... )→ Rust Removing→ Acid Washing→ Boiling→ Drying→Oil coated → Wire coiling → Packaging Weight per roll: Generally 0.5kg, 1kg, 2kg, 4kg, 5kg ... , 25kg, 28kg, 50kg, 100kg, 600kg etcTensile strength: 350-550N/mm2Packing: Plastic film inside and hessan cloth or weaving bag outside (Picture 3 ...