The welding equipment of laser welding spiral finned tube is composed of a high-power automatic laser welding machine, full-automatic numerical control fixture,automatic feeder and other auxiliary equipment.
2021After understanding the principles and functions of Finned tube for boiler, there are the following principles for the selection of finned tube.
2021Judging the quality of oval fin tube hot galvanizing crucially involves assessing appearance, thickness of galvanized coating, adhesion, uniformity, smoothness, absence of defects, corrosion resistance
2021From May 1, 2021, the export tax rebate for some steel products will be cancelled. See the attachment for the specific product list. The specific execution time shall be defined by the export date indicated on the export goods declaration form.
2021ASTM A498/A498M Standard Specification for Seamless and Welded Carbon Steel Heat-Exchanger Tubes with Integral Fins.
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