| 钢锭模和帽口的设计对特殊钢6 t八角钢锭成材率的影响 |
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| 引用本文： | 沙卫星,魏仁杰,周伟基,李忠伟,耿振伟,于丹. 钢锭模和帽口的设计对特殊钢6 t八角钢锭成材率的影响[J]. 特殊钢, 2014, 35(6): 44-46 |
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| 作者姓名： | 沙卫星 魏仁杰 周伟基 李忠伟 耿振伟 于丹 |
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| 作者单位： | 抚顺特殊钢股份有限公司1第二炼钢厂，2技术处，抚顺113001 |
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| 摘 要： | 在原有5 t（实际5.15 t）八角锭的基础上,将锭身高度由1505 mm增加至1840mm,锥度由4.56%降至3.64%,由原外置帽口改为内置帽口,钢水帽口率由15.15%减少到9.81%,新设计的6 t（实际5.85 t）八角锭模生产18CrNiMo7-6,D2和30Cr13钢Φ210~300 mm锻材的结果表明,6 t锭平均成材率为86.47%,较5 t锭平均成材率79.71%提高了约7个百分点。
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| 关 键 词： | 6t锭模 帽口 锥度 D2、30Cr13钢 锻材 成材率 |
| 收稿时间： | 2014-06-28 |
Effect of Mould and Hot Top Design on Yield of 6 t Octagonal Ingot of Special Steels |
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| Sha Weixing,Wei Renjie,Zhou Weiji,Li Zhongwei,Geng Zhenwei,Yu Dan. Effect of Mould and Hot Top Design on Yield of 6 t Octagonal Ingot of Special Steels[J]. Special Steel, 2014, 35(6): 44-46 |
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| Authors: | Sha Weixing Wei Renjie Zhou Weiji Li Zhongwei Geng Zhenwei Yu Dan |
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| Affiliation: | 1 2nd Steelmaking Plant, 2 Department of Technology, Fushun Special Steel Co Ltd, Fushun 113001 |
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| Abstract: | Based on the original 5 t (real 5. 15 t) octagonal ingot mould, with increasing the height of mould from original 1505 mm to 1840 mm, decreasing the taper in the mold walls from 4. 56% to 3. 64% , modifying the hot top location from outside type to inside type and decreasing the ratio of liquid steel in hot top from 15. 15% to 9. 81% , the results of production of Φ210 ~ 300 mm forged products of steel 18CrNiMo7-6 , D2 and 30Cr13 by new design 6 t ( real 5. 85 t) ingot mould show that the average yield of 6 t ingot is 86. 47% , as compared with the average yield 79. 71% of 5 t ingot, it increases the yield of products by about 7 point of percentage. |
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