Duplex 2205

DUPLEX 2205 | UNS S31803/S32205

Description

Duplex 2205 is a chromium molybdenum blend which combines properties of both ferritic and austenitic steels. Having both a high resistance to corrosion fatigue, corrosion cracking, and erosion, Duplex 2205 is used in oil and gas, desalination plants, and industries handling chlorides.

Specifications Stocked

Form NameSize RangeSchedulesSpecifications
Welded Pipe4″ – 24″10S, 20S, 40S, 80SASTM A790 / ASME SA790
Seamless Pipe1/2″ – 12″10S, 40S, 80S, 160, XXHASTM A790 / ASME SA790
Buttweld Fittings1/2″ – 24″10S, 40S, 80S, 160ASTM A815 / ASME SA815
Flanges1/2″ – 24″150#, 300#, 600#ASTM A132 / ASME SA132
Pressure Fittings1/2″ – 2″3000# THRD/SWASTM A132 / ASME SA132

Limiting Chemical Composition %

C

Cr

Fe

Mn

Mo

N

Ni

P

S

Si

MAX
0.030

21.0 – 23.0

Balance

MAX
2.0

2.50 – 3.50

0.08 – 0.20

4.50 – 6.50

MAX
0.03

MAX
0.02

MAX
1.0

Typical Industrial Applications

  • Chemical process vessels, piping and heat exchangers
  • Pulp mill digesters, bleach washers, chip pre-steaming vessels
  • Food processing equipment
  • Oil field piping and heat exchangers
  • Flue gas desulfurization equipment

Tensile Requirements

Tensile Strength
(ksi)

Yield Strength
(ksi)

65

90

NOTE: The information and data in this product data sheet have been compiled from a variety of sources, and should be considered as a general guide only. The information and data included are accurate to the best of our knowledge, and may be revised at any time without notice. Energy Metals Inc. assumes no responsibility for the accuracy of this information.