[1]唐子金,董军,张晓强,等.西气东输二线工程用X80级埋弧焊管的试制[J].焊管,2009,32(2):27-35.[doi:1001－3938（2009）02－0027－09]
　TANG Zi-jin,DONG Jun,ZHANG Xiao-qiang,et al.Trial Production X80 SSAW Pipe for the West to East Gas Pipeline Project[J].,2009,32(2):27-35.[doi:1001－3938（2009）02－0027－09]
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西气东输二线工程用X80级埋弧焊管的试制
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
32
期数:
2009年第2期
页码:
27-35
栏目:
应用与开发
出版日期:
2009-02-28

文章信息/Info

Title:
Trial Production X80 SSAW Pipe for the West to East Gas Pipeline Project
文章编号:
1001－3938（2009）02－0027－09
作者:
唐子金; 董军; 张晓强; 叶永春; 张社伟
(中国石化集团江汉石油管理局沙市钢管厂，湖北 荆州 434001)
Author(s):
TANG Zi-jin; DONG Jun; ZHANG Xiao-qiang; YE Yong-chun; ZHANG She-wei
(Sinopec Jianghan Petroleum Administrative Bureau Shashi Steel Pipe Works,Jingzhou 434001,Hubei,China)
关键词:
西气东输二线工程; X80级管线钢管; 直缝埋弧焊; 螺旋埋弧焊
Keywords:
The Second West to East Gas Pipeline; X80; LSAW; SSAW
分类号:
TG113.2
DOI:
1001－3938（2009）02－0027－09
文献标志码:
A
摘要:
介绍了用于西气东输二线工程的X80钢级、φ 1219 mm×22 mm 直缝埋弧焊管和X80钢级、φ 1219 mm×18.4mm 螺旋埋弧焊管的试制情况及检验结果。根据工艺评定结果确定：X80级、φ 1219 mm×22 mm 直缝埋弧焊管采用钝边7 mm、坡口角度37°对称X型坡口，预焊焊丝为CHW60Cφ 3 mm、内外焊采用MK－680 φ 4 mm焊丝与神剑SJ101G焊剂匹配以及相应的焊接规范；X80钢级、φ 1219 mm×18.4 mm 螺旋埋弧焊管采用钝边7 mm、上坡口角度35°、下坡口角度40° X型坡口，内外焊采用H08C焊丝与锦州SJ101G焊剂匹配以及相应的焊接规范。试制结果均符合API SPEC 5L管线钢管规范和《西气东输二线管道工程用直缝埋弧焊管技术条件》的要求。比较发现X80钢级、φ 1219 mm×22 mm 直缝埋弧焊管的屈服强度、屈强比相对钢板原料显著上升，伸长率显著下降；X80钢级、φ 1219 mm×18.4mm  螺旋埋弧焊管的屈服强度、屈强比相对卷板原料略有上升，伸长率显著下降，抗拉强度变化不明显。
Abstract:
This article introduced trial production and inspection & test results of X80 grade φ 1219 mm×22 mm  LSAW pipe and φ 1219 mm×18.4mm SSAW pipe used for The Second West to East Gas Pipeline Project.According to test result of procedure qualification,it was determined to adopt symmetrical X type bevel with 7 mm,bevel angle 37°,prewelding with CHW60C φ 3 mm welding wire,inside and outside welding adopt MK－680φ 4 mm welding wire matched with Shenjian SJ101G welding flux and corresponding welding specification for X80 grade φ 1219 mm×22 mm .For X80 grade φ 1219 mm×18.4 mm SSAW pipe,it adopt X type bevel with 7 mm and up bevel angle 35°,down bevel angle 40°,and inside and outside welding adopt H08C welding wire matched with Jinzhou SJ101G welding flux and corresponding welding specification.Trial production results meet the requirements of API SPEC 5L Specification and LSAW Pipe Technology Specification of the Second West to East Gas Pipeline Project.It was found that yield stress and Y/T ratio of X80 φ 1219 mm×22 mm  LSAW pipe rise obviously comparing to steel plate,elongation decrease remarkably.Yield stress and Y/T ratio of X80 φ 1219 mm×22 mm SSAW pipe rise slightly comparing to steel plate,elongation decreasing obviously,tensile stress without remarkable variation.

参考文献/References:

［1］Q/SY GJX 0101—2007,西气东输二线管道工程用热轧板卷技术条件［S］.
［2］Q/SY GJX 0102—2007,西气东输二线管道工程用螺旋埋弧焊管技术条件［S］.
［3］Q/SY GJX 0103—2007,西气东输二线管道工程用热轧钢板技术条件［S］.
［4］Q/SY GJX 0104—2007,西气东输二线管道工程用直缝埋弧焊管技术条件［S］.

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备注/Memo

备注/Memo:
作者简介：唐子金（1966－），男，高级工程师，主要从事焊接工艺管理工作。
收稿日期：2008－11－14
更新日期/Last Update: