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Nickel(Ni) Mesh-Material Information

Views: 52 Author: Site Editor Publish Time: 2017-04-12 Origin: Site

Nickel is a silver-white metal which occurs mainly in the sulphide and arsenic ores. It is extracted by roasting to NiO and then reducing using carbon. Pure nickel is manufactured by the Mond process, in which impure nickel is reacted with carbon monoxide (CO) to produce Ni(CO)4, which is then decomposed at 200C to yield 99.99% Ni. Nickel has an abundance of 80 ppm in the earth's crust.

Pure nickel is malleable and ductile, and is resistant to corrosion in air or water, and hence is used as a protective coating. It is readily soluble in dilute acids, but is unaffected by alkalis. Applications for nickel include its use as a constituent of various alloy types; for example, Nichrome (an alloy used for resistance heating elements), Monel (corrosion resistant material), Permalloy (an alloy with high magnetic permeability at low field strength and low hysteresis loss), stainless steel, cupro-nickel, nickel silver, etc. It is also used in coinage, as a protective coating and within food and chemical handling plants.

Nickel is classed as a carcinogen and is also an allergen to some individuals. It is found in many dietary constituents and, as such, is difficult to avoid.

The Table below shows the most popular specifications:

Specification List of Nickel Wire Mesh
Mesh/Inch	Wire Dia mmd	Mesh Opening mmw	Opening Area A%	Weight (kg/sq m)	Mesh/Inch	Wire Dia mmd	Mesh Opening mmw	Opening Area A%	Weight (kg/sq m)
20	0.40	0.870	46.9%	1.824	180	0.050	0.091	42%	0.254
40	0.25	0.385	36.8%	1.425	200	0.050	0.077	37%	0.282
60	0.120	0.303	51%	0.492	250	0.04	0.061	37%	0.226
80	0.120	0.198	38.7%	0.576	270	0.035	0.059	39%	0.186
100	0.100	0.154	36.8%	0.57	300	0.030	0.054	41%	0.152
120	0.080	0.132	38.7%	0.437	325	0.030	0.048	38%	0.165
150	0.060	0.109	41.7%	0.3078	363	0.030	0.040	32.6%	0.185
180	0.050	0.091	41.7%	0.256	400	0.030	0.033	27%	0.203