Inconel 601* Specification
*Trade name of Special Metals Group of Companies

  • W.NR 2.4851
  • UNS N06601
  • AWS 011

Applicable Standards:

  • ASTM B166

A Nickel-Chromium alloy with an addition of aluminium to give outstanding resistance to oxidation and other forms of high temperature corrosion. It also has high mechanical properties at elevated temperatures.

Good Mechanical Properties at Elevated Temperatures Yes
Corrosion Resistant at Ambient Temperatures Yes
Corrosion Resistant & Good Mechanical Properties at Elevated Temperatures Yes
Oxidation Resistant Yes
Precipitation Hardenable No

Applications include:

  • Petrochemical Processing
  • Industrial Furnaces
  • Gas Turbine Components
  • Heat Treating Equipment
Approximate Chemical Composition
Ni 58 - 63%
Cr 21 - 25%
Fe BAL
Al 1.0 - 1.7%
Properties
DENSITY 8.11 g/cm3 0.293 lb/in3
MELTING POINT 1411°C 2571°F
COEFFICIENT OF EXPANSION 13.75 µm/m °C
(20 - 100°C)
7.6 x 10-6 in/in °F
(70 - 212°F)
MODULUS OF RIGIDITY 81.2 kN/mm2 11777 ksi
MODULUS OF ELASTICITY 206.5 kN/mm2 29951 ksi
CONDITION OF SUPPLY HEAT TREATMENT (AFTER FORMING)
Annealed/Spring Temper Stress relieve at 480 - 870°C (900 - 1600°F) for 1 hour and air cool.
(temperature depends on composition and amount of cold work)
CONDITION APPROX TENSILE STRENGTH APPROX SERVICE TEMPERATURE
Annealed 700 - 900 N/mm2 102 - 131 ksi -200 to +340°C -330 to +645°F
      (for lightly stressed applications)
Spring Temper 1200 - 1450 N/mm2 174 - 210 ksi -200 to +340°C -330 to +645°F
      (for lightly stressed applications)
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