2024-06-03 As a terminal technology product of the steel pipe industry chain, anti-corrosion steel pipe has always occupied a very important position in the industry. In recent years, with the development and application of new anti-corrosion technologies for steel pipes, anti-corrosion steel pipes have been u
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2024-05-31 1. Do a good job of quality inspection before weldingTo ensure the welding quality of GB5310 high-pressure boiler seamless steel pipes, they should be inspected before welding to ensure that there are no local scratches and grooves on the surface of GB5310 high-pressure boiler seamless steel pipes.
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2024-05-30 Causes and preventive measures for the formation of single one-sided undercuts: In the production process of submerged arc welded steel pipes, especially in high-speed welding, undercuts have become one of the main defects in the production process of spiral submerged arc welded steel pipes. The und
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2024-05-29 The concept of thin-walled spiral steel pipe: the strip steel is fed into the welded pipe unit, and after multiple rollers rolling, the strip steel is gradually rolled up to form a round tube blank with an open gap. The pressing amount of the extrusion roller is adjusted to control the weld gap to 1
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2024-05-28 1. The shaped steel angle is not fully charged① Defect characteristics of underfilled profiled steel angles: Due to insufficient filling of the finished hole, the lack of metal in the edges and corners of the profiled steel is called underfilled profiled steel angles. The surface is rough, mostly ap
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2024-05-27 Stainless steel pipe is a widely used building material, and 325 stainless steel pipe plays an important role in it. The keyword 325 stainless steel pipe represents a stainless steel pipe material with excellent quality and stable performance. Its application fields cover many fields, from building
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2024-05-24 Among stainless steel materials, 304 stainless steel and 201 stainless steel are two common types. They have some differences in chemical composition, physical properties, and applications.First of all, 304 stainless steel is stainless steel with high corrosion resistance, consisting of 18% chromium
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2024-05-23 Underground oil mining tools work in wells thousands of meters deep, in harsh environments and complex stress conditions. Normally, mining tools have to withstand not only tensile stress, and torsional bending stress, but also strong friction and impact. At the same time, the tools are also To withs
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