| 
| 组分 | 标准值 | 标准偏差 | 单位 |  
| C | 0.0012 | 0.0003 | (10-2) |  
| S | 0.0008 | 0.0002 | (10-2) |  
| P | (0.0001) |  | (10-2) |  
| Mn | 0.00022 | 0.00003 | (10-2) |  
| Cr | 0.00037 | 0.00005 | (10-2) |  
| Ni | 0.0011 | 0.0002 | (10-2) |  
| Cu | 0.00040 | 0.00006 | (10-2) |  
| Al | 0.00034 | 0.00006 | (10-2) |  
| V | (0.0001) |  | (10-2) |  
| Ti | (0.0001) |  | (10-2) |  
| Si | 0.0042 | 0.0004 | (10-2) |  
| Mo | 0.00014 | 0.00001 | (10-2) |  
| Co | (0.0001) |  | (10-2) |  
| Pb | (0.0001) |  | (10-2) |  
| Bi | (0.0001) |  | (10-2) |  
| As | (0.0001) |  | (10-2) |  
| Sb | (0.0001) |  | (10-2) |  
| Sn | (0.0001) |  | (10-2) |  
| Ca | 0.0017 | 0.0002 | (10-2) |  
| Mg | 0.00024 | 0.00004 | (10-2) |  
| Cd | (0.0001) |  | (10-2) |  
| Zn | (0.0001) |  | (10-2) |  |