we supply Pure iron, High Purity Iron Billet,soft iron, iron remelt ... 1).good electromagnet character.Coercive force(Hc)low,high magnetic permeability,high saturation induction density (Bs),stable magnet and ... no magnetic aging (2) high pure,electric pure iron,is full killed steel,refine ... ,so the density is high,average,good,little gas,C(ELEMENT) not more ...