Sn99.3Cu0.7φ0.8 60g Sn99.3Cu0.7φ0.8 80g Sn99.3Cu0.7φ1.0 125g Sn99.3Cu0.7φ1.0 150g Sn99.3Cu0.7φ1.0 180g Sn99.3Cu0.7Φ1.0 250G Sn99.3Cu0.7φ1.0 30g Sn99.3Cu0.7Φ1.0 500G Sn99.3Cu0.7Φ1.0 50G Sn99.3Cu0.7φ1.0 60g