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cu | si | fe | mn | mg | zn | cr | ti | pb.bi | al |
3.5-4.5 | 0.2-0.8 | 0.70 | 0.4-1.0 | 0.4-0.8 | 0.25 | 0.10 | 0.15 | / | ¾l¶q |
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425 | 275 | 105 | 20 | 260 |