FLUXUS F70x C Reference
186 UMFLUXUS_F7V4-6-2EN, 2017-10-01
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 assume 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 transmitter. Column c
flow
shows the sound
speed (longitudinal or transversal) used for the flow measurement.
The sound speed depends on the composition and the manufacturing process of the material. The sound speed of alloys
and cast materials fluctuates strongly. The values only serve as an orientation.
material (display) explanation c
trans
[m/s]
c
long
[m/s]
c
flow
Carbon Steel carbon steel 3 230 5 930 trans
Stainless Steel stainless steel 3 100 5 790 trans
DUPLEX duplex stainless steel 3 272 5 720 trans
Ductile Iron ductile cast iron 2 650 - trans
Asbestos Cement asbestos cement 2 200 - trans
Titanium titanium 3 067 5 955 trans
Copper copper 2 260 4 700 trans
Aluminium aluminum 3 100 6 300 trans
Brass brass 2 100 4 300 trans
Plastic plastic 1 120 2 000 long
GRP glass-reinforced plastic - 2 650 long
PVC polyvinyl chloride - 2 395 long
PE polyethylene 540 1 950 long
PP polypropylene 2 600 2 550 trans
Bitumen bitumen 2 500 - trans
Acrylic acrylic glass 1 250 2 730 long
Lead lead 700 2 200 long
Cu-Ni-Fe alloy of copper, nickel, and iron 2 510 4 900 trans
Grey Cast Iron gray cast iron 2 200 4 600 trans
Rubber rubber 1 900 2 400 trans
Glass glass 3 400 5 600 trans
PFA perfluoroalkoxy 500 1 185 long
PVDF polyvinylidene fluoride 760 2 050 long
Sintimid Sintimid - 2 472 long
Teka PEEK Teka PEEK - 2 534 long
Tekason Tekason - 2 230 long
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