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Nickel Alloys

Nickel alloys are used extensively because of their corrosion resistance, high temperature strength and their special magnetic and thermal expansion properties.

Nickel 59
Nickel 59 (bare wire) is a nickel-chromium-molybdenum alloy with extra low carbon and silicon contents. It offers excellent corrosion resistance, high mechanical strength and better thermal stability. Because of its low silicon and carbon contents and no tungsten. Arcos 59 is not prone to grain-boundary precipitation during hot forming and welding.

Nickel 61
Nickel 61 is used for gas-tungsten arc, gas-metal-arc, and submerged-arc welding of Nickel 200 and 201. It is also used for surfacing of steel. INCOFLUX® NT100 Submerged Arc Flux is used with the submerged-arc process. The reaction of titanium with carbon maintains a low level of free carbon and enables the filler metal to be used with Nickel 201. The weld metal has good corrosion resistance, particularly in alkalies. Dissimilar-welding applications for Nickel Filler Metal 61 include joining Nickel 200 and 201 to stainless steels, carbon steels, INCONEL® alloys, INCOLOY® alloys, copper-nickel alloys, and MONEL® alloys. It is also used for joining MONEL® alloys and copper-nickel alloys to carbon steels, and for joining copper-nickel alloys to INCONEL® and INCOLOY® alloys.

Nickel 141
Nickel Welding Electrode 141 is used for shielded-metal-arc welding of Nickel 200 and Nickel 201, welding the clad side of nickel-clad steel, and surfacing of steel. The reaction of titanium with carbon in the weld metal holds free carbon to a low level so that the electrode can be used with low-carbon nickel (Nickel 201). The weld metal has good corrosion resistance, especially in alkalies. The electrode is also used for dissimilar welding, including joints between Nickel 200 or 201 and various iron-base and nickel-base alloys. Nickel Welding Electrode 141 can be operated in all welding positions.

Nickel 201
Nickel 201 is a commercially pure wrought alloy having properties similar to that of alloy nickel 200, but with a lower carbon content to avoid embrittlement by inter-granular carbon at high temperatures. It is resistant to acids and alkalis, and dry gases at room temperature. Nickel 201 is also resistant to mineral acids in certain temperatures and concentrations of the solution.

Nickel 205
Nickel 205 is good for stuff too. Check the product page for chemistry data.

Nickel 600
Nickel 600 (nickel-chromium-iron) is a standard engineering material for applications which require resistance to corrosion and heat. The alloy also has excellent mechanical properties and presents the desirable combination of high strength and good workability.

Nickel 901
Nickel 901 is a high purity, nickel-base precipitation hardening alloy for welding alloys of similar composition. The alloying route for this high performance material may include combinations of vacuum induction melting, vacuum arc remelting and electroslag remelting, according to the final application and the customer’s specification. Typically, the alloy is used for gas turbine engine discs, shafts, rings, casings and seals with a maximum service temperature of around 600°C (1100°F).

Nickel 903
Nickel 903 is a low expansion, high temperature, high strength nickel-cobalt-iron filler metal used to produce high quality welds in matching base metals. Large amounts have been used for space shuttle rockets and similar vessels.

Nickel 909
Nickel 909 is a Ni-Fe-Co precipitation hardening alloy producing high strength but low thermal expansion characteristics which makes it ideal for certain gas turbine and rocket components.

Nickel Alloys are used for a wide variety of applications, the majority of which involve corrosion resistance and/or heat resistance. Some of these include:

  • Aircraft gas turbines
  • Steam turbine power plants
  • Medical applications
  • Nuclear power systems
  • Chemical and petrochemical industries
A number of other applications for nickel alloys involve the unique physical properties of special-purpose nickel-base or high-nickel alloys. These include:
  • Low-expansion alloys
  • Electrical resistance alloys
  • Soft magnetic alloys
  • Shape memory alloys