SC
Specelex
Duplex Stainless

2205 Duplex Stainless

Duplex (ferritic-austenitic) stainless with high Cr and Mo for stress corrosion cracking resistance in oil & gas.

Composition

ElementRange
FeBalance
Cr22–23%
Ni4.5–6.5%
Mo3–3.5%
N0.14–0.20%

XRF Notes

PMI programs verify Cr, Ni, Mo ratios. Specelex Grade ID supports duplex libraries.

ASTM A790UNS S32205EN 1.4462

Properties

  • High strength vs austenitic grades
  • Excellent SCC resistance
  • NACE MR0175 relevant

Applications

  • Oil & gas pipelines
  • Desalination plants
  • Chemical tanks

Related Applications

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