Materials and Construction
Duriron is

Acid resistant, brittle and very hard
High silicon iron
Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion
All of these

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Materials and Construction
Nickel as a material of construction

Dimagnetic
Is paramagnetic below 415° C (its Curie temperature)
Is used as an alloying element for both ferrous & non-ferrous alloys
Has a body centred cubic (bcc) crystal lattice structure

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