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2024-09-30

SCH 80 Seamless Stainless Steel Pipe Specifications

Stainless steel is a common material for making all kinds of pipes. Thick-walled stainless steel unthreaded pipes, also known as Schedule 80 stainless steel pipes, provide super strong connections. They can be welded to obtain extra length, and welded connections are said to be stronger than threaded connections. Because they are less likely to leak. These sch 80 stainless steel pipes are seamless, smooth inside, and unrestricted flow. They have the strength to resist corrosion and withstand high pressure. They are used to transmit air, water, oil, natural gas, and hydraulics.

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2024-09-30

ERW pipe vs.HFW pipe

ERW pipe manufacturing processes include HFW. ERW has low-frequency, medium-frequency, and high-frequency welding processes, and HFW is specifically for high-frequency resistance welding. The difference between ERW and HFW steel pipes is that EFW is an ERW process used for ordinary and thin-walled steel pipes.

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2024-09-29

304 VS 316 stainless steel pipes

The "stainless steel" we usually say is called "stainless acid-resistant steel". It is actually very simple to make steel rust-proof. You just need to add some metal impurities to make alloy steel (such as adding chromium). But rust-proof only means that it will not be corroded by air, and the ability is still too poor. So we also need it to be resistant to chemical corrosion, so "stainless acid-resistant steel" appeared. To make stainless acid-resistant steel, you need to add many kinds of metals, and different metal formulas form different stainless steels. 304 and 316 stainless steel are the two most widely used stainless steel casting grades in the world. Both have excellent corrosion resistance and use value. According to different production methods, these two metal pipes can be divided into stainless steel seamless pipes and welded pipes.

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2024-09-29

What types of steel are used in pipelines?

In the application of industrial pipelines, the choice of steel is crucial. Different types of steel have different physical and chemical properties, so when choosing the right material, the use environment and requirements of the pipeline need to be considered. This article will explore several common types of pipeline steel, including carbon steel, alloy steel, stainless steel, galvanized steel, and the manufacturing characteristics of seamless and seamed pipes.

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2024-09-27

ASTM A312 Stainless Steel Pipe

ASTM A312 standard stainless steel pipes are widely used in modern industry, and their superior physical and chemical properties make them an ideal choice for many industries. This article will take a deep look at the specifications, material properties, application areas, and performance of ASTM A312 stainless steel pipes in different environments.

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2024-09-27

What is a flat welding flange?

Flat welding flange is a pipe flange commonly used for pipeline connection, also called ordinary flat welding flange or flat flange for short. It usually consists of two flanges, some bolts and gaskets. By connecting the two flanges tightly with bolts and gaskets, the connection and sealing of pipelines, pumps, valves, instruments and other equipment can be achieved.

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2024-09-26

What is 304 stainless steel seamless pipe?

Speaking of stainless steel, it is very common in our lives. Because stainless steel has a good anti-corrosion effect, it is widely used in daily life. For example, our kitchen utensils, the stainless steel frying pans we use, and stainless steel tableware, etc. are widely used in our lives. In fact, there are many types of stainless steel. Do you know about stainless steel seamless pipes? Let's talk about it.

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2024-09-26

ASTM A53 Black Steel Pipe

The ASTM A53 standard was developed by ASTM International and covers carbon steel pipes for a variety of purposes, including seamless and welded pipes. ASTM A53 black pipe (also known as ASME SA53 pipe) is widely used in mechanical and pressure applications, as well as general purposes for steam, water, gas and air piping. The standard applies to welding and covers forming operations such as coiling, bending and flanging, although there are limitations under certain conditions.

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2024-09-25

Line Pipe vs OCTG Pipe

In the oil and gas industry, line pipe and OCTG pipe (Oil Country Tubular Goods) are vital components. Although they are both used for the transportation and extraction of fluids, there are significant differences between the two in terms of design, materials, production processes and application areas. This article will explore the differences between line pipe and OCTG in order to better understand their roles in the energy industry.

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2024-09-25

What is a galvanized square tube?

Galvanized square tube is a hollow square section steel tube with a square cross-sectional shape and size made of hot-rolled or cold-rolled galvanized strip steel or galvanized coil as blank, which is formed by cold bending and then high-frequency welding, or a galvanized square tube made by hot-dip galvanizing of a pre-made cold-bent hollow steel tube. Hot-dip galvanized square tubes are divided into seamless and welded ones. Seamless square tubes are formed by extruding seamless round tubes.

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2024-09-24

SCH 80 Seamless Steel Pipe

Seamless steel pipe (SMLS Pipe) is a kind of steel pipe made by heating steel billet, perforating, rolling and cooling. Compared with welded steel pipe, seamless steel pipe has significant advantages in appearance and performance. First, the inner and outer walls of seamless steel pipe are smooth, without welds and scales, which can reduce the resistance of fluid flow, prevent fluid contamination, and ensure higher conveying quality. Secondly, seamless steel pipe has excellent strength and pressure resistance, simpler structure, stronger durability, can withstand higher pressure and temperature, suitable for high pressure and high precision working environment, and longer service life.

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2024-09-24

Application of seamless stainless steel pipes

Seamless stainless steel pipes are steel pipes that are manufactured without any welding or joining seams. These pipes are made from solid round billets that are heated and then passed through the center with a mandrel. This process produces a hollow tube that is then rolled up and stretched to the desired length and diameter.