... SUS302 used for shot blasting peening long durability Stainless steel shot / stainless steel cut wire shot :Produced by adopting the ... of Aluminium, Non Ferrous Metals, Zinc Alloys, Stainless Steel precision etc.. it makes the surface of workpiece ... aviation, steel plate, cylinder, steel structure, metallurgy machinery etc. surface improvement.Packing: 25kg/bag, 40bags/palletor drum/barrel packing, ...