| 国产2.25Cr-1Mo-0.3V钢热处理工艺试验研究 |
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| 引用本文： | 胡广岐,王志刚,胡天江.国产2.25Cr-1Mo-0.3V钢热处理工艺试验研究[J].石油化工设备,2012(2):23-26. |
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| 作者姓名： | 胡广岐 王志刚 胡天江 |
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| 作者单位： | 兰州兰石重型装备股份有限公司,甘肃兰州730050 |
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| 摘 要： | 模拟了实际大型2.25Cr-1Mo-0.3V钢制筒节热处理工艺条件,研究了不同板厚的筒节两次淬火+回火对材料组织和性能的影响。试验结果表明,经过两次淬火+回火后材料的综合力学性能及金相组织奥氏体晶粒度均有较大改善,特别是低温冲击韧性有较大提高。
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| 关 键 词： | 2.25Cr-1Mo-0.3V钢 淬火 回火 热处理 低温韧性 |
Test Study of Domestic 2.25Cr-1Mo-0.3V Steel Heat Treatment Process |
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| HU Guang-qi,WANG Zhi-gang,HU Tian-jiang.Test Study of Domestic 2.25Cr-1Mo-0.3V Steel Heat Treatment Process[J].Petro-Chemical Equipment,2012(2):23-26. |
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| Authors: | HU Guang-qi WANG Zhi-gang HU Tian-jiang |
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| Affiliation: | (Lanzhou LS Heavy Equipment Corporation Ltd.,Lanzhou 730050,China) |
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| Abstract: | The actual scale shell section heat treatment process condition was simulated,and the influence of microstructure and properties on shell section thickness of different as quenching ＋ tempering state materials was researched.The results showed that,after being quenched ＋ tempered,comprehensive mechanical properties and microstructure of austenite grain degrees of the test sample were greatly improved,and the mechanical properties of steel plate after twice quenching,especially the low-temperature impact toughness was greatly raised. |
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| Keywords: | 2 25 Cr-1Mo-0 3 V steel quenching tempering heat treatment low temperature toughness |
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