High chromium casting ball

Chemical composition Name Designation Chemical composition(%) C Si Mn Cr Mo Cu Ni P S High Chrome Cast Gringing Balls ZQCr26 2.2-2.7 ≤1.0 0.3-1.8 23-29 0-1.0 0-0.4 0-1.5 ≤0.1 ≤0.1 ZQCr20 2.2-2.8 ≤1.0 0.3-1.8 20-25 0-0.8 0-0.4 0-1.5 ≤0.1 ≤0.1 ZQCr15 2.3-2.9 ≤1.0 0.3-1.8 14-20 0-0.5 0-0.3 0-0.5 ≤0.1 ≤0.1 ZQCr13 2.5-3.0 ≤1.0 0.3-1.8 10-13 0-0.5 0-0.3 0-0.5 ≤0.1 ≤0.1 Properties Name Designation Hardness(HRC) Life span of fatigue of falling balls(times) High Chrome Cast Gringing Balls ZQCr26 ≥62 Φ≥60 ≥11000 Φ≤50 ≥12000 ZQCr20 ≥62 Φ≥60 ≥10000 Φ≤50 ≥11000 ZQCr15 ≥60 Φ≥60 ≥10000 Φ≤50 ≥11000 ZQCr13 ≥56 Φ≥60 ≥10000 Φ≤50 ≥11000 Nominaldiameter(mm)(ins)Theoreticaldiameter(mm)Approx.MassperBallgAveragenumberofBallsperMTDiametricaltolerance(mm)25126.07213,900+1.5-2.0301¼31.21258,0003536.11985,050401½41.62963,380451¾46.84212,380+1.5-2.550252.05781,730552¼57.27691,370602½62.49991,0006567.61,270790+1.5-3.5702¾72.81,58663075378.01,951510803¼83.22,367420853½88.42,839350+1.5-4.5903¾93.63,37130010098.83,964250Quality guarantee:We've established the products quality inspection systemincluding self-testing by workshop ,sampling inspection by quality inspection departmentand fianl quality inspection before shipping.Ceitificate Of Analysis, Ingredient List ,Quality-Tracking-Cards are provided.Should any of these items be of interest to you , pls let me know.Formal quotation will be sent upon receipt of detailed requirement