139.53 US Tons of Brass Coated Tire Cord - on 99 pallets -new on spools - 200 full spools (48# each) Chemical Name / Weight % Iron (Fe) / balance Carbon (C) / 0.67~0.96 Silicon (Si) / 0.20 ~0.35 Manganese (Mn) / 0.40~0.60 Phosphorus (P) / 0.025 Sulfur (S) / 0.025 Copper (Cu) / 0.20-0.40 Zinc (Zn) / 0.10-0.40