Loading Port:Qingdao Port
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:200000M.T./Year m.t./month
Product Description of Forged Steel Grinding Ball with no Breakage in Top Quality and Top Hardness
1)Size:from 20mm to 150mm(0.75''-6'')
2)Surface hardness to55-67HRC, volume hardness of 50-63HRC
3)Endurance test times>10000
4)Impact test>12AK.J/CM2
5)Material: HN-65MN,HN-75MNCr,HN-40MNCr meet client's special needs.
6)Chromium percentage: from 0.25 to 1.1%.
7)Heat treatment: cycles.
8)Production Technical: traditional hammer forging; Upsetting forged; Rolling forged
Type and Chemical Composition of Forged Steel Grinding Ball with no Breakage in Top Quality and Top Hardness
Brand | Grade | C | Mn | Si | Cr | S | P |
Hardness-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | 0.25max | 0.035max | 0.035max |
Hardness-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | 0.25max | 0.035max | 0.035max |
Hardness-3 | 65Mn | 0.6-0.7 | 0.9-1.2 | 0.17-0.37 | 0.25max | 0.035max | 0.035max |
Hardness-4 | 75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 | 0.03max | 0.03max |
Hardness-5 | Rail IronⅠ | 0.5-0.65 | 0.60-1.0 | 0.15-0.37 | 0.25max | 0.04max | 0.04max |
Hardness-6 | Rail IronⅡ | 0.60-0.8 | 0.90-1.2 | 0.20-0.40 | 0.20-0.8 | 0.07max | 0.03max |
Package of Forged Steel Grinding Ball with no Breakage in Top Quality and Top Hardness
iron drum(850-920kg per drum)
bag package(1000kg per bag)
