Dia 30mm B2 forged grinding steel ball for mall mill
USD $700 - $1,000 /Ton
Min.Order:25 Tons
Beijing Baska Guanhua Technology Co., Ltd.
1. Pictures of Dia 30mm B2 forged grinding steel ball for mall mill
2. Details of Dia 30mm B2 forged grinding steel ball for mall mill
Diameter | Equipment | ||
100-160mm(4"-6 1/2'') | SAG mills | ||
20-100mm(4/5''-4'') | Ball mills |
Ball diameter | Diameter tolerance | Weight of single ball in average | Number of piece of one ton ball in average | Surface hardness | Core hardness | Impact toughness |
(mm) | (mm) | (g) | (pcs) | (HRC) | (HRC) | (J/cm2) |
Φ20 | +2,-1 | 32 | 31250 | 60-67 | 57-62 | ≥12 |
Φ25 | +2,-1 | 64 | 15625 | 60-67 | 57-62 | ≥12 |
Φ30 | +2,-1 | 110 | 9090 | 60-67 | 57-62 | ≥12 |
Φ40 | +2,-1 | 263 | 3802 | 60-67 | 57-62 | ≥12 |
Φ50 | +2,-1 | 513 | 1949 | 60-67 | 57-62 | ≥12 |
Φ60 | +3,-2 | 888 | 1126 | 58-65 | 50-56 | ≥12 |
Φ70 | +3,-2 | 1410 | 709 | 58-65 | 50-56 | ≥12 |
Φ80 | +3,-2 | 2104 | 475 | 58-65 | 50-56 | ≥12 |
Φ90 | +3,-2 | 2996 | 333 | 58-65 | 50-56 | ≥12 |
Φ100 | +3,-2 | 4110 | 243 | 58-65 | 50-56 | ≥12 |
Φ110 | +4,-2 | 5457 | 182 | 55-63 | 48-55 | ≥12 |
Φ120 | +4,-2 | 7102 | 140 | 55-63 | 48-55 | ≥12 |
Φ130 | +4,-2 | 9030 | 110 | 55-63 | 48-55 | ≥12 |
Φ140 | +4,-2 | 11278 | 88 | 55-63 | 45-50 | ≥12 |
Φ150 | +4,-2 | 13871 | 72 | 55-63 | 45-50 | ≥12 |
3. Different steel specifications ccording to the clients's requirements.
Chemical Components
Type | Chemical components | |||||
C | Mn | Si | Cr | S | P | |
45# | 0.42-0.50 | 0.50-0.8 | 0.17-0.37 | ≤0.25 | ≤0.045 | ≤0.040 |
50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
B2 | 0.75-0.85 | 0.70-0.9 | 0.17-0.37 | 0.5-0.8 | ≤0.030 | ≤0.030 |
Packing: white ton bags or steel drums according to customer's requirements
Shipping: Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed
Payment terms : T/T (30% DP,balance against copy of B/L.; L/C
Samples : Free samples are provided for test before trial order
MOQ : 20 Ton