Steel balls

Mining

Steel bals are also known as forged grinding media balls or forged mill balls.
Application: Super SAG for SAG mills; Grind for ball mills.
Ball size: 30 mm, 40 mm, 50 mm, 60 mm, 80 mm, 100 mm, 120 mm

IMO: not regulated
UN: not regulated
Packaging: drums or BB

Parameter Unit Standard Steel grade 40ХН2МА Standard Steel grade 70 Standard Steel grade 65G Standard Steel grade 75
C % 0,37 - 0,44 0,67 - 0,75 0,62 - 0,7 0,72 - 0,8
Si % 0,17 - 0,37 0,17 - 0,37 0,17 - 0,37 0,17 - 0,37
Mn % 0,5 - 0,8 0,5 - 0,8 0,9 - 1,2 0,5 - 0,8
Ni % 1,25 - 1,65 Up to 0,25 Up to 0,25 Up to 0,25
S % Up to 0,025 Up to 0,035 Up to 0,035 Up to 0,035
P % Up to 0,025 Up to 0,035 Up to 0,035 Up to 0,035
Cr % 0,6 - 0,9 Up to 0,25 Up to 0,25 Up to 0,25
Mo % 0,15 - 0,25
Cu % Up to 0,3 Up to 0,2 Up to 0,2 Up to 0,2
Fe % ~95 ~97 ~97 ~97
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