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DN450 Seamless Steel Pipe Outside Diameter
Seamless steel pipe OD is divided into large OD and small OD, small OD is 478mm, large OD is 457mm.Seamless steel pipe is a kind of long steel with a hollow section and no seams around it.According to the different production methods, it is classified into hot-rolled pipe, cold-rolled pipe, cold-drawn pipe, extruded pipe, top pipe and so on secondly.According to the shape of the cross-section, seamless steel pipe is divided into two kinds of round and heteromorphic.According to the different uses, it can be classified into thick-walled seamless steel pipe and Thin-walled seamless steel pipe.
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The Difference Between Seamless Steel Pipe And Welded Steel Pipe
1, the appearance of different: seamless steel pipe surface without seams, welded steel pipe surface seams
2, the pressure is different: welded steel pipe in about 10 Mpa, while the seamless steel pipe pressure is higher.
3, different uses: seamless steel pipe used as oil geological drilling pipe, aviation with high-precision structural steel pipe; welded steel pipe can be used as water and gas pipe, etc.
4, different classifications: seamless tube hot-rolled tube, cold-rolled tube, top tube, etc. Welded steel pipe can be divided into arc welded tube, gas welded tube, Bundy tube, etc.
5, the process is different: welded steel pipe needs to be rolled and welded, and seamless steel pipe is rolled in a single molding
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Properties of Mild Steel
Steel is one of the most versatile and widely used materials in the world, but did you know that not all steel is created equal? Mild steel may not be as glamorous as high carbon steel, but it has some impressive qualities that make it a popular choice for manufacturers in a wide range of industries. In this blog post, we'll explore the properties of mild steel, why it's so commonly used, and how it's made. So buckle up and get ready to dive into the fascinating world of mild steel!
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Fuel Line Specifications: Size, Thickness, Material
First, Overview of oil pipe specifications
Oil pipe is a kind of pipe commonly used in oil, natural gas, water and other industries, and is also widely used in construction, chemical industry, metallurgy and other fields. The specification of oil pipe usually consists of outer diameter (OD), wall thickness (WT), length (L) and other factors. In practice, the selection of oil pipe size depends on the specific requirements of the desired application.
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The Main Advantages Of Epoxy Resins In Corrosion Protection And Thermal Insulation
The advantages of epoxy resin are:
1. convenient curing. The curing temperature range of epoxy resin system is 0-180℃.
2. strong adhesion. Epoxy resin has low shrinkage and low internal stress, which is conducive to improving adhesive strength.
3.Low shrinkage force. The curing process of epoxy resin shows very low shrinkage.
4. Epoxy resin system has excellent mechanical properties.
5. Epoxy resin system is an excellent insulating material with high dielectric properties, surface leakage resistance and arc resistance.
6. The epoxy resin system has excellent alkali resistance, acid resistance and solvent resistance. It has special chemical stability.
7. The epoxy resin system has excellent dimensional stability and durability.
8. The epoxy resin system is resistant to most fungi and can be used in harsh tropical environments.
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The Role Of Epoxy Resin Injected Into The Steel Pipe
Epoxy resin injected into the steel pipe can play many roles, mainly including the following aspects.
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What Kind Of Material Is Drill Pipe Made Of?
1. Material of Drill Pipe
Drill pipes are generally made of high-strength alloy steel. This alloy steel consists of various elements such as steel, chromium, molybdenum, manganese and silicon, and is characterized by high strength, high toughness and corrosion resistance. The manufacture of drill pipe must follow API specifications to ensure its quality and performance.
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What Are The Common Materials For Drill Pipes?
1. Jointed Steel Drill Pipe
Jointed steel is a steel made of a combination of two or more materials with high strength and wear resistance, which is widely used in oil drilling. Jointed steel drill pipe consists of jointed steel pipes, which have better corrosion resistance and are suitable for general drilling work.
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Properties And Uses Of High-Carbon Steel
I. Definition of high carbon steel
High carbon steel is a steel material with carbon content between 0.6%~2.5%, which is a kind of high strength and high hardness steel. Among them, 0.7%~0.8% is the common high carbon steel carbon content range.
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Carbon Steel Pipe Anti-Corrosion Methods
First, lining anti-corrosion
Lining anticorrosion is to prevent the corrosion of the pipe wall by coating the inside of the pipe with chemically stable anticorrosive materials, such as fluorine plastic, polyester and so on. This method is suitable for pipelines conveying various chemical liquids, such as acid, alkali, etc., but the price is high, and the scope of application has certain limitations.
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