Seamless steel pipes are widely used across various industries due to their strength, durability, and versatility. This article will briefly introduce scope of application and technical requirements of seamless steel pipes.

Seamless steel pipes for pressure vessels, commonly known as high-pressure boiler tubes, are essential components used in the manufacture of various pressure vessels and boilers. Their primary function is to transport media under high temperature and pressure to equipment such as power station boilers, chemical machinery, and nuclear power plant systems. Consequently, these pipes must exhibit exceptional performance characteristics, including excellent mechanical properties, high-temperature resistance, corrosion resistance, and reliable weldability.

Small-diameter precision seamless steel pipes are specialized products known for their combination of compact size and precision manufacturing. These pipes are created without seams and adhere to strict tolerances, ensuring consistent dimensions and surface finishes. This article will briefly introduce uses of small-diameter precision seamless steel pipes.

With the rapid advancement of industry, carbon steel seamless pipe (CS seamless pipe) has become increasingly prevalent across various sectors. Its processing technologies are now receiving significant attention due to its desirable features such as a hollow cross-section, uniform wall thickness, smooth internal and external surfaces, and consistent quality. These characteristics make it a vital material for fluid transmission, including oil, natural gas, and water, as well as structural and mechanical components. This article will outline the eight major processing techniques for structural carbon steel seamless pipes

Seamless pipes (SMLS pipes) are widely used in various industrial applications, and their performance and quality are directly influenced by the raw materials used. Therefore, selecting high-quality raw materials is essential for producing top-grade seamless steel pipes.

Boiler tubes are classified into three primary categories based on material: carbon steel, alloy steel, and stainless steel. To ensure the durability, safety, and performance of boiler tubes under various pressure conditions, boiler tubes need to confirm with ASTM standard. This blog will talk about ASTM standard for low and medium pressure carbon steel boiler tubes.

ASTM A795 ERW pipes are electric resistance welded pipes manufactured according to the standards set by ASTM International. These pipes are specifically designed for fire protection systems and meet strict quality and performance criteria.

To accurately identify the tempering temperature during the heat treatment of seamless steel pipes, the tempering temperature can be determined by observing the tempering color. The tempering color changes with temperature, and these variations differ based on the material being treated. Below is a breakdown provided by experts.

The impact toughness of high-pressure seamless pipes represents the material's resistance to external impact loads, typically measured by the impact energy (Ak) in Joules (J). This article will briefly introduce impact toughness of high pressure seamless pipe.

The ASTM A53 standard specifies the chemical composition and mechanical properties of seamless steel pipes, commonly used for mechanical and pressure applications, as well as for steam, water, and gas transportation.

This article will briefly introduce ASTM A210-standard specification for seamless boiler and superheater tubes.

Submerged arc welding (SAW) is a process where the arc burns under a layer of flux. Submerged arc welded pipes primarily include straight seam submerged arc welded pipes (LSAW) and spiral submerged arc welded pipes (SSAW). Below are the main defects commonly seen in the weld appearance of SAW pipes.