Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
1. Specifications for Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
Size:from 20mm to 150mm(0.75''-6'')
Surface hardness to55-67HRC, volume hardness of 50-63HRC
Endurance test times>10000
Impact toughness test>12AK.J/CM2
Material: HN-65MN,HN-75MNCr,HN-40MNCr or as client's special needs.
Chromium percentage: from 0.25 to 1.1%.
Heat treatment: cycles.
Production Technical: traditional hammer forging; Upsetting forged; Rolling forged
Application :Mining ,Cement plant, ,Power station,and other grinding industries
Certification:SGS/TUV/BV/COTECNA/ISO9001:2008
2. Chemical Composition for Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
Material | C | Mn | Si | Cr | S | P | Cu | Mo |
45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
50Mn | 0.48-0.56 | 0.70-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
65Mn | 0.62-0.70 | 0.90-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
B-1 | 0.52-0.65 | 0.60-1.20 | 0.17-0.37 | 0.25max | 0.035max | 0.035max | - | - |
B-2 | 0.50-0.80 | 0.60-0.80 | 0.17-0.37 | 0.90-1.10 | 0.035max | 0.035max | - | - |
B-3 | 0.72-0.92 | 0.70-1.00 | 0.17-0.37 | 0.50-0.90 | 0.035max | 0.035max | - | - |
3. Production Process for Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
a). Raw Material
b). Cutting
c) Heating
d) Forging
e). Quenching
f). Tempering
g). Testing
h). Qualified products
i). Packing
g). Transportation
4. So Testing Methods for Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
4. Packing Methods for Forged Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking
a) Container Bags: Net Weight: 1000kgs per bag, Gross Weight: 1002kgs
b) Drums: Dia20-Dia80mm, Net Weight: 900KGS/Drum, Gross Weight: 915KGS
Dia90-Dia150mm, Net Weight: 850KGS/Drum, Gross Weight: 865KGS
