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高韧性耐候桥梁钢焊接材料研制
李振华, 局晓峰, 居程亮
作者单位
李振华, 局晓峰, 居程亮  
摘要:
针对E级Q345qENH和Q370qENH耐候桥梁钢,开展配套的焊接材料研制工作,研制出HTJ-507CrNiCu焊条、HTW-550GN气体保护焊焊丝、HTM-550GN埋弧焊焊丝/HTF-101GN埋弧焊焊剂3套高韧性耐候桥梁钢焊接材料。结果表明,研制的3套高韧性耐候桥梁钢焊接材料具有优异的力学性能和耐大气腐蚀性能,特别具有优良的低温韧性。
关键词:  高韧性  耐候性  桥梁钢  焊接材料
DOI:
分类号:
基金项目:
Research of high-ductility weather-resistant bridge steel welding materials
Li Zhenghua,Ju Xiaofeng,Ju Chenliang
Abstract:
Aiming at the E-class Q345qENH and Q370qENH weather-resistant bridge steels,the research work of matching welding materials was carried out. Three sets of high-toughness weather-resistant bridge steel welding materials were developed, HTJ-507CrNiCu electrode, HTW-550GN gas shielded welding wire, HTM-550GN submerged arc welding wire and HTF-101GN submerged arc agglomerated flux. The results showed that the three sets of high-toughness weather-resistant bridge steel welding materials had excellent process performance, mechanical properties and atmospheric corrosion resistance, especially excellent low temperature toughness.
Key words:  high toughness  weather-resistant  bridge steel  welding material

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