Why seamless steel pipes cannot be completely replaced by welded steel pipesBildir
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Why seamless steel pipes cannot be completely replaced by welded steel pipes
The welded steel pipe has won praises for its uniform wall thickness and low price. So, can seamless Steel pipes be replaced by welded steel pipes?
The answer: NOThere are some reasons
1) HAZ is very fragileAlthough it is rare now that the mechanical properties of the weld seam exceed the base metal itself, the weakest part of the welded steel pipe is not the weld seam, not the base metal, but the heat-affected zone of the weld. This place is the most vulnerable.
2)The limited upper wall thickness of the welded steel pipe…
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