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I - Chamber Grinding Media
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17% Cr Grinding Media for IInd Chamber
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50 mm
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1 % Cr - .
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40 mm
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11% Cr - 3.3% C
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30 mm
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11% Cr - 3.3% C
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25 mm
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11% Cr - 3.3% C
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20 mm
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11% Cr - 3.3% C
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17 mm
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11% Cr - 3.3% C
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Technical Specification II - Chamber Grinding Media Ball Sizes : 50, 40, 30, 25, 20, 17 & 15 mm CASTACHROME - 12
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Element
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C
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Si
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Mn
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Cr
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Ni
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Mo
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S
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P
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Cr/C
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Hardness
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Min %
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2.7
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0.3
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0.7
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11.0
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-
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-
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-
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-
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4.81
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63.0 HRc
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Max %
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3.2
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0.80
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1.2
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13.0
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-
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-
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0.05
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0.05
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3.44
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67.0
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Microstructure : Microstructure is predominantly discontinuous eutectic chromium carbides in matrix of tempered martensite Free Graphite = 0.00 Pearlite = 1.00 % (max) Retained Austenite = 20.00% (max) Heat Treatment : Hardening Hardening is done by heating casting to 850 C - 950 C and oil quenched.
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