Inconel 600/601 (UNS N06600/N06601)

1. Basic Overview

  • Inconel 600 (N06600): Ni-Cr-Fe alloy, excellent corrosion & heat resistance, non-magnetic, good creep strength.
  • Inconel 601 (N06601): Improved high-temperature oxidation & carburization resistance with Al addition.

2. Chemical Composition (wt%, typical)

ElementInconel 600 (N06600)Inconel 601 (N06601)
Ni72.0 min60.0 min
Cr14.0–17.021.0–25.0
Fe6.0–10.0Balance
Al1.0–1.7
C≤0.15≤0.10
Mn≤1.0≤1.0
Si≤0.5≤0.5

3. Mechanical Properties (Annealed, Room Temperature)

PropertyInconel 600Inconel 601
Tensile Strength≥ 550 MPa≥ 600 MPa
Yield Strength≥ 240 MPa≥ 240 MPa
Elongation≥ 30%≥ 30%
Density8.47 g/cm³8.11 g/cm³

Key Features

  • Inconel 600:Excellent resistance to chloride SCC, good oxidation up to 1150°C,good corrosion in neutral/alkaline environments.
  • Inconel 601:Superior oxidation & carburization resistance,excellent high-temperature stability,good mechanical properties at elevated temps.

Typical Applications

  • Furnace parts, heat treatment fixtures, thermocouple sheaths
  • Petrochemical, chemical processing, gas turbine components
  • Heat exchangers, catalyst tubes, industrial heating equipment