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Centerway Steel Co., Ltd
Home
About Us
About Centerway
About Allianz Steel Group
Enterprise Culture
Organization Structure
Products
Seamless Steel Pipe
Carbon Steel Pipe
Seamless Line Pipe
Boiler Tubes
Structural Steel Pipe
Precision Steel Pipe
Alloy Steel Pipe
Nickel Alloy Pipe
OCTG
API Casing
API Tubing
Slotted Pipe
Drill Pipe
Heavy Weight Drill Pipe
Drill Collar
Casing And Tubing Coupling
Pup Joint
Stainless Steel Pipe
Stainless Seamless Pipe
Stainless Welded Pipe
Stainless Steel Screen Pipe
Duplex Stainless Pipe
Welded Steel Pipe
ERW/HFW Pipe
EFW Pipe
LSAW/SAWL Pipe
SSAW/SAWH Pipe
Steel Pile Pipe
Piling Pipe
Steel Pipe Sheet Pile
Coated Steel Pipe
Galvanized Steel Pipe
Epoxy Coated Pipe
3LPP Coated Pipe
FBE/2LPE/3LPE Coated Pipe
Steel Hollow Section
Square Pipe(SHS)
Rectangular Pipe(RHS)
Steel Pipe Fittings
Pipe Flange
Pipe Bend
Pipe Reducer
Pipe Elbow
Pipe Tee
Pipe Cross
Pipe Cap
Pipe standards
API Spec
ASTM
ASME
EN
DIN
BS
JIS
NACE
Projects
News Center
Company News
Industry News
Pipe Knowledge
Steel Pipe&Fittings Stock
Service
Slotting
Shot Blasting
Beveling
Cut And Roll Grooving
Coating
Threading
Cutting
Custom Pipe Fabrication
Packing&Marking
Quality
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Equipments
Certificate
Third Party Inspection
Video
Experience
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Visit customer
Exhibiting overseas
Our Clients
Contact
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The effect of anti-corrosion and insulation of thermal insulation pipes
Thermal insulation pipe is suitable for transporting various media in the range of -50℃-150℃. It is widely used in central heating, cooling and hot oil transportation, as well as thermal insulation and cold insulation projects in greenhouses, cold storages, coal mines, petroleum, chemical and other industries.
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Hot-dip galvanized steel pipe production process knowledge
Zinc is easily soluble in acid and alkali, so it is called an amphoteric metal. Zinc changes little in dry air. In humid air, a dense basic zinc carbonate film will form on the zinc surface.
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The use of spiral steel pipes for anti-corrosion
Due to the corrosion of steel pipelines and equipment, production companies have stopped production and the quality of products has declined.
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The reason why straight seam welded pipe has a wide range of applications
The reason why straight seam steel pipes are widely used in the market is due to their unique characteristics. In the welding process, the cost of the process used is relatively low, and straight seam steel pipes can be manufactured using the manufacturing processes of forged steel, extrusion, rolling and drawing steel, and their specifications are relatively certain, which provides the possibility for wide application sex.
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What should we pay attention to when welding galvanized pipes?
Precautions for welding galvanized pipes:
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How to repair the port anti-corrosion layer of anti-corrosion spiral steel pipe after packing
When exporting anti-corrosion spiral steel pipes, in order to effectively protect the outer layer of the anti-corrosion spiral steel pipes, the outer layer of the spiral steel pipes must be packed. However, during the container loading process, the ports of the anti-corrosion spiral steel pipes will inevitably be damaged, because when loading, a forklift is usually used to lift the anti-corrosion spirals.
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How to extend the service life of seamless square pipes
Seamless square tubes are an indispensable part of construction work. Everyone is very familiar with these. Therefore, the quality of seamless square tubes will directly affect the development of the construction industry. If seamless square tubes can be made What about longer service life?
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The reason why hot-dip galvanized pipes are mostly used in firefighting
Nowadays, hot-dip galvanized steel pipes are a common type of fire pipes and play an irreplaceable role in the fire safety industry. Why can't hot-dip galvanized pipes be replaced by cheaper welded pipes or cold-dip galvanized pipes?
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Introduction to quality testing methods for spiral steel pipes
1. Judgment from the surface, that is, visual inspection. The appearance inspection of welded joints is a simple and widely used inspection method. It is an important part of finished product inspection. It mainly detects defects on the weld surface and dimensional deviations. Inspection is generally carried out through naked eye observation with the help of tools such as standard templates, gauges and magnifying glasses. If there are defects on the surface of the weld, there may be defects inside the weld.
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Submerged arc welding - practical steel pipe welding technology
Submerged arc welding technology is ideal for critical applications such as pipelines, pressure vessels, track manufacturing and primary structures. It has the simplest single-filament form, double-filament structure, tandem double-filament structure and multi-filament structure.
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