Stainless Steel Flanges
Stainless steel flanges
UNI MASS supplies stainless steel flanges, from weld neck flanges for high-pressure lines to blind, lap joint and spectacle blind flanges, for corrosive service.
- Class 150–2500
- Pressure ratings
- Grades
- SS316L / 304L / duplex
Key features
- Weld neck, blind, slip-on, lap joint and threaded flanges.
- Better corrosion resistance than standard carbon steel flanges.
- Raised face (RF) and flat face (FF) options.
- Supplied to ASME, ANSI and DIN standards.
Flange specifications
| Flange type | Face type | Materials |
|---|---|---|
| Weld neck | Raised face (RF) | ASTM A182 F316 / F304 |
| Blind / plate | Flat face (FF) | Aluminium / iron / stainless |
| Lap joint | Van Stone | Carbon steel / stainless |
Product examples
Weld neck flanges 
Blind plate flanges 
Lap joint flanges 
Spectacle blind flanges
Other products
Tell us what your project needs
Send us the grade, size, rating and quantity you need, and we will prepare a quotation.