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- W2385931827 abstract "1Cr low alloy pipeline steel was welded by tungsten inert gas welding(TIG) technology.Then the microstructure,mechanical properties and corrosion resistance of the weld joint were studied,and weldability of 1Cr low alloy steel was discussed.The results showed that base metal and heat-affected zone(HAZ) was with good toughness and higher impact absorbed energy,and ferrite was its main structure;the toughness of weld metal was lower than that of base metal and HAZ,and its main structure was granular bainite.The highest hardness value of the weld joint was 250HV,which locates in the fusion line;the overall hardness was moderate.Adding 1%Cr to the low alloy steel didn't increase the hardness or reduce the toughness of the HAZ,so the weldability of the pipeline steel was excellent." @default.
- W2385931827 created "2016-06-24" @default.
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- W2385931827 date "2009-01-01" @default.
- W2385931827 modified "2023-09-24" @default.
- W2385931827 title "Research on Microstructure and Mechanical Properties of 1Cr Low Alloy Pipeline Steel Weld Joint" @default.
- W2385931827 hasPublicationYear "2009" @default.
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