Usage and standard of carbon seamless steel pipe

Seamless steel pipes are integral to various aspects of daily life and are employed in numerous applications. They are used for:

Line pipes for oil, natural gas, water, and fluid transmission

API 5CT Casing and Tubing

Drill pipes

Boiler tubes

Mechanical pipes

Cylinder pipes

Standards and Uses of Carbon Seamless Steel Pipes:

API 5L Gr.B: Specification for line pipes.

ASTM A106 Gr.B: Seamless carbon steel pipes for high-temperature service.

ASTM A53: Specification for black steel seamless pipes.

ASTM A161: Seamless low-carbon and carbon-molybdenum steel still tubes for refinery service.

ASTM A179: Seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes.

ASTM A192: Seamless carbon steel boiler tubes for high-pressure service.

ASTM A210: Seamless medium-carbon steel boiler and superheater pipes.

ASTM A213: Seamless ferritic alloy steel boiler, superheater, and heat-exchanger pipes.

ASTM A519: Seamless carbon and alloy steel for mechanical tubing.

ASTM A556: Seamless cold-drawn carbon steel feedwater heater tubes.

Union Steel Industry offers a range of seamless carbon steel pipes with outer diameters from 10.3 mm to 1219.2 mm. For inquiries, please contact: sales@union-steels.com