Our Scrap Metal Products AUTO SHREDDED Auto Shredded refers to processed scrap materials from automobiles, sorted and prepared for recycling or further industrial use. Grade ISRI-210-211 Density 70 grams + HEAVY MELTING SCRAP (HMS) Heavy Melting Scrap consists of used steel and wrought iron pieces, which are classified into two grades: HMS1 and HMS2. Grade 1 & 2 *(80/20 & 90/10 available)