Zeron Fasteners is a reputed manufacturer and supplier of UNS S31803 Flanges, designed for use in demanding duplex & super duplex applications. Our flanges are built for strength, corrosion resistance, and long-lasting performance in harsh industrial environments.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Application / Service |
|---|---|---|---|
| ASTM A105 (Carbon Steel) | ≈ 483 (70 ksi) | ≈ 248 (36 ksi) | General piping, oil & gas |
| ASTM A182 F304 (Stainless Steel) | 515 (75 ksi) | 205 (30 ksi) | Corrosion‑resistant: chemical, marine, food |
| ASTM A182 F55 (Super Duplex Stainless) | 750–895 (109–130 ksi) | 550 (80 ksi) | High-strength, corrosive environments |
| ASTM A182 UNS S30815 (Duplex/Stainless) | 600 (87 ksi) | 310 (45 ksi) | High-temperature / corrosive applications |