Imperial Size : 1/2" to 2"
Manufacturing Standard - ASTM
Dimensional Standard - ASME / ANSI B 16.9
| Type | Grade |
| Nickel Front Ferrule | 200 & 201 |
| Monel Front Ferrule | 400, R-405 & K-500 |
| Inconel Front Ferrule | 600, 601, 625 & 718 |
| Incoloy Front Ferrule | 800, 800H, 800HT, 825, 925 & DS |
| Hastelloy Front Ferrule | B-2, B-3, C-22, C-276 & X |
| Duplex Front Ferrule | 2205 / 31803 |
| Super Duplex Front Ferrule | SAF 2507, Zeron 100 & Ferralium 255 |
| Alloy 20 Front Ferrule | Alloy 20 / Carpenter 20 |
| 254 SMO Front Ferrule | 254 SMO |
| 904L Front Ferrule | 904L |
| Titanium Front Ferrule | Gr.2 & Gr.5 |
| Nitronic Front Ferrule | 30, 50, 60 |
| Stainless Steel Front Ferrule | 300 Series |