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News
Spiral steel pipe for insulation treatment of technical requirem
Views: 154 Oct 20 , 2022
Spiral steel pipe for insulation treatment of technical requirements
Spiral steel pipe insulation treatment after people used to be called insulation steel pipe, insulation steel pipe insulation layer is made of rigid polyurethane foam filling, for spiral steel pipe insulation quality requirements are as...
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Spiral steel pipe winter cold-proof method
Views: 172 Oct 19 , 2022
General spiral pipe raw materials are Q235B, in the cold winter spiral pipe is also in line with the rules of heat and cold shrinkage, plus Q235B raw materials are very easy to rust, so how to winter cold treatment? In winter spiral steel pipe should be placed in the workshop, because the temperature in the workshop is relatively high...
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Analysis of the economy of spiral steel pipe
Views: 163 Oct 14 , 2022
Spiral steel pipe has excellent performance under high temperature conditions and can meet the requirements of super (super) critical boilers required to maintain high mechanical strength under high parameters. At the same temperature and pressure, spiral steel pipe and supercritical conditions used in the comparison of alloy materials,...
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Simple introduction of spiral steel pipe demagnetization method
Views: 162 Oct 12 , 2022
Simple introduction of spiral steel pipe demagnetization method
1, with a coil around the outside of the steel pipe, to the coil of alternating current, slowly reduce the current of alternating current, until reduced to zero. Demagnetization results: does not change the physical properties of spiral steel pipe, but once again...
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Spiral steel pipe development and main production methods
Views: 187 Oct 10 , 2022
Spiral steel pipe development and main production methods
The proportion of spiral steel pipe in the steel pipe has stabilized in recent years at about 42% to 45%, with a rising trend of welded pipes. Spiral steel pipe compared with welded steel pipe is the reliability of the material and variety of adaptability, especially...
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Spiral steel pipes are subjected to severe physical and chemical
Views: 170 Oct 09 , 2022
Before being put into operation, it has to undergo severe physical and chemical examination. The head and tail of the strip is butt-joined, and single or double wire submerged arc welding is selected, and automatic submerged arc welding is selected to fill in the rolled steel pipe. Before forming, the strip is leveled,...
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Anti-corrosion steel pipes are classified according to different
Views: 183 Sep 30 , 2022
Anti-corrosion steel pipes are classified according to different ways
Anti-corrosion steel pipe refers to the steel pipeline which can effectively prevent or slow down the corrosion phenomenon by chemical or electrochemical reaction during transportation and use after anti-corrosion process processing. According to...
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Classification of anti-corrosion steel pipe's inner wall
Views: 155 Sep 29 , 2022
Anti-corrosion steel pipe refers to the steel pipeline that can effectively prevent or slow down the phenomenon of corrosion by chemical or electrochemical reaction during transportation and use after anti-corrosion process processing. According to China's statistics, the annual domestic steel pipe corrosion direct economic losses of more...
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Application of anti-corrosion steel pipe
Views: 169 Sep 26 , 2022
Rust removal: Use wire brushes and other tools to polish the surface of the steel, which can remove loose or oxidized scale, rust, welding slag, etc. Derusting things by hand can reach Sa2 level. The fire-fighting water supply plastic-coated composite steel pipe has passed a high-temperature continuous burning test experiment, and it...
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Spiral steel pipe stacking principle requirements
Views: 184 Sep 24 , 2022
Spiral steel pipe stacking principle requirements
1. The principle requirement of spiral steel pipe stacking is to stack according to varieties and specifications under the premise of stable stacking and ensuring safety. Different varieties of materials should be stacked separately to prevent muddling and mutual...
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