| 石油钻杆连接套用37CrMnMo钢的生产实践 |
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| 引用本文： | 赵千水,隋玲云.石油钻杆连接套用37CrMnMo钢的生产实践[J].特殊钢,2007,28(3):66-67. |
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| 作者姓名： | 赵千水 隋玲云 |
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| 作者单位： | 本溪钢铁(集团)有限贲任公司技术中心，本溪117000 |
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| 摘 要： | 本钢采用50 t偏心底电弧炉熔炼-LF(VD)-喂Al和Ca-Si线-3.16 t铸锭-800/650×4轧机流程生产Φ140～170 mm石油钻杆连接套用37CrMnMo钢(％:0.35～0.38C、0.85～1.00Mn、0.90～1.20Cr、0.28～0.33Mo、≤0.015P、≤0.008S)。检验结果表明,钢材中H含量(0.5～1)×10-6,O含量(8～20)×10-6,N含量(55～90)×10-6,夹杂物0～2级,J25淬透性HRC值42～51,-10℃横向冲击功56～218 J,-10℃纵向冲击功76～233 J,强度和塑性均满足标准要求。
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| 关 键 词： | 37CrMnMo钢 LF(VD) 喂丝 力学性能 |
| 收稿时间： | 2006-11-20 |
| 修稿时间： | 2006-11-20 |
Production Practice of Steel 37CrMnMo for Coupling Sleeve of Petroleum Drill Stem |
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| Zhao Qianshui,Sui Lingyun.Production Practice of Steel 37CrMnMo for Coupling Sleeve of Petroleum Drill Stem[J].Special Steel,2007,28(3):66-67. |
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| Authors: | Zhao Qianshui Sui Lingyun |
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| Affiliation: | Technical Center,Benxi Iron and Steel(Group)Co Ltd,Benxi 117000 |
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| Abstract: | The φ140～170 mm bars of steel 37CrMnMo(0.35～0.38C,0.85～1.00Mn,0.90～1.20Cr,0.28~ 0.33Mo,≤0.015P,≤0.008S)for coupling sleeve of petroleum drill stem are produced by 50t EBT arc furnace-LF (VD)-Al and Ca-Si wire feeding-3.16 t ingot casting-800/650×4 mills rolling flow sheet at Benxi steel. Analyais and examination results showed that hydrogen content in steel products was (0.5～1)×10-6,oxygen content(8～20)×10-6,nitrogen content(55～90)×10-6,inclusion rating 0~2, J25 hardenability HRC value 42~51, transversal impact energy at - 10℃ 56~218J, longitudinal impact energy at - 10℃ 76~233 J and the strength and plasticity of products all met the requirement of standard. |
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| Keywords: | LF(VD) |
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