Lead Alloy > D31
| Chemical Specification | Analysis (%) |
| Sb | ≤ 0.0010 |
| As | ≤ 0.0010 |
| Sn | 0.9000 - 1.1000 |
| Cu | ≤ 0.0010 |
| S | ≤ 0.0010 |
| Ca | 0.0800 - 0.1000 |
| Al | 0.0090 - 0.0180 |
| Bi | 0.0290 |
| Ag | ≤ 0.0020 |
| Zn | ≤ 0.0010 |
| Fe | ≤ 0.0020 |
| Ni | ≤ 0.0010 |
| Pb | Balance |
| Available brand: Nyrstar | |