[1]黄晓辉,毕宗岳,牛 辉,等.抗酸性X70MS直缝埋弧焊管的研制[J].焊管,2014,37(6):5-10.[doi:1001-3938(2014)06-0005-06]
 HUANG Xiaohui,BI Zongyue,NIU Hui,et al.Development of X70MS Grade Acid-resistance SAWL Pipe[J].,2014,37(6):5-10.[doi:1001-3938(2014)06-0005-06]
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抗酸性X70MS直缝埋弧焊管的研制()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
37
期数:
2014年第6期
页码:
5-10
栏目:
试验与研究
出版日期:
2014-06-28

文章信息/Info

Title:
Development of X70MS Grade Acid-resistance SAWL Pipe
文章编号:
1001-3938(2014)06-0005-06
作者:
黄晓辉12毕宗岳12牛 辉12张世涛12牛爱军12吴佩军13陈长青12
(1. 国家石油天然气管材工程技术研究中心, 陕西 宝鸡 721008;
2. 宝鸡石油钢管有限责任公司,陕西 宝鸡 721008;
3. 西安石油大学 材料科学与工程学院, 西安 710065)
Author(s):
HUANG Xiaohui12 BI Zongyue12 NIU Hui12 ZHANG Shitao12 NIU Aijun12 WU Peijun13 CHEN Changqing12
(1. National Petroleum and Gas Tubular Goods Engineering Technology Research Center,Baoji 721008, Shaanxi,China;
2. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008,Shaanxi, China;
3. School of Material Sciences and Engineering, Xi’an Shiyou University, Xi’an 710065, China)
关键词:
焊管X70MS钢板抗酸性直缝埋弧焊接
Keywords:
welded pipe X70MS steel plat acid resistance longitudinal submerged-arc welding
分类号:
TE988.2
DOI:
1001-3938(2014)06-0005-06
文献标志码:
A
摘要:
采用低C、低Mn、合金化设计和超洁净化冶炼制造的X70MS抗酸性钢板,通过控制焊接接头硬度、焊接热输入以及钢管残余应力等,开发制造出了X70MS抗酸性直缝埋弧焊管,并对焊管管体和焊缝组织性能进行了研究。结果表明,管体和焊缝的硬度均小于250HV10,0 ℃下母材冲击功大于410 J,焊接接头冲击功大于168 J;按照NACE-0284标准进行HIC测试,管母和焊接接头裂纹敏感率(CSR)、裂纹长度率(CLR)及裂纹厚度率(CTR)均为0;按照NACE-0177标准进行SSCC测试,采用A溶液,在72% ReL及90% ReL载荷下,管母和焊接接头均未出现断裂,管材表现出良好的力学性能和耐酸性。
Abstract:
The X70MS grade acid-resistance steel plate was produced by using the technology of low carbon, low manganese, microalloying design and clean smelting. By controlling the hardness of welded joints, welding heat input and the residual stress of steel pipe, the X70MS grade acid-resistance SAWL pipe was developed. Test results showed that the hardness of pipe body and weld both are less than 250 HV10. Under 0 ℃, the impact energy of base metal is greater than 410 J, and the impact energy of welded joint is greater than 168 J. The HIC tests were conducted in accordance with the NACE-0284 standard, the cracking sensitivity (CSR) of base metal and welded joints, the crack length ratio (CLR), and the crack thickness ratio (CTR) are all zero; The SSCC tests were conducted in accordance with NACE-0177 standard by using A solution under 72% ReL and 90% ReL loading, the fracture did not appear in base metal and welded joints, the pipes showed good mechanical properties and acid resistance.

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备注/Memo

备注/Memo:
基金项目:国家科技支撑计划(2011BAE25B03)。
收稿日期:2013-12-08
作者简介:黄晓辉(1980—),男,硕士,工程师,主要从事油气管材开发及焊接技术研究工作。
更新日期/Last Update: