Hot rolled steel coils and medium thick plates

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10 2023.02
Difference between Precision Steel Pipe and Seamless Steel Pipe Precision seamless steel pipe is a cold drawn or hot-rolled after treatment of a high-precision steel pipe. As the precision seamless steel pipe inside and outside the wall of non-oxidized layer of precision seamless steel pipe
14 2023.02
Common Defects of Spiral Welded Pipes The main cause of the bubbles in the center of the weld bead is hydrogen is concealed within the weld metal as bubbles. Thus, to eliminate this defect, remove the wire and weld the rust, oil, water, moisture, and other things, and then fully dry the flux to remove moisture. Furthermore, a higher current slows the solidification rate of liquid metal, limiting welding speed.
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