Nov 27, 2025 Leave a message

ASTM A672 C70 Class 12, 22, 32 Carbon Steel EFW Pipe

ASTM A672 C70 Class 12, 22, 32 Carbon Steel EFW Pipe description

ASTM A672 CC70 is an electrofusion welded steel pipe under the American Society for Testing and Materials (ASTM) standard, specifically designed for medium-temperature and high-pressure applications. Its chemical composition features a carbon content controlled below 0.30%, with appropriate amounts of alloying elements such as manganese and silicon added, while strictly controlling the content of harmful elements such as sulfur and phosphorus. After normalizing treatment, the material exhibits excellent mechanical properties, with a tensile strength exceeding 485 MPa at room temperature, a yield strength of not less than 275 MPa, and an elongation maintained at approximately 30%.

 

ASTM A672 grade c70 Pipe Chemical Composition

ASTM A672 Grade C70 Pipe Chemical Composition

 

ASTM A672 grade c70 Pipe Mechanical Properties

ASTM A672 grade c70 Pipe Mechanical Properties

 

Applications of ASTM A672 C70 Class 12, 22, 32 Straight Seam Welded Pipe

A672C70 straight seam welded pipe is widely used in various fields due to its excellent performance. In the oil and gas industry, this steel pipe is commonly used in long-distance transportation pipelines, gathering and transmission pipelines, and urban gas pipeline systems. Its high strength and corrosion resistance effectively meet the challenges of high pressure and corrosive media.

In the chemical industry, A672C70 straight seam welded pipe is often used in pipeline systems for transporting corrosive media such as acids and alkalis. In addition, this material is also commonly used in boiler pipelines and heating pipelines in the power industry. In recent years, with the rapid development of marine engineering, the application of A672C70 straight seam welded pipe in subsea pipelines, platform structures, and other fields has also gradually increased.

 

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