ESPECIFICACIONES TÉCNICAS
Bolas de molienda de acero de alta calidad
La empresa Energosteel fabrica bolas de molienda de acero laminadas y forjadas con un diámetro de 20 a 125 mm. Nuestros productos están diseñados para la trituración de materias primas en plantas mineras e industriales, empresas energéticas y fábricas de cemento.
Bolas de molienda de menor tamaño
Physical parameters
| Rated diameter, mm | Nominal diameter, mm | Limit deviations from the nominal diameter, mm | Number of balls perm³, pcs. | Bulk weight, t/m³ | Calculated nominal surface, cm² | Volume, cm | Calculated nominal weight, kg |
| 20 | 20 | ± 1,0 | 30 300 | 4,81 | 12,56 | 4,18 | 0,033 |
| 25 | 25 | ± 1,0 | 15 625 | 4,80 | 19,52 | 8,18 | 0,064 |
| 30 | 31,5 | ± 2,0 | 7 812 | 4,75 | 31,15 | 16,40 | 0,128 |
| 40 | 41,5 | ± 2,0 | 3 401 | 4,73 | 54,00 | 37,40 | 0,294 |
Technical information
| Size, mm | “Average C” | “High C” | “High C + Cr” | |||
| С (0,50 % - 0,70 %) | С (0,70 % - 1,00 %) | С (0,70 % - 1,00 %) Cr (0,35 % - 1,50 %) | ||||
| Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | |
| 20 | 55 – 62 | 50 – 60 | 60 – 65 | 58 – 65 | 62 – 66 | min. 60 |
| 25 | 55 – 62 | 50 – 60 | 60 – 65 | 58 – 65 | 62 – 66 | min. 60 |
| 30 | 55 – 62 | 50 – 60 | 60 – 65 | 58 – 65 | 62 – 66 | min. 60 |
| 40 | 55 – 62 | 50 – 60 | 60 – 65 | 58 – 65 | 62 – 66 | min. 60 |
Bolas de molienda de tamaño medio
Physical parameters
| Rated diameter, mm | Nominal diameter, mm | Limit deviations from the nominal diameter, mm | Number of balls perm³, pcs. | Bulk weight, t/m³ | Calculated nominal surface, cm² | Volume, cm | Calculated nominal weight, kg |
| 50 | 52 | ± 3,0 | 1 724 | 4,71 | 84,90 | 74,00 | 0,580 |
| 60 | 62 | ± 3,0 | 1 020 | 4,69 | 120,70 | 125,00 | 0,980 |
| 70 | 73 | ± 3,0 | 625 | 4,62 | 167,33 | 204,00 | 1,600 |
| 80 | 83 | ± 3,0 | 425 | 4,60 | 216,31 | 299,00 | 2,350 |
| 90 | 94 | ± 4,0 | 293 | 4,58 | 277,45 | 435,00 | 3,410 |
Technical information
| Size, mm | “Average C” | “High C” | “High C + Cr” | |||
| С (0,50 % - 0,70 %) | С (0,70 % - 1,00 %) | С (0,70 % - 1,00 %) Cr (0,35 % - 1,50 %) | ||||
| Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | |
| 50 | 53 – 60 | 50 – 57 | 58 – 65 | 57 – 63 | 60 – 64 | min. 60 |
| 60 | 53 – 60 | 45 – 50 | 57 – 63 | 52 – 58 | 60 – 64 | min. 60 |
| 70 | 53 – 60 | 40 – 50 | 57 – 63 | 50 – 55 | 60 – 64 | min. 58 |
| 80 | 52 – 57 | 40 – 50 | 57 – 63 | 47 – 53 | 58 – 62 | min. 56 |
| 90 | 52 – 57 | 40 – 47 | 57 – 63 | 45 – 47 | 58 – 62 | min. 56 |
Bolas de molienda para molinos tipo SAG
Physical parameters
| Rated diameter, mm | Nominal diameter, mm | Limit deviations from the nominal diameter, mm | Number of balls perm³, pcs. | Bulk weight, t/m³ | Calculated nominal surface, cm² | Volume, cm | Calculated nominal weight, kg |
| 100 | 104 | ± 4,0 | 216 | 4,54 | 339,60 | 589,00 | 4,620 |
| 110 | 114 | ± 5,0 | 164 | 4,53 | 408,00 | 776,00 | 6,090 |
| 120 | 125 | ± 5,0 | 124 | 4,52 | 490,60 | 1023,00 | 8,030 |
| 125 | 130 | ± 5,0 | 124 | 4,51 | 490,60 | 1023,00 | 8,030 |
Technical information
| Size, mm | “Average C” | “High C” | “High C + Cr” | |||
| С (0,50 % - 0,70 %) | С (0,70 % - 1,00 %) | С (0,70 % - 1,00 %) Cr (0,35 % - 1,50 %) | ||||
| Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | Surface hardness, HRC | Volumetric hardness, HRC | |
| 100 | 52 – 57 | 40 – 47 | 56 – 63 | 45 – 47 | 58 – 62 | min. 56 |
| 110 | 50 – 55 | 35 – 45 | 56 – 63 | 42 – 45 | 56 – 62 | min. 56 |
| 120 | 50 – 55 | 35 – 45 | 56 – 63 | 42 – 45 | 56 – 62 | min. 56 |
| 125 | 50 – 55 | 35 – 45 | 56 – 63 | 42 – 45 | 56 – 62 | min. 56 |













