Spherical Recarburizer for Ductile Iron

Introduction Ductile iron in a large furnace combines two requirements that are easy to meet separately and hard to meet together: the carbon source has to be clean enough not to disturb the magnesium, and dense enough to reach the bottom of a deep bath. Granules are clean but float; ordinary spheres sink but are not always specified for low sulphur and nitrogen.   What it is A spherical graphitized carburizer specified for ductile iron: low-sulphur, low-nitrogen raw material, low-ash binder, pressed into dense spheres that pass through the slag and dissolve in the lower part of the bath.   Key specifications - Form: pressed graphite spheres, size confirmed to your furnace - Sulphur: low grade for ductile iron - Nitrogen: controlled; figure per lot certificate - Fixed carbon: high-carbon graphitized base - Packing: 25 kg bags, 1,000 kg bulk bags   Where it fits - Ductile iron produced in medium and large induction furnaces - Heavy section castings where graphite shape is critical - Sh…