Pig Iron for sale at high quantities from India. Payment Term - LC For price and specification. This Pig Iron slag is a by-product derived from the production of thermal insulating products. The byproduct is a ferrous slag which can be utilised in an electric arc furnace to produce crude steel. Physical Description On visual inspection, it appears to be made up of irregular shapes. Dimension: 300mm -1000mm Chemical Composition Its chemical composition is homogeneous and stable with Fe contents in the range of 85 +/- 5% and P contents < 0.8% S around 0.15% and C% around 3.5%. Packing: Loose in container Loading: in 20 Container.