| Material | Ferritic Stainless Steel Type 439 | |
|---|---|---|
| Type | Ferritic Stainless Steel Type 439 | |
| No. of Fins/Waves | 26 Fins per Inch | |
| Part Number | 266035 | |
| Fin Height | 0.049 in | 1.245 mm |
| Plain Section Average Diameter | 0.875 in | 22.225 mm |
| Plain Section Average Wall | 0.058 in | 1.473 mm |
| Wall Under Fin Average | 0.035 in | 0.889 mm |
| Wall Under Fin Minimum | 0.031 in | 0.787 mm |
| Nominal Root Diameter | 0.936 in | 19.736 mm |
| Fin Section I.D. | 0.707 in | 17.958 mm |
| Outside Area Ao | 0.704 ft²/ft | 0.215 m²/m |
| Inside Area Ai | 0.185 ft²/ft | 0.056 m²/m |
| Area Ratio Ao/Ai | 3.805 | |
| I.D. Cross Section Area | 0.393 in² | 2.533 cm² |