Materials and Construction
Duriron is

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

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Materials and Construction
Zinc is not used

As anode for corrosion prevention in boiler
For producing zinc base die casting alloys
As an alloying element in various bronzes
In its oxide form as pigments

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