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Construction and storage of anti-corrosion steel
by admin on 20-11-16
Construction and storage of anti-corrosion steel: (1) Before painting iron surface treatment Sa2.5 stage, construction is strictly prohibited into the water, dust, oil and brushing in order to ensure quality. (2) Coating ratio: Group A points (base), Part B (hardener) = 9kg paint: 1kg hardener (o...
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Cold drawn steel tube advantages
by admin on 20-11-10
The advantages of cold drawn steel tube (1) the size is accuracy, tolerance is small; (2) when the die hole machining is excellent, well-oiled and the surface of good quality and finish of up to seven; (3) using it to produce small-diameter steel pipe and a special section; (...
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Coal tar epoxy pipe storage methods
by admin on 20-11-09
1, The principle requires coal tar epoxy pipe stacking under palletizing firm to ensure the safety of the premise, according to achieve varieties, specifications palletizing, different varieties of materials to palletizing respectively, to prevent muddy and mutual erosion; 2, Banned in coal tar e...
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Introduction to construction method of non-grooving pipeline
by admin on 20-11-05
Non-grooving construction refers to the construction method of laying or pouring pipelines (drains) in holes excavated under the ground along the pipeline. There are pipe jacking method, shield tunneling method, shallow burying method, directional drilling method, ramming pipe method, etc. (1) Cl...
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The difference between FRP sand pipe and steel pipe
by admin on 20-11-04
The difference between FRP sand pipe and steel pipe. The glass fiber reinforced plastic sand pipe is a new type of composite material made of resin as the matrix material, glass fiber and its products as the reinforcing material, and quartz sand as the filling material. With its excellent corrosi...
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Measures to avoid warping of 3PE anti-corrosion layer pipe ends
by admin on 20-10-10
1. Under the condition of not affecting the welding of the nozzle, the reserved length of the epoxy powder at the end of the polyethylene layer should be appropriately increased to prevent the 3PE anti-corrosion warping caused by the long stacking time of the steel pipe and the serious metal corr...
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Advantages of 3PE anti-corrosive steel pipe
by admin on 20-10-10
Ordinary steel pipes will be severely corroded in the harsh environment of use, which will reduce the service life of the steel pipe. The service life of the anti-corrosion insulation steel pipe is also relatively long. Under normal circumstances, it can use for about 30-50 years. And the correct...
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Surface processing of stainless steel
by admin on 20-09-29
Surface processing of stainless steel There are roughly five basic types of surface processing that can be used for surface processing of stainless steel. They can be combined and used to transform more final products. The five categories are rolling surface processing, mechanical surface process...
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Laying of thin-walled stainless steel pipes
by admin on 20-09-28
When laying thin-walled stainless steel pipes, they should be installed after the civil works are finished. Before installation, first, check whether the position of the reserved hole is correct. When laying thin-walled stainless steel pipes, the distance between fixed supports should not be grea...
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The difference between chemical grinding, electrolytic grinding and mechanical grinding of stainless steel
by admin on 20-09-24
The difference between chemical grinding, electrolytic grinding and mechanical grinding of stainless steel (1) Chemical polishing and mechanical polishing are essentially different “Chemical polishing” is a process in which the small convex portions on the surface to be polished are c...
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304 stainless steel pipe production method
by admin on 20-09-23
According to different production methods, it can be divided into hot rolled tubes, cold rolled tubes, cold drawn tubes, extruded tubes, etc. 1.1. Hot-rolled stainless steel seamless pipes are generally produced on automatic pipe rolling mills. The solid tube is inspected and cleaned of surface d...
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Plastic coated steel pipe inside and outside
by admin on 20-09-16
Both the inner and outer walls of the plastic coated steel pipe are coated with epoxy resin, the surface is smooth, the fluid resistance is reduced, the flow rate is increased, no scale is formed, and microorganisms generally do not grow. The service life of the fire-fighting water (gas) pipeline...
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