[1]王丽丽,刘 通,王自信,等.X70焊管焊接接头热影响区冲击试样缺口位置的探讨[J].焊管,2015,38(2):60-63.[doi:1001-3938(2015)02-0060-04]
 WANG Lili,LIU Tong,WANG Zixin,et al.Discussion on Impact Specimen Notch Position of X70 Welded Pipe Heat Affected Zone(HAZ)[J].,2015,38(2):60-63.[doi:1001-3938(2015)02-0060-04]
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X70焊管焊接接头热影响区冲击试样缺口位置的探讨
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第2期
页码:
60-63
栏目:
经验交流
出版日期:
2015-02-28

文章信息/Info

Title:
Discussion on Impact Specimen Notch Position of X70 Welded Pipe
Heat Affected Zone(HAZ)
文章编号:
1001-3938(2015)02-0060-04
作者:
王丽丽刘 通王自信顾志乾
(山东胜利钢管有限公司,山东 淄博 255082)
Author(s):
WANG Lili LIU Tong WANG Zixin GU Zhiqian
(Shandong Shengli Steel Pipe Co., Ltd., Zibo 255082, Shandong, China)
关键词:
焊管X70钢热影响区缺口位置冲击试样
Keywords:
welded pipe X70 steel heat affected zone (HAZ) Notch position impact specimen
分类号:
TG115.56
DOI:
1001-3938(2015)02-0060-04
文献标志码:
B
摘要:
通过金相试验、夏比冲击试验研究了X70螺旋埋弧焊管焊接接头热影响区试样不同缺口位置的金相组织、冲击功及剪切面积的分布情况。试验结果显示,冲击功和剪切面积的大小与缺口位置在粗晶区、细晶区、部分相变区和内焊缝所占的比例相关,内焊缝所占比例越低,冲击功和剪切面积越大。综合分析试验结果和相关标准,得出了X70焊管焊接接头热影响区试样缺口位置的确定方法,即热影响区冲击试样的缺口轴线应在试样上表面与外焊缝熔合线交界处,冲击试样边缘距外焊缝边缘1~2 mm为宜。
Abstract:
In this article, it studied the distribution situation of metallographic structure, impact energy and shearing area of X70 SAWH pipe welded joint HAZ specimen in different Notch position, by adopting metallographic test and Charpy impact test. The results indicated that the values of impact energy value and shearing area are related with Notch position proportion in coarse grained region, fine grained region, part of the phase change zone and inside weld. The lower the proportion of inside weld is, the greater the impact energy and shearing area. After comprehensive analysis of test results and related standards, the determination method of X70 SAWH pipe welded joint HAZ specimen Notch position was obtained; the Notch axis of HAZ impact specimen should be in the junction of specimen upper surface and outside weld fusion line, and the distance from Impact test specimen edges to the outside weld edge of 1~2 mm is applicable.

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备注/Memo

备注/Memo:
收稿日期:2014-08-21
作者简介:王丽丽(1986—),女,学士,助理工程师,主要从事钢管的质量检测工作。
更新日期/Last Update: