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Alloy 601

Wst. 2.4851

UNS N06601

Stock program: Available on request

Specification: ASTM B 167/ASME SB 167 / EN10216-5/EN ISO 1127 / NACE MR0175

Maximum service temperature: 1200°C / 2200°F


Alloy 601 is a nickel chromium alloy used for applications that require resistance to corrosion and heat. The composition is a face-centered-cubic solid solution with a high degree of metallurgical stability. It provides resistance to many corrosive media in high temperature environments. The oxidation resistance is further enhanced by the aluminum content. The alloy 601 develops a tightly adherent oxide scale which resists pitting and chloride stress corrosion cracking even under conditions of severe thermal cycling. This alloy has a good high temperature strength and retains its ductility after long service exposure.


Characteristics

  • Oxidation resistance by high temperatures
  • Highly resistant to carburization
  • High mechanical strength
  • Good creep rupture strength
  • Good weldability
  • Not suggested for use in strongly reducing, sulfur leaving environments

Market applications:

  • Heat treating industry
  • Chemical processing
  • Power plants
  • Aerospace
  • Industrial furnaces

Technical details

Technical composition (%) Fe Cr Ni Mn Cu Si P C S Ti Al Co
601 min   Bal.   21.0   58.0   -   -   -   -   -   -   -   1.0   -
  max   -   25.0   63.0   1.00   0.5   0.5   0.02   1.0   0.015   0.5   1.7   1.0
Mechanical properties 601
Tensile strenght (mpa, min)   550
Yield strength (0.2% offset mpa, min)   205
Elongation (%, min)   30
Density / weight (g / cm3 / kg)   8.11

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