Welding tests of high performance Q420qENH weathering bridge steel

CHE Ping; LI Junping; HUANG Huiqiang; WANG Qingfeng; SUN Duo; LI Weiwei

doi:10.12073/j.hj.20200930001

WELDING & JOINING > 2021 > (1): 42-50. > DOI: 10.12073/j.hj.20200930001

CHE Ping, LI Junping, HUANG Huiqiang, WANG Qingfeng, SUN Duo, LI Weiwei. Welding tests of high performance Q420qENH weathering bridge steel[J]. WELDING & JOINING, 2021, (1): 42-50. DOI: 10.12073/j.hj.20200930001

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Welding tests of high performance Q420qENH weathering bridge steel

1. China Railway Baoji Bridge Group Co., Ltd., Baoji 721006, Shaanxi, China;
2. Yanshan University, Qinghuangdao 066004, Hebei, China

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Received Date: September 29, 2020

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For high performance Q420QENH weathering bridge steel plate in this paper,the re-inspection of the base material,the deposited metal test of the welding material,the weldability test of the steel plate,series of temperature impact test of the butt joint and the welding procedures qualification test of the typical joint were carried out to evaluate and analyze mechanical properties,weldability and weather resistance of the steel. The results could provide reference for the application of Q420qENH weathering steel in bridge fabrication.
- high performance weathering bridge steel,
- welding performance,
- mechanical properties,
- test evaluation

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