Oil and gas

Standard: API SPEC 5CT API 5CT pipe Size (mm): Outer Dimensions: 6.0mm – 219.0mm Wall Thickness: 1.0mm – 30 mm Length: max 12000mm Application: gas, water and oil transportation in both oil and natural gas. The main steel grade of API 5CT: API 5CT J55, API 5CT K55, API 5CT N80, API 5CT L80, API 5CT P110.

GB 3087 Grade 20 refers to a specific grade of seamless carbon steel boiler and superheater tubes according to the Chinese National Standard GB 3087. These tubes are designed for high-pressure and high-temperature applications, commonly used in boilers and heat exchangers.

Square tube is formed from coil and then ran through a series of dies. It’s welded from the inside to form its shape. Square tubes are generally used for maintenance and structural purposes.

A106 Grade B pipe is a type of mild steel pipe used in many industries. They are available in different sizes, with standard thicknesses ranging from 3mm-12mm.