High Chrome Casting grinding balls
Size:20mm-150mm
Hardness:HRC58-65
Chrome Content:11-27%
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NAME
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BRAD
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CHEMICAL ELEMENTS
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C
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Si
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Mn
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Cr
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Mo
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Cu
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Ni
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P
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S
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HI-CR CASTING BALL
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ZQCr26
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2.0-2.8
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≤1.0
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0.5-2.0
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22-28
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0-1.0
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0-2.0
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0-1.5
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≤1.0
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≤0.06
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HI-CR CASTING BALL
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ZQCr20
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2.0-2.8
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≤1.0
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0.5-2.0
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18-22
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0-2.5
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0-1.2
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0-1.5
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≤1.0
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≤0.06
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HI-CR CASTING BALL
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ZQCr15
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2.5-3.2
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≤1.0
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0.5-2.0
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10-17
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0-3.0
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0-1.0
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0-1.5
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≤1.0
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≤0.06
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HI-CR CASTING BALL
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ZQCr8
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2.1-3.2
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≤1.0
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0.5-2.0
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6-10
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1-1.0
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0-0.8
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0-1.5
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≤1.0
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≤0.06
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HI-CR CASTING BALL
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ZQCr2
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2.2-3.6
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≤1.0
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0.5-2.0
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1.0-3.0
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0-1.0
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0-0.8
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-
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≤1.0
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≤0.10
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HI-CR CASTING BALL
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ZQSi3
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3.2-3.8
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≤1.0
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2.0-3.0
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-
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-
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-
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-
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≤1.0
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≤0.03
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NAME
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BRAD
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SURFACE HARDNESS
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ENDURANCE IMPACT TEST(TIMES)
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QUENCHED
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UNQUENCHED
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|||
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HI-CR CASTING BALL
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ZQCr26
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≥56
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≥45
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≥8000
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HI-CR CASTING BALL
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ZQCr20
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≥56
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≥45
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≥8000
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HI-CR CASTING BALL
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ZQCr15
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≥56
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≥49
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≥8000
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HI-CR CASTING BALL
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ZQCr8
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-
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≥48
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≥8000
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HI-CR CASTING BALL
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ZQCr2
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-
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≥45
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≥8000
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HI-CR CASTING BALL
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ZQSi3
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≥50
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-
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≥8000
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