-
2025-04-11Product News
Square and rectangular tubes for construction machinery
In construction machinery, square and rectangular steel tubes are essential structural components. They provide critical support for strength, stability, and durability, directly influencing the performance and safety of machinery. This article explores their key characteristics, applications, advantages, and future market trends.
-
2025-04-11Product News
Main uses of thick-walled seamless steel pipes in industry
Thick-walled seamless steel pipes are widely used across various industrial sectors due to their exceptional properties, including high strength, excellent pressure resistance, and superior corrosion resistance. United Steel Industry Co., Ltd. outlines the main industrial applications of thick-walled seamless steel pipes as follows.
-
2025-04-10Product News
How to care and maintain stainless steel welded pipes?
Stainless steel welded pipes are widely used in construction, chemical processing, food manufacturing, and other industries due to their high strength and excellent corrosion resistance. However, their service life—ranging from a few years to several decades—can vary greatly depending on environmental conditions and daily maintenance. Here’s how to properly care for stainless steel welded pipes to maximize their longevity.
-
2025-04-10Product News
Key considerations when welding galvanized steel pipes
Galvanized steel pipes are widely used due to their excellent corrosion resistance, long service life, and relatively low cost. As their application becomes more common in construction, piping, and equipment support, it’s important to handle them correctly—especially during welding. Careless welding practices can cause serious issues. So, what should you pay attention to when welding galvanized steel pipes?
-
2025-04-09Product News
Introduction to high pressure boiler tubes
As a specialized member of the seamless steel pipe family, high-pressure boiler tubes play a critical role across various industrial sectors. While their manufacturing process is similar to that of standard seamless pipes, the material requirements are significantly more demanding. These tubes are typically made from high-quality carbon steel or alloy steel, providing them with excellent mechanical and chemical performance.
-
2025-04-09Product News
Welded vs seamless stainless steel heat exchanger tubes
In industrial design and manufacturing, one frequently asked question is whether to use welded or seamless stainless steel pipes for heat exchanger tubes. Both types have distinct characteristics, and the best choice depends on specific application requirements and operational conditions.
-
2025-04-08Product News
316L vs 304 stainless steel pipe in corrosion resistance
316L stainless steel and 304 stainless steel are two widely used austenitic stainless steels. While they share many similar properties, key differences in chemical composition lead to distinct variations in their corrosion resistance. Below, United Steel Industry Co., Ltd provides a detailed comparison of the corrosion resistance performance of 316L and 304 stainless steel pipes.
-
2025-04-08Product News
Service life of galvanized steel pipes
The longevity of galvanized steel pipes is closely tied to the galvanizing process used during manufacturing. Two common methods—hot-dip galvanizing and cold-dip (electro) galvanizing—differ significantly in protection performance. This article will briefly introduce service life of galvanized steel pipes.
-
2025-04-07Product News
AP MP BA and EP grade stainless steel pipe
Beyond brand, material, and manufacturing techniques, one of the most significant factors influencing the price and performance of stainless steel pipes is the surface treatment applied to both the inner and outer walls of the pipe. Surface finishing not only enhances aesthetic appearance but also improves corrosion resistance, hygiene, and mechanical properties. Common surface treatment methods include Acid Pickling (AP), Mechanical Polishing (MP), Bright Annealing (BA), and Electropolishing (EP). So, what distinguishes AP, MP, BA, and EP treatments?
-
2025-04-07Product News
Introduction to hot-dip galvanized seamless steel pipe
Hot-dip galvanized seamless steel pipes are widely utilized across various industries thanks to their exceptional corrosion resistance and reliable structural integrity. The selection of pipe material plays a critical role in determining not only the safety and service life of the pipe, but also the overall quality and durability of engineering projects.
-
2025-04-03Product News
Thermal expansion of stainless steel pipes
Thermal expansion refers to the increase in the volume of a material as its temperature rises. In stainless steel pipes, this phenomenon occurs due to the intensified thermal motion of molecules, which increases intermolecular distances and results in expansion. This is a universal physical property observed in most materials when heated. This article will briefly introduce thermal expansion of stainless steel pipes.
-
2025-04-03Product News
Understanding the density of seamless carbon steel pipes
Seamless carbon steel pipes are widely used in various industries, making it essential to understand their density for proper selection and application.
