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News
Spiral steel pipe stacking principle requirements
Views: 33 Nov 01 , 2022
Spiral steel pipe is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature and welded by automatic double-wire double-sided submerged arc welding process. Spiral steel pipe is fed into the welded pipe unit, rolled by multiple rolls, the strip is gradually rolled up to form a circular billet...
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How to choose the type and thickness of spiral steel pipe?
Views: 35 Oct 28 , 2022
In the 21st century, spiral steel pipe has been widely used in many water plants, petrochemical, chemical, electric power, agricultural irrigation and urban construction. When choosing the type of spiral steel pipe, many people still don't know the thickness of spiral steel pipe. Choosing too thick spiral steel pipe will increase the...
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Spiral steel pipe stacking principle requirements
Views: 36 Oct 26 , 2022
Anti-corrosion steel pipe in the process of its use will be heat treatment, and the so-called heat treatment refers to the use of solution heat treatment, which is often referred to as "annealing" then when we are in the process of heat treatment what need to pay attention to it, the following anti-corrosion steel pipe...
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The processing price and quality of anti-corrosion steel pipe
Views: 41 Oct 24 , 2022
Corrosion-resistant steel pipe processing price and quality, a strong when the economy is constantly in development, first need to excavate the construction, the construction of each project, are inevitably dealing with steel or steel pipe, the development of society individuals engaged in more and more enterprises,...
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Spiral steel pipe for insulation treatment of technical requirem
Views: 37 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: 37 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: 41 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: 42 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: 42 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: 40 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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