Carbon Steel Shot Cut Wire Shot1.0mm,1.5mm, 2.0mm, 3.0mmExternal firm is cylinder, owns high-grade wearing qualities and the strength of fatigue resistance, cut and formed the shape of the pellet by excellent equipment with high-grade steel wire.Chemical Composition: Carbon, Manganese, Silicon, Sulfur, PhosphorusHardness: 1.0mm 51-53 HRC, 1.5mm 41-45 HRCMicrostructure: Deformed PearliteDensity: 7.8g/cucm