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Research on gas shielded welding of high intensity construction machinery steel HG980
Pages: 32-35
Year: Issue:  2
Journal: Research on Iron and Steel

Keyword:  high intensity construction machinery steelgas shielded weldingmechanical properties;
Abstract: The weldability and microstructures of welding joint of HG980 steel were studied by means of gas shielded welding.The mechanical properties of joint and metallurgical structures were tested.The results showed that HG980 welding joint has superior mechanical properties.The structure of the coarse grain heat affected zone(CGHAZ)was bainite,and in weld metal it had high acicular ferrite volume fractions.
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