Alloy 601

Alloy 601 also referred to as the UNS N06601 and W.Nr. 2.4851 alloy.

This alloy is a general-purpose engineering material for applications that require resistance to heat and corrosion.

The alloy also has good resistance to aqueous corrosion, has high mechanical strength, and is readily formed, machined and welded.

The composition is a facecentered- cubic solid solution with a high degree of metallurgical stability.

The alloy’s nickel base, in conjunction with substantial chromium content, provides resistance to many corrosive media and hightemperature environments. Oxidation resistance is further enhanced by the aluminum content.

The properties of alloy 601 make it a material of broad utility in such fields as thermal processing, chemical processing, pollution control, aerospace, and power generation.

Chemical-processing applications for alloy 601 include process heaters, condenser tubes in sour-water strippers, and insulating cans in ammonia reformers. The alloy is also used for combustor components and catalyst grid supports in equipment for nitric acid production.

In petrochemical processing, the alloy is used for catalyst regenerators and air preheaters in the manufacture of high-density polyethylene.

The 601 alloy is also used for jet-engine igniters and for combustion-can liners, diffuser assembles, and containment rings in gas turbines for aircraft, industrial, and vehicular applications.