The resistivity-cost chart shows that the resistivity of steel is much higher than brass, in fact up to 1000x as much. As we don't need really need the extra strength of steel, it is better to choose brass because of its lower resistivity.
The resistivity-cost chart shows that the resistivity of steel is much higher than brass, in fact up to 1000x as much. As we don't need really need the extra strength of steel, it is better to choose brass because of its lower resistivity.