Ferrochrome nitride nitrogen (cr) additive for steelmaking. Ferrochrome nitride internal and surface shall not be non-metallic inclusions with significantly. Solid nitriding alloy surface and internal may not have obvious molten state. Ferrochrome nitride, which should have been delivered a block, each weighing not more than 15 kg, less than 10 mm * 10 mm ferrochrome nitride block amount shall not exceed 10% of the total weight.