Alumina Grinding BallAlumina BallCeramic Grinding BallCeramic Ballhttp://www.alumina-ball.com/Dear Purchase Manager,We are one big steel group company in China and we have one branch company to supply you SAE standards steel shot, steel grit and steel cut wire shot with high quality and competitive price.Products offered:1) Steel Shot: Grain Size: S780, S660, S550, S460, S390, S330, S280, S230, S170, S110, S702) Steel Grit:Grain Size: G10, G12, G14, G16, G18, G20, G25, G40, G50, G80, G120Chemical composition of the steel shot and steel grit:C = 0.70 - 1.20 %, Mn = 0.60 - 1.20 %, Si = 0.40 - 1.20 %, S = 0.05 % Max., P = 0.05 % Max.Hardness:Steel shot: 40 - 50 HRCSteel grit: 50 - 60 HRCHardness deviation: 3.0 HRCDensity:Steel shot: 7.4 g/cm3Steel grit: 7.6 g/cm3Microstructure: Uniform structure of finely tempered MartensiteErvin life: 2800Standards: SAE J4443) Carbon steel cut wire shotChemical composition of the carbon steel cut wire shot:C = 0.45 - 0.75 %, Mn = 0.40 - 1.20 %, Si = 0.10 - 0.30 %, S = 0.04 % Max., P = 0.04 % Max.Hardness:CW 1.0 mm: 51 - 53 HRCCW 1.5 mm: 41 - 45 HRCHardness deviation: 3.0 HRCDensity: 7.8 g/cm3Microstructure: Deformed PearliteErvin life: 3200Tensile strength: 1600 - 2200Standards: SAE J441
