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Minerals, Metals and Materials Business Directory << Plastic Pipes << Casting Ball

Casting Ball

Casting Ball
High and low chromium alloyed mini-balls
Low chromium alloyed balls, polybasic alloyed casting balls
High and low chromium alloyed casting bars
Specifications
Diameter
16*16 18*18 20*25 20*30 20*35 22*22 25*25
25*30 25*35 30*35 30*40 35*40 35*45
Chemical composition
Kinds c SI mn cr mo cu S p
Low cr alloy 2.7-3.5 1.0-1.8 0.3-0.8 0.3-1.5 0-0.6 0-0.6 less than 0.15 less than 0.15
High cr alloy 1.7-3.2 0.3-1.2 1.3-2.6 11-16 less than 2 less than 1 less than 0.08 less than 0.1
Mechanical properties
Microstructure ak hardness
Low cr alloy p+c greater than 2.0 45-50
High cr alloy m+c greater than 3.0 56-62
Low chromium alloyed balls, polybasic alloyed casting balls
Low chromium cast grinding balls chemical composition
Low chromium cast grinding balls designation chemical composition
C SI mn cr mo PS
Zqcr 2 2.0-3.3 less than 1.2 less than 1.5 1.0-3.5 less than 1.0 less than 0.15 less than 0.15
Properties and microstructure
Low chromium cast grinding balls designation (hrc) ak(j/cm 2) microstructure times of falling balls
Polybasic alloyed casting balls chemical composition
Name chemical composition(%)
C SI mu cr mo cu ni nb ti zr v b p S
Polybasic 1 1.8-3.2 0.5-1.5 0.4-1.5 3.5-8
Properties and microstructure
Name (hrc) ak(j/cm 2) microstructure times of falling balls
Polybasic 1
Polybasic 2
Specification
Ball diameter(mm) weight of each ball(kg) pcs/ton
20 0.0322 31056
25 0.063 15873
30 0.11 9091
40 0.257 3 891
50 0.50 2000
60 0.867 1153
70 1.37 729
80 2.05 487
90 2.9 345
100 4.00 250
110 5.3 188
120 6.80 147
125 7.75 129
130 8.74 114

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