| ** 號 | 化 學 成 份，% | |||
| Si | Fe | Cu | ||
| 1A99 | 0.003 | 0.003 | 0.005 | |
| 1A97 | 0.015 | 0.015 | 0.005 | |
| 1A95 | 0.03 | 0.03 | 0.01 | |
| 1A93 | 0.04 | 0.04 | 0.01 | |
| 1A90 | 0.06 | 0.06 | 0.01 | |
| 1A85 | 0.08 | 0.1 | 0.01 | |
| 1A80 | 0.15 | 0.15 | 0.03 | |
| 1A80A | 0.15 | 0.15 | 0.03 | |
| 1070 | 0.20 | 0.25 | 0.04 | |
| 1070A | 0.20 | 0.25 | 0.03 | |
| 1370 | 0.10 | 0.25 | 0.02 | |
| 1060 | 0.25 | 0.35 | 0.05 | |