| 进口A333Gr.3低温钢焊接工艺评定及现场焊接 |
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| 引用本文： | 杨国辉.进口A333Gr.3低温钢焊接工艺评定及现场焊接[J].管道技术与设备,2005(4):33-34. |
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| 作者姓名： | 杨国辉 |
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| 作者单位： | 湖南工学院机械工程系,湖南,衡阳,421011 |
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| 摘 要： | 分析了进口低温不锈钢A333Gr.3的焊接性,通过分别采用焊后热处理和焊后不进行热处理两种方案进行焊接工艺评定试验,制定了合理的低温甲醇洗涤装置主蒸汽管现场焊接工艺参数及工艺措施。试验结果表明:该钢的焊接性良好,焊后不进行热处理更有利于提高焊接接头的低温韧性。
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| 关 键 词： | 焊接工艺 低温钢 |
| 文章编号： | 1004-9614（2005）04-0033-02 |
| 收稿时间： | 2005-04-19 |
| 修稿时间： | 2005-06-24 |
Assessment on Welding Technology of Cryogenic Steel A333Gr.3 from Abroad and Field Welding |
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| YANG Guo-hui.Assessment on Welding Technology of Cryogenic Steel A333Gr.3 from Abroad and Field Welding[J].Pipeline Technique and Equipment,2005(4):33-34. |
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| Authors: | YANG Guo-hui |
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| Abstract: | The welding property of the low-temperature stainless steel A333Gr.3 was analyzed.The reasonable spot parameter and measure of the main vapour pipe of low temperature methanol wash mill made of the steel were optimized in the experiments on welding procedure qualification with postweld heat treatment technique and non-postweld heat treatment technique.The experiments results show that the welding property of the steel is good and non-postweld heat treatment technique improves the low temperature toughness of welded joint. |
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| Keywords: | A333Gr 3 |
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