Introduction to Iron-Nickel-Cobalt Powder Metal Strip

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Introduction to Iron-Nickel-Cobalt Powder Metal Strip

The Nickel mesh alloy consisting of Iron, Nickel and Cobalt is basically used for Hermetic Seals with tough Glasses and Ceramics. When it is compared with other mesh products it offers more enhanced properties such as higher conductivity to current, higher thermal conductance, lower softening temperature, lower performance hardening temperature, enhanced soldering, enhanced plating, countable performance to bright dip, reduced sealing bubbles and persistent fine grain size because of lower concentration of carbon such as 0.01 % to 0.004 %.

The welded wire is presented in Nickel, cobalt, Iron alloys used for particular deep draw operations and base welding sticks. The combination of pure iron in the mesh offers magnetic character. The high purity and nominal concentration of carbon is additional advantage. The cobalt strip is widely used in the deep draw operations as well as welding rods. The pure cobalt is operated in the form of anodes during the electroplating process and large temperature purposes.

Other alloy products like 377 alloy is used as a substitute of beryllium copper. It is also used in the electronic joints, switches and springs. The large strength, thermal inertness and easy to manufacture and solder and rust protection properties make this alloy vital. It consists of Nickel up to 14.5 to 15.5%, Tin up to 7.5 to 8.5%, Other Elements up to 0.10 %, lastly copper and other elements are present up to 99.9%. It offers electrical Conductivity at 68º F up to 7.8% and electrical conductivity at 392º F up to 7.3%.

The 388 alloy is used in the electronic joints, connectors, sockets and switches. It is featured with large conductance, large strength, and opposition to stress relaxation at the large temperature. It doesn't cause any unevenness while the aging process, better soldering, superior grain size and suitable corrosion resistance.The chemical composition of 388 alloy is: Nickel is present by 7.0% to 8.0%, Tin is present by 4.5% to 5.5%, Copper is balanced. It offers electrical Conductivity at 68º F by 14 to 15%. The specification of this nickel mesh is round : 0.005" Though 0.250", square : 0.010" Through 0.375" and flat : 0.008" X 0.018″ and 0.250 " X 0.750".

Metallurgy Capabilities	Alloys
Copper	Nickel Silver (Cupronickel)
	Nichrome , Copper –Nickel – Indium
	Bronze
	Phosphor Bronze
	Silicon Bronze
	Brass (Various)
	Leaded Brass
	Tin Brass
	Spinodal (Cu-Ni-Sn)

Besides of Nickel mesh the other nickel alloys made of highly pure nickel are:

Ni 200 with (99.80 % Ni negligible), Ni 201 with (99.60 % Ni negligible), Ni 270 with (99.97 % Ni negligible). The alloys in the dispersed phase are Ni 205 with (99.60 % Ni negligible), Ni 205 with (99.50 % Ni negligible) and Ni 205 with 99.60 % Ni negligible).

Dispersed phase alloys are certainly better to obtain the intermediate grain growth and higher heat processing temperatures. Some other popular nickel alloys are like monel alloys. The nickel alloys are introduced in the wide varieties such as Monel 400, Incoloy 825 and Incoloy 625 and others.

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