
Within the ASTM A53 standard, Grade A and Grade B are the most commonly applied grades. They differ significantly in terms of mechanical properties, manufacturing process requirements, and suitable applications. Understanding these differences is essential for selecting the right pipe for a specific project.
Sep 26, 2025 read more
The roughness coefficient of carbon steel pipe refers to the degree of surface irregularity or convexity on the inner wall of the pipe. It is a key parameter that measures the resistance to fluid flow and directly impacts transmission efficiency.
Sep 22, 2025 read more
Carbon steel pipes (especially low-carbon steel) are widely used due to their strength and plasticity. Bending is a common process, but it requires proper methods to avoid defects like wrinkling, ovality, cracking, or springback. This article will talk about how to bend carbon steel pipe.
Sep 19, 2025 read more
Seamless steel pipes (SMLS pipes) are widely used in the transportation of oil, natural gas, water, and other fluids. Because these applications demand high safety, reliability, and durability, SMLS pipeline pipes must comply with strict international and national standards. Below is an overview of the most important and commonly used standards for seamless pipes in pipeline systems.
Sep 16, 2025 read more
Compared with 304 stainless steel, 316 stainless steel contains additional nickel and molybdenum, and in China it is commonly known as 18Cr-12Ni-2.5Mo steel. Typically, 316 stainless steel has 2.0–3.0% more molybdenum than 304, which significantly improves its resistance to corrosion and high temperatures.
Sep 09, 2025 read more
Stainless steel flanges are an essential part of many piping systems, providing reliable connections in industries ranging from food processing to chemical engineering. Among the different materials available, 304 stainless steel flanges stand out for their excellent balance of performance, durability, and cost-effectiveness.
Sep 08, 2025 read more
Schedule 40 Carbon Steel Pipe is named for both the "Schedule" pipe wall thickness standard and the carbon steel material. SCH 40 carbon steel pipe combines strength, durability, and economy, widely applied in water supply, oil & gas, structures, and machinery.
Sep 03, 2025 read more
D500 Spiral Welded Steel Pipe is a widely used steel product across multiple industries, particularly in construction and engineering projects. As a high-performance material, it plays a crucial role in ensuring structural safety and reliability in modern infrastructure.
Sep 02, 2025 read more
ERW rectangular tube is a rectangular steel section produced through the high-frequency electric resistance welding (ERW) process. It combines the cost-effectiveness of welded pipes with the superior structural properties of rectangular sections, making it widely used in construction and engineering.
Aug 27, 2025 read more
The X120M longitudinal welded steel pipe is produced in strict accordance with the API 5L standard. Here is an overview of API 5L X120M longitudinal welded steel pipe.
Aug 25, 2025 read more
The API 5L standard, established by the American Petroleum Institute (API), is one of the most authoritative specifications in the global pipeline industry. It applies to both seamless and welded steel pipes, covering every aspect from manufacturing process, chemical composition, and mechanical properties to dimensions and heat treatment requirements. By setting clear criteria, API 5L ensures that pipeline systems operate safely, reliably, and efficiently in the transportation of oil, natural gas, and other fluids.
Aug 19, 2025 read more
In the transportation of energy resources such as oil and natural gas, corrosion resistance is critical for the long-term safety and reliability of steel pipelines. The API5L GRB PSL2 ERW high-frequency longitudinally welded steel pipe, featuring enhanced 3PE anti-corrosion protection, plays a vital role in ensuring secure energy transport.
Aug 18, 2025 read more
Continental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.