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| 高温合金专用金属铬 | 吨 | 60 | Cr:≥98.5%;Si:≤0.4%;P:≤0.01%;S:≤0.02%;C:≤0.03%;Fe:≤0.5%;Al:≤0.5%;Cu:≤0.01%;Pb:≤0.0005%;Sn:≤0.001%;Bi:≤0.001%;N:≤0.05%;As:≤0.001%;H:≤0.01%;O(氧):≤0.5%;粒度:(10~150)mm;执行标准:QJ/DT 06.3022 |