Zeron Fasteners manufactures Duplex Steel J-Bolts that combine excellent corrosion resistance with high strength. These bolts are widely used in offshore platforms, desalination plants, petrochemical refineries, and chemical processing industries. Duplex Steel offers higher toughness and superior resistance to stress corrosion cracking compared to conventional stainless steels.
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 21 – 23 |
| Nickel (Ni) | 4.5 – 6.5 |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Nitrogen (N) | 0.08 – 0.20 |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| Duplex 2205 | 620 | 450 | 25 | 290 |