Lead ingots
Grade lead content points silver maximum copper maximum double maximum such as maximum antimony maximum tin maximum zinc maximum iron maximum disc maximum you maximum total lead 99.99499.9940.00080.0010.0040.00050.00080.00050.00040.0005–0.006 Lead 99.99099.9900.00150.0010.0100.00050.00080.00050.00040.00100.00020.00020.010 lead 99.98599.
| 年级 | 铅含量 分 | 银 最大值 | 铜 最大值 | 双 最大值 | 如 最大值 | 锑 最大值 | 锡 最大值 | 锌 最大值 | 铁 最大值 | 光盘 最大值 | 你 最大值 | 总 |
| 铅99.994 | 99.994 | 0.0008 | 0.001 | 0.004 | 0.0005 | 0.0008 | 0.0005 | 0.0004 | 0.0005 | – | – | 0.006 |
| 铅99.990 | 99.990 | 0.0015 | 0.001 | 0.010 | 0.0005 | 0.0008 | 0.0005 | 0.0004 | 0.0010 | 0.0002 | 0.0002 | 0.010 |
| 铅99.985 | 99.985 | 0.0025 | 0.001 | 0.015 | 0.0005 | 0.0008 | 0.0005 | 0.0004 | 0.0010 | 0.0002 | 0.0005 | 0.015 |
| 铅99.970 | 99.970 | 0.0050 | 0.003 | 0.030 | 0.0010 | 0.0010 | 0.0010 | 0.0005 | 0.0020 | 0.0010 | 0.0010 | 0.030 |
| 铅99.940 | 99.940 | 0.0080 | 0.005 | 0.060 | 0.0010 | 0.0010 | 0.0010 | 0.0005 | 0.0020 | 0.0010 | 0.0020 | 0.060 |
