Collar
Sunmach is one of the leading Collar manufacturer company.
This product is available in various forms and size. We also offer custom-made Collar that has been widely appreciated by our clients. The main application areas of this products are petroleum, metallurgy, shipbuilding and construction industry and also applicable in gas plants, power plants and chemical plants.
Nickel Alloy - Up to 12"½ NB & Thickness up to Sch XXS
Stainless Steel - Up to 24"½ NB & Thickness up to Sch XXS
Structure - ERW & Seamless
Manufacturing Standard - ASTM
Dimensional Standard - ASME / ANSI B 16.9
| Type | Grade |
| Nickel Collars | 200 & 201 |
| Monel Collars | 400, R-405 & K-500 |
| Inconel Collars | 600, 601, 625 & 718 |
| Incoloy Collars | 800, 800H, 800HT, 825, 925 & DS |
| Hastelloy Collars | B-2, B-3, C-22, C-276 & X |
| Duplex Collars | 2205 / 31803 |
| Super Duplex Collars | SAF 2507, Zeron 100 & Ferralium 255 |
| Alloy 20 Collars | Alloy 20 / Carpenter 20 |
| 904L Collars | 904L |
| 254 SMO Collars | 254 SMO |
| Titanium Collars | Gr.2 & Gr.5 |
| Nitronic Collars | 30, 50, 60 |
| Stainless Steel Collars | 300 Series |
Environment
Safety
CSR