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Special stainless steel bars and rods are engineered for aggressive environments where standard austenitic grades encounter severe localized corrosion or insufficient mechanical strength. By combining elevated chromium, nickel, molybdenum, and nitrogen alloying elements, these specialty bars deliver supreme resistance to chloride pitting, crevice attack, and stress corrosion cracking (SCC) while offering nearly double the yield strength in duplex structures.
Explore our specialized range of high-performance austenitic, duplex, and super duplex stainless steel round bars and forged rods, featuring premier grades including 254SMO, 904L, 2205, and 2507. Manufactured to ASTM/ASME standards with complete MTC 3.1 certification and rigorous ultrasonic non-destructive testing.
| Alloy / Grade | UNS / W.Nr. | Alloy Family | Key Property | Primary Environment / Application |
|---|---|---|---|---|
| 254SMO | UNS S31254 / 1.4547 | 6% Mo Super Austenitic | High PREN (≥42) & chloride pitting resistance | Seawater intake pumps, offshore fastener studs, bleaching equipment, chemical valves |
| 904L | UNS N08904 / 1.4539 | Cu-Alloyed Austenitic | Superior sulfuric & phosphoric acid resistance | Acid plant agitator shafts, chemical reactor bolts, pharmaceutical piping supports |
| 2205 Duplex | UNS S31803 / S32205 (1.4462) | Ferritic-Austenitic Duplex | High yield strength (≥450 MPa) & SCC immunity | Oil & gas pump shafts, structural marine tie rods, chemical tanker drive shafts |
| 2507 Super Duplex | UNS S32750 / 1.4410 | 25Cr Super Duplex | Ultra-high strength & extreme pitting immunity | Subsea wellhead valves, high-pressure RO desalination pump shafts, marine fasteners |
