| 2．25Cr-1Mo-0．25V与Q345R异种钢焊接技术应用 |
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| 引用本文： | 何鹏,刘应虎,叶小松,葛小文,郑强.2．25Cr-1Mo-0．25V与Q345R异种钢焊接技术应用[J].大型铸锻件,2009(6):18-20. |
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| 作者姓名： | 何鹏 刘应虎 叶小松 葛小文 郑强 |
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| 作者单位： | 中国二重集团公司重型容器分厂,四川,618013 |
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| 摘 要： | 在加氢容器生产制造过程中，常涉及到裙座材料Q345a与简体2．25Cr-1Mo-0．25V钢的焊接。通过实验和工艺评定，采取了先在2．25Cr-1Mo-0．25V钢一侧预堆焊一层低碳钢过渡层，热处理后再与Q345R钢组焊在一起的方法，克服了直接对两种母材进行焊接的不足之处，并且改善了焊接接头的综合性能。
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| 关 键 词： | 焊接 硬度试验 过渡层 异种钢接头 焊后热处理 |
Research on Welding Process of 2.25Cr1Mo0.25V and Q345 steel |
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| He Peng,Liu Yinghu,Ye Xiaosong,Ge Xiaowen,Zheng Qiang.Research on Welding Process of 2.25Cr1Mo0.25V and Q345 steel[J].Heavy Casting and Forging,2009(6):18-20. |
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| Authors: | He Peng Liu Yinghu Ye Xiaosong Ge Xiaowen Zheng Qiang |
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| Affiliation: | He Peng, Liu Yinghu, Ye Xiaosong, Ge Xiaowen, Zheng Qiang |
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| Abstract: | During the manufacture process of hydrogenation pressure vessel,there will be use the welding process between Q345R steel skirt support and 2.25Cr1Mo0.25V steel shell ring.Based on test and process qualification,this paper has developed a special welding process by first cladding transition layer of low carbon steel in the bevel of 2.25Cr-1Mo-0.25V sides and then welding together with Q345R steel after heat treatment.This welding process has conquered the shortage of welding two kinds of material,and improved the comprehensive property of welding joint. |
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| Keywords: | welding hardness test transition layer welding process specification welding joint of different kind of steel post weld heat treatment |
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