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                Shandong Jinchi Heavy Industry Joint-stock Co.,LTDis made of a fluid melt into a mold, so that the shape of the sphere is cooled, the four main elements are required in the casting process: pattern, mold, core, and part of the original template, created from the corresponding cavity in the casting material. The core is used to manufacture a pipe or hole in the final mold, which is the final output of the process. Casting can be used to form heat, liquid metal. The abrasive medium is subjected to heat treatment to achieve the combination of hardness, toughness and microstructure required to ensure the wear resistance and toughness of the composite.


                (MECHANICAL PROPERTIES)


                Items 

                 Brand

                (HRC)Surface hardness

                 Endurance impact test(Times)

                 Quenched

                 Unquenched

                 High chrome casting iron ball

                 JCCr20 

                 ≥56 

                 ≥45 

                 ≥8000 

                 High chrome casting iron ball

                 JCCr15 

                 ≥56 

                 ≥45 

                 ≥8000 

                 High chrome casting iron ball

                 JCCr13 

                 ≥56 

                 ≥49 

                 ≥8000 

                 Middlechrome casting iron ball 

                 JCCr7 

                 ---- 

                 ≥48 

                 ≥8000 

                 Low chrome casting iron ball

                 JCCr2 

                 ----- 

                 ≥45 

                 ≥8000 

                 Bainite ductile casting iron ball

                 JCsi3

                 ≥50

                 -----

                 ≥8000


                Product performance: 1) the hardness of 2) is not broken 3) the impact value of 4) the impact of high 5) the comprehensive efficiency of the mill is high.


                (SIZES OF CASTING BALLS )


                Items 

                 SZES

                Φ17Φ20Φ25

                Φ30Φ40Φ50

                Φ60Φ70Φ80Φ90

                Φ100Φ110Φ120Φ130

                Tolerance

                 +1.0 -1.0

                +2.0-1.0

                +3.0-10.

                +3.5-1.5

                 Difference between maxDiam and min diam

                 ≤ 1.0 

                 ≤ 2.0 

                 ≤ 3.0 

                 ≤ 4.0 


                 High Chrome Casting Grinding Ball. 

                Item

                Chemical Composition(%)

                C

                Si

                Mn

                Cr

                P

                S

                Mo

                Cu

                Ni

                High chrome cast grinding balls 

                ZQCr12

                2.0-3.0

                0.3-1.2

                0.2-1.0

                11-13

                ≤0.10

                ≤0.10

                0-1.0

                0-1.0

                0-1.5

                ZQCr15

                2.0-3.0

                0.3-1.2

                0.2-1.0

                14-17

                ≤0.10

                ≤0.10

                0-1.0

                0-1.0

                0-1.5

                ZQCr20

                2.0-2.8

                0.3-1.0

                0.2-1.0

                18-22

                ≤0.10

                ≤0.08

                0-2.5

                0-2.0

                0-1.5

                ZQCr26

                2.0-2.8

                0.3-1.0

                0.2-1.0

                22-28

                ≤0.10

                ≤0.08

                0-2.5

                0-2.0

                0-1.5

                Middle chrome cast grinding balls 

                ZQCr7

                2.0-3.2

                0.3-1.5

                0.2-1.0

                6.0-10

                ≤0.10

                ≤0.08

                0-1.0

                0-0.8

                0-1.5

                Low chrome cast grinding balls 

                ZQCr2

                2.0-3.6

                0.3-1.5

                0.2-1.0

                1.0-3.0

                ≤0.10

                ≤0.08

                0-1.0

                0-0.8

                --

                Bainite ductile cast grinding balls 

                ZQsi3

                3.2-3.8

                2.0-3.5

                2.0-3.0

                --

                ≤0.10

                ≤0.08

                --

                --

                --



                Application areas: cement building materials, mining and metallurgy, coal chemical industry, coal chemical machinery and other industries.

                Packing: ton bag (1000KG) (850-900KG)


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