ND钢高频焊管的应用可行性研究  

Feasibility study on application of ND steel high-frequency welded pipe

作　　者：丛相州[1,2] 彭杏娜 彭先宽[1,2] 王涛 CONG Xiangzhou;PENG Xingna;PENG Xiankuan;WANG Tao(Beijing Guodian Futong Science and Technology Development Co.,Ltd.,Beijing 102401,China;NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211000,China;Beijing Institute of Structure&Environment Engineering,Beijing 100760,China)

机构地区：[1]北京国电富通科技发展有限责任公司,北京102401 [2]南瑞集团(国网电力科学研究院)有限公司,江苏南京211000 [3]北京强度环境研究所,北京100076

出　　处：《电焊机》2020年第1期71-74,I0008,共5页Electric Welding Machine

摘　　要：简要介绍了高频焊管的主要工程应用及市场前景,对三种不同状态下(焊态、正火态、回火态)下的ND钢高频焊管进行了耐硫酸露点腐蚀试验及爆破试验研究,并与无缝管进行了对比分析。结果表明,焊态、正火态和回火态下的ND钢高频焊管耐硫酸露点腐蚀性能与母材相当,焊态和热处理回火态下的承压能力与无缝管相当,正火态下承压压能力弱,且经济性差。综合分析得出,从耐硫酸露点腐蚀性和承压能力性能考虑,焊态或回火态下ND钢高频焊管和无缝管性能相当,可替代无缝管。The main engineering applications and market prospects of high-frequency welded pipes was briefly introduced.Sulfuric acid dew point corrosion test and blasting test were conducted on ND steel high-frequency welded pipes under three different states(as-welded,normalized and tempered),and was compared with the seamless tube.The results show that the sulfuric acid dew point corrosion resistance of ND steel high-frequency welded pipe in the as-welded,normalized and tempered state is equivalent to that of the parent metal.The pressure bearing capacity in as-welded state and heat-treated tempering state is equivalent to that of the seamless pipe.The pressure bearing capacity in normalized state is weak and the economy is also poor.Considering the sulfuric acid corrosion resistance and pressure bearing capacity,ND steel high-frequency welded pipe and seamless pipe performance is equivalent in as-welded state and tempered state,so seamless pipe can be replaced by ND steel high-frequency welded pipe.

关 键 词：ND钢 高频焊管 可行性 焊接 

分 类 号：TG457[金属学及工艺—焊接]