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Stainless steel shot: Adopting the Drawing into wire, cutting, grinding into roundness and other procedures to make. The surface is bright, no rust, round dew form (cutting ball, column form). It extensive applied in the surface of treatment of shot blasting, such as Cu, Al, Zn and Stainless steel ball etc.. it can make the surface of work piece finishing afer processed, extend metal substance and dont rust, however, neednt acid washing and the wear-resistance is 3-5 multiple to casting steel ball,. Certainly, it can reduce product manufacturer cost. Main chemistry: SUS, 304 Autensite C≈0.08% Mn≈0.9% Cr≈18% Ni≈9% SUS, 430 Martensite C≈0.10% Mn≈1.2% Cr≈15% Density: Round ball 7.9g/cm³; Cutting ball: 7.8g/ cm³ Size: ø0.2mm-ø1.5mm(else customized) Hardness:400-600HV