Alloy

Annealing temperature, ˚C

Annealing temperature, ˚F

Lean Duplex, Cr + Mo ≤ 23

1010-1100

1850-2010

Medium Grade Duplex, 23 < Cr + Mo ≤ 26

1040-1100

1900-2010

High grade Duplex, 26 < Cr + Mo

1050-1150

1925-2100