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it is durable and the material is somewhat cost-effective.
non reactive
By combining the best properties of each material.
It compresses well and it's moreeconomicalthan otherchemicals.
alloys with special properties
it is durable and the material is somewhat cost-effective.
The material properties are suitable for the purpose,(color, shape, corrosion resistant....) and they're cheap to make.
Are you asking what material is a compass needle made from? It that is your question, you need to keep in mind that the material used must have magnetic properties. Research the Iron Triad from the Periodic Table.
Although Cast Iron is very useful and is quite tough this also makes it a more brittle form of Iron. As well as having a fairly low Modulus of elasticity (or Young's Modulus), and therefore it does not have the required capabilities that would make it suitable for a car spring
I'm not sure. Just as long as they aren't Jewish I'll be able to sleep tonight...
non reactive
The answer depends on what its "job" is.
It will have different properties.
Pure iron (Fe), mixed with carbon to produce 'steel', Chromium is added to steel to make it resistant to rust. copper, Titanium annd vanadium are the alloys which make it more suitable for specific uses,
By combining the best properties of each material.
Just iron, since it is a raw material already.
Cast iron