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10 2023.02
How to Measure Perforated Sheet A perforated sheet is a metal sheet that’s punched or cut to produce a pattern of holes, slots or shapes for practical or aesthetic purposes. It’s also known as “perforated metal.” This type of metal sheet includes decorative hole patterns such as circles, squares, triangles, diamonds, hex, slots, bars and so forth. By combining shapes, it is possible to create more complex designs.
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.
14 2023.02
The Spiral Welded Pipe Manufacturing Process Steel strip coil, welding wire, and flux are the raw ingredients. Before being used, it must pass stringent physical and chemical tests.
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