çããå· Grades | åå¦æ份% Chemical Composition | |||||||||||
 | W | C | P | S | Si | Mn | Cu | As | Bi | Pb | Sb | Sn |
 |  | ä¸å¤§äºMax | ||||||||||
FeW80-A | 75.0-85.0 | 0.10 | 0.03 | 0.06 | 0.5 | 0.25 | 0.10 | 0.06 | 0.05 | 0.05 | 0.05 | 0.06 |
FeW80-B | 75.0-85.0 | 0.30 | 0.04 | 0.07 | 0.7 | 0.35 | 0.12 | 0.08 | / | / | 0.05 | 0.08 |
FeW80-C | 75.0-85.0 | 0.40 | 0.05 | 0.08 | 0.7 | 0.50 | 0.15 | 0.10 | / | / | 0.05 | 0.08 |
FeW70 | â¥70.0 | 0.80 | 0.06 | 0.10 | 1.0 | 0.60 | 0.18 | 0.10 | / | / | 0.05 | 0.10 |
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