Products
Type 5 43 FPI Fine-Fin
Type 5
43 FPI Fine-Fin®

Materials: Titanium
43 fins per inch
1692 fins per meter
.022 (Inches) average fin height
.559 (mm) average fin height
.010 (Inches) average fin thickness
.254 (mm) average fin thickness
Part Number Plain Section Average Diameter Plain Section Average Wall Wall Under Fin Average Wall Under Fin Minimum Nominal Root Diameter Fin Section I.D. Outside Area Ao Inside Area Ai Area Ratio Ao/Ai I.D. Cross Section Area

(Inches) (Inches) (Inches) (Inches) (Inches) (Inches) (Ft2/Ft) (Ft2/Ft)
(Inches2)

(mm) (mm) (mm) (mm) (mm) (mm) (m2/m) (m2/m)
(cm2)

435023

.750 .035 .023 .020 .706 .660 .500 .173 2.890 .342

19.050 .889 .584 .508 17.932 16.764 .152 .053
2.207
D - Outside Diameter of Plain End W - Wall Thickness of Plain End
Di - Inside Diameter of Plain End Wf - Wall Thickness Under Fin
dr - Root Diameter Fh - Height of Fin
do - Diameter Over Fins Fm - Mean Fin Thickness
di - Inside Diameter of Fin Section
DEFINITION OF HPT PART NUMBER
Example: 365028

36: fins per inch
5: root diameter (reference) in eights of a n inch

All site content copyright © 2000-2006 High Performance Tube. All rights reserved. Site hosted by RnB Design