As a result of cold carbide precipitation, lattice defects, so that the corrosion resistance of straight seam welded pipe decreased. The corrosion resistance of the straight seam welded pipe after solution treatment is restored to the best condition.The solution temperature […]
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It is permissible to replace the hydrostatic test with eddy current
Miércoles, junio 1, 2022Tags: China ppgi corrugated steel sheet
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