Sfere di Macinazione / B3
B3 Sfere per Mulini
C: 0.70–0.90%, Cr: 0.80–1.20%, Mo: 0.20–0.50% | 62–66 HRC
High-impact and abrasive grinding environments
Specifiche Tecniche
Composizione Chimica
C: 0.70–0.90%, Cr: 0.80–1.20%, Mo: 0.20–0.50%
Durezza
62–66 HRC
Applicazione
High-impact and abrasive grinding environments
Gamma Diametri
Φ20 mm – Φ150 mm
Norme
GB/T 17445, ISO 3290, ASTM A532
Trattamento Termico
Quenching & Tempering
Tabella Dimensioni
| Diametro | Peso | Durezza | Tolleranza |
|---|---|---|---|
| 30 mm | 0.111 kg | Superficie > 58 HRC, Nucleo > 57 HRC | ±2 mm |
| 40 mm | 0.264 kg | Superficie > 58 HRC, Nucleo > 57 HRC | ±2 mm |
| 50 mm | 0.515 kg | Superficie > 58 HRC, Nucleo > 55 HRC | ±3 mm |
| 60 mm | 0.890 kg | Superficie > 58 HRC, Nucleo > 55 HRC | ±3 mm |
| 70 mm | 1.413 kg | Superficie > 58 HRC, Nucleo > 55 HRC | ±3 mm |
| 80 mm | 2.110 kg | Superficie > 58 HRC, Nucleo > 55 HRC | ±3 mm |
| 90 mm | 3.004 kg | Superficie > 58 HRC, Nucleo > 55 HRC | ±4 mm |
Altri Gradi
60Mn
Composizione Chimica: C: 0.55–0.65%, Mn: 0.70–1.00%
Durezza: 55–60 HRC
Cement and limestone grinding mills
65Mn
Composizione Chimica: C: 0.65–0.75%, Mn: 0.90–1.20%
Durezza: 58–63 HRC
Metal ore and hard rock grinding
B2
Composizione Chimica: C: 0.70–0.85%, Cr: 0.40–0.80%, Mn: 0.50–1.00%
Durezza: 60–65 HRC
Iron ore, coal and clinker grinding circuits
HIGH-CR
Composizione Chimica: C: 1.00–1.30%, Cr: 10–12%
Durezza: 60–68 HRC
Gold, copper and highly abrasive ore grinding