Materials and Construction
Hastelloy C is a good material of construction in chemical process industry, since it is

Relatively inexpensive although it can be fabricated with some difficulty
Highly corrosion resistant and is readily fabricated
Light and resists attack by acids
Corrosion resistant to most alkalis, particularly because of its coper content

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Materials and Construction
Pure nickel is

Ferromagnetic at room temperature
Not resistant to oxidation at high temperature
Ferromagnetic above its curie point (i.e., 415°C)
Having h.c.p. crystal lattice

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Materials and Construction
Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its

Its ability to be cast, rolled, forged & stamped
Low temperature strength properties
High strength and corrosion & oxidation-resistance at elevated temperature
High strength to weight ratio

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