1 Sound speed of selected pipe and lining materials at 20 °C
The values of some of these materials are stored in the internal database of the transmit-
ter. Column c
flow
shows the sound speed (longitudinal or transversal) used for the flow
measurement.
material (display) explanation c
trans
[m/s]
c
long
[m/s] c
flow
Carbon Steel steel (normal) 3230 5930 trans
Stainless Steel steel, stainless 3100 5790 trans
DUPLEX duplex stainless steel 3272 5720 trans
Ductile Iron ductile iron 2650 - trans
Asbestos Cement asbestos cement 2200 - trans
Titanium titanium 3067 5955 trans
Copper copper 2260 4700 trans
Aluminium aluminum 3100 6300 trans
Brass brass 2100 4300 trans
Plastic plastic 1120 2000 long
GRP glass reinforced
plastic
- 2650 long
PVC polyvinyl chloride - 2395 long
PE polyethylene 540 1950 long
PP polypropylene 2600 2550 trans
Bitumen bitumen 2500 - trans
Acrylic acrylic glass 1250 2730 long
Lead lead 700 2200 long
Cu-Ni-Fe copper-nickel-iron
alloy
2510 4900 trans
Grey Cast Iron gray cast iron 2200 4600 trans
Rubber rubber 1900 2400 trans
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