During solidification of ductile iron is the behaviour is contractive or expansive?

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Daniel Martinez Krahmer

I dont understand what is constant load?

César Antunes de Freitas

Maybe this could be interesting to you;

http://www.gietech.be/LinkClick.aspx?fileticket=DqjJFJJkrcg%3D&

Thanks you so much Cesar. The information is very interesting for me.

Dr Thoguluva Raghavan Vijayaram

Only contraction. It is due to the presence of graphitic nodules in the matrix of pearlite and ferrite in Ductile cast iron (Nodular cast iron)