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2025-07-02

Understanding Stainless Steel Pipe Tees: A Complete Guide

Stainless steel tees are key pipe fittings used for pipe branch connections. They are divided into two categories: equal-diameter tees and reducing-diameter tees according to the difference in pipe port diameters. This product uses manufacturing processes such as hydraulic bulging, hot pressing or welding. Applicable materials include stainless steel materials such as 304 and 316L, and comply with more than ten international standards such as the national standard (GB/T12459) and the American standard (ASME B16.9). As a core component of the industrial pipeline system, stainless steel tees have the functions of flow diversion, confluence, pressure balance and direction conversion. They are widely used in petrochemical, natural gas transportation, power equipment, food and pharmaceutical industries, and their corrosion resistance is enhanced through processes such as pickling and passivation.

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2025-07-02

What is hot-dip galvanized ERW steel pipe?

Hot-dip galvanized ERW steel pipe is the product of the combination of two mature processes. It is first made into a steel pipe through a resistance welding process, and then hot-dip galvanized to finally form a metal pipe with excellent performance. ERW (Electric Resistance Welding) stands for high-frequency resistance welding. This process heats and melts the edge of the tube blank through the skin effect and proximity effect of high-frequency current, and performs pressure welding under the action of the extrusion roller. Production can be achieved without the use of welding filler materials. Hot-dip galvanizing is to immerse the already formed ERW steel pipe in molten zinc liquid at about 500°C, so that a uniform zinc-iron alloy layer is formed on the surface of the steel pipe, giving the steel decades of anti-corrosion protection

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2025-07-01

What are the application areas of boiler tubes?

As a key component of boiler equipment, boiler tubes are widely used in thermal power, industrial boilers, central heating and other fields, and their quality and performance are directly related to energy conversion efficiency and operation safety. According to incomplete statistics, the amount of boiler tubes used in a million-kilowatt ultra-supercritical thermal power unit can reach thousands of tons, covering various key parts from the heating surface of the furnace to the steam pipeline. The field of industrial boilers is also an important place for boiler tubes. In many industrial subdivisions such as chemical industry, metallurgy, papermaking, building materials, etc., the production process is inseparable from the heat energy provided by steam.

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2025-07-01

Why Choose LSAW Pipe in Oil and Gas Pipeline Projects

With its unique technical characteristics, LSAW steel pipes for oil and gas pipelines have taken a leading position in the global energy infrastructure sector. Compared with other pipeline materials such as spiral submerged arc welded pipes and seamless steel pipes, LSAW steel pipes have demonstrated unparalleled advantages in large-diameter high-pressure transmission, becoming the preferred solution for transnational long-distance pipelines, submarine pipelines, and pipelines in harsh environments. From the frozen soil of Siberia to the hot deserts of the Persian Gulf, from deep-sea oil and gas fields to densely populated urban pipelines, LSAW steel pipes have proven their reliability and adaptability in a variety of extreme environments. By analyzing its engineering application advantages and actual cases, we can more fully understand the key value of this type of steel pipe in the oil and gas industry.

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2025-06-30

Advantages and disadvantages of 304 stainless steel butt welding flanges

Stainless steel welded flange, also known as high neck flange, differs from other flanges in that it has a prominent high neck. With the increase of height, the wall thickness of the protruding high neck will gradually be the same as the thickness and diameter of the pipe wall to be connected, which can increase the strength of the flange. 304 stainless steel welded flange is mainly used for pipeline connection in scenes with great environmental changes, such as high temperature, high pressure and low temperature pipelines. In pipeline engineering, stainless steel flange is mainly used for pipeline connection, which has the functions of connecting pipelines, maintaining pipeline sealing performance, and facilitating the replacement and disassembly of a pipeline to check the pipeline situation.

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2025-06-30

Characteristics of 316 stainless steel pipe

Grade 316 stainless steel is an austenitic form of stainless steel that has a molybdenum content of 2-3%. The added molybdenum makes the metal more resistant to pitting and corrosion and improves resistance to exposure to high temperatures. This grade of stainless steel is particularly effective when used in acidic environments. Using this metal, you can prevent corrosion caused by acetic acid, hydrochloric acid, and other forms of acid.

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2025-06-27

How to clean stainless steel elbows?

When the stainless steel elbow is rusted, a special cleaning agent is usually used to clean the rust spots. And it should be cleaned more often in daily use. If there is dust on the surface of the stainless steel elbow or stains that are easy to remove, it is recommended to clean it with warm water or weak detergent or even soapy water. If there is a film such as a trademark on the surface of the stainless steel elbow, it can also be cleaned with a weak detergent, but it needs to be cleaned and wiped dry with clean water.

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2025-06-27

What Is Mild Steel Hollow Section?

Mild steel hollow sections are hollow structural materials made from low-carbon steel containing less than 0.25% carbon. They offer advantages such as lightweight construction (up to 30% weight reduction compared to solid steel), high strength, excellent weldability, and cost-efficiency. These properties make them widely used across multiple industries—particularly in construction (accounting for 40% of total usage), automotive manufacturing (18%), and mechanical engineering.

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2025-06-26

ASTM A252 LSAW Steel Pipe for Structural Piling Projects

The production process of LSAW steel pipe is flexible, and it can produce any specifications and wall thickness within the product range. The production efficiency is lower than that of high-frequency straight seam welded steel pipe SSAW steel pipe. The biggest advantage of LSAW pipe is that it can produce high-frequency steel pipe, spiral steel pipe, and even specifications and models that seamless steel pipe cannot produce. The production cost of straight seam submerged arc welded pipe is higher than that of high-frequency steel pipe and spiral steel pipe, but there is a large price discount space compared with seamless steel pipe. Its standards include ASTM A252, API 5L, GB/T3091, EN10219, EN10210, EN10217, etc. Today we focus on ASTM A252 LSAW steel pipe.

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2025-06-26

What Is Schedule 40 Pipe Used For?

Schedule 40 pipe is widely used in plumbing, construction, irrigation, and industrial applications. It offers strength, corrosion resistance, and compatibility with a wide range of systems. Whether made from PVC, carbon steel, or stainless steel, Schedule 40 pipe provides a versatile solution for fluid transport, drainage, and structural support.

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2025-06-25

What are the anti-rust measures for drill pipe?

Drill pipes are widely used in mining, geological drilling, oil and gas exploration, and other related industries. As a crucial component of the drill string, they play a pivotal role in the drilling process. The quality of the drill pipes, along with proper maintenance and upkeep, significantly affects field performance, the likelihood of drilling tool failures, and overall construction costs. In this article, we will introduce effective anti-rust measures for drill pipes.

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2025-06-25

How to Select the Best API Tubing Pup Joint

As oil and gas drilling operations continue to evolve in complexity and precision, choosing the right tubing pup joint has become a critical aspect of well design and completion. Pup joints, though small in length, play a pivotal role in ensuring the proper spacing and structural integrity of the tubing string. This press release provides practical guidance for engineers, procurement teams, and field operators on how to choose a suitable tubing pup joint that meets both operational and regulatory demands.