| Material | Ferritic Stainless Steel Type 439 | |
|---|---|---|
| Type | Ferritic Stainless Steel Type 439 | |
| No. of Fins/Waves | 26 Fins per Inch | |
| Part Number | 266049 | |
| Fin Height | 0.049 in | 1.245 mm |
| Plain Section Average Diameter | 0.875 in | 22.225 mm |
| Plain Section Average Wall | 0.072 in | 1.829 mm |
| Wall Under Fin Average | 0.049 in | 1.245 mm |
| Wall Under Fin Minimum | 0.044 in | 1.118 mm |
| Nominal Root Diameter | 0.936 in | 19.736 mm |
| Fin Section I.D. | 0.679 in | 17.247 mm |
| Outside Area Ao | 0.704 ft²/ft | 0.215 m²/m |
| Inside Area Ai | 0.178 ft²/ft | 0.054 m²/m |
| Area Ratio Ao/Ai | 3.955 | |
| I.D. Cross Section Area | 0.362 in² | 2.336 cm² |