JIS Standard Seamless Carbon Steel Pipe

JIS G3454 is a Japanese industrial standard for carbon steel seamless pipes used in high-temperature and high-pressure applications, such as boilers and heat exchangers. It covers grades like STB340, STB410, and STB510, which are designed for strength, durability, and resistance to oxidation and scaling. These pipes are manufactured through hot or cold forming processes, ensuring precise dimensions and excellent surface quality.

Similarly, the JIS G3456 standard specifies requirements for carbon steel pipes used in high-pressure service. These pipes are designed to withstand high pressures and temperatures, making them suitable for applications in power plants, refineries, and other industrial systems. The jis g3456 standard ensures that the pipes meet stringent quality and safety criteria, providing reliable performance in critical applications.

For those in need of high-quality carbon steel pipes, understanding the specifications and applications of JIS standards like JIS G3454 and JIS G3456 is essential for ensuring the reliability and safety of your projects.

Types of JIS G3454 Standard Seamless Steel Pipe

Standard and Material Grades

The standard grades of JIS G3454 seamless pipes mainly include STPG370 and STPG410.

Chemical Compositions

STPG370: Carbon (C) content is ≤0.25%, Silicon (Si) content is ≤0.35%, Manganese (Mn) content is 0.30 - 0.90%, Phosphorus (P) content is ≤0.040% and Sulfur (S) content is ≤0.040%.

STPG410: Carbon (C) content is ≤0.30%, Silicon (Si) content is ≤0.35%, Manganese (Mn) content is 0.30 - 1.00%, Phosphorus (P) content is ≤0.040% and Sulfur (S) content is ≤0.040%.

Mechanical Properties

STPG370: The yield strength is ≥216 MPa, the tensile strength is ≥370 MPa, and the elongation is ≥30%.

STPG410: The yield strength is ≥245 MPa, the tensile strength is ≥410 MPa, and the elongation is ≥25%.

Advantages of JIS G3454 Seamless Tubes

High pressure resistance and excellent sealing performance—key attributes of jis tube—can ensure the safe operation of pipelines under high pressure.

Good corrosion resistance and high temperature resistance, prolonging the service life in harsh environments.

High dimensional accuracy and smooth inner and outer surfaces, reducing fluid resistance.

Applications of JIS G3454 Seamless tubes

JIS tube—a trusted choice for industrial fluid transmission—is widely used in the petroleum and natural gas industry for oil and gas transportation pipelines.

Applied in power plants for steam and water pipelines due to its high temperature and pressure resistance.

Also used in chemical industry pipelines to transport various corrosive media.

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