Carbon seamless steel pipes advantages are high pressure resistance, good toughness, long pipe sections and few joints.

Carbon steel seamless pipes are made by drawing a solid billet over a piercing rose to create a cylindrical hollow section without welding or a seam. They are preferred for higher pressure pipe systems and are widely used in the manufacturing of pipe fittings such as bends, elbows, and tees. They are also used in the nuclear device, gas conveyance, petrochemical, shipbuilding and boiler industries.

What is seamless carbon steel pipe?

Seamless carbon steel pipe is a type of steel pipe that is manufactured without any welded joints or seams. It is produced by piercing a solid billet of carbon steel to create a hollow tube. The absence of a weld seam in seamless carbon steel pipes makes them stronger and more reliable for high-pressure and high-temperature applications compared to welded pipes.

Seamless carbon steel pipes are commonly used in industries such as oil and gas, petrochemical, power generation, and refineries. They are suitable for conveying various fluids and gases, including water, oil, natural gas, and steam. The seamless construction of these pipes ensures smooth flow and reduces the risk of leaks or failures.

Seamless carbon steel pipes come in various sizes, wall thicknesses, and grades to meet different application requirements. They are often manufactured according to industry standards such as ASTM A53, ASTM A106, API 5L, and others.

Overall, seamless carbon steel pipes offer excellent strength, durability, and resistance to corrosion, making them a preferred choice for many critical applications in various industries.

What is the difference between carbon steel pipe and seamless steel pipe?

1. Carbon steel pipe: is made of iangot or round solid steel perforated into capillary, and then made by hot rolling, cold rolling or cold pull-out.
2. Seamless steel pipe: steel pipe made of whole metal with no joints on the surface.

What grade is carbon steel seamless pipe?

The complex chemical and physical properties of the various grades of carbon steel pipe allow for a broad range of service usage. American Piping Products has the right grade, size and price to meet your requirements, including A/SA-106 Grade B/C and API 5L X- 42 thru X -70. A/SA-106 Grades B & C are utilized for services ranging from structural supports to steam drum headers with temperature ranges up to 800°F, while API 5L X Grades 42 thru 70 are utilized for the water and petroleum industry to transport liquids or as platforms on off-shore rigs.

Typical carbon steel pipe material grades in API 5L Grade B, X42 to X70, ASTM A106 B, ASTM A53 B, ASTM A252 Grade 3 and ASTM A333 Grade 6 etc. Octal offers various of carbon steel pipes including seamless, welded (ERW EFW, LSAW, SSAW) steel pipes for the mining industries.

What are the different types of carbon steel pipes

The Carbon Steel pipes are manufactured in various types, as given below:

Carbon Steel Seamless Pipe

 – it contains more carbon and iron in its composition. Depending on the grade, trace amounts of silicon, manganese, and copper are permitted in varying quantities. Therefore, the Carbon Steel Seamless Pipe material is stronger and is extremely resistant to stress. In heavy-duty facilities, these features make the pipes applicable.

Carbon Steel ASTM A335 Pipe

 – The ASTM A335 P11 Seamless Pipe consists of carbon steel with a minimum tensile strength of 415MPa and a minimum yield strength of 205MPa. The material has high durability and high resistance to wear and tear. They are made up of Carbon, manganese, phosphorus, sulphur, silicon, chromium, and molybdenum. The composition of the ASME SA335 Grade Crome Pipe gives it the characteristics of strength, strength, stiffness, wear resistance, hardness, hot hardness, and corrosion resistance.

Carbon Steel Fabricated Pipes

 – offer high durability, corrosion resistance, and tensile strength. The Carbon Steel Fabricated Pipes are used in various industries such as Oil & Gas Industry, Chemical Industry, Metallurgical Industry, Energy Industry, Ships Industry, Desalination Industry, Food Industry, and Pulp and Paper Industry.

Carbon Steel Welded Pipe

 – are used in high-pressure conditions. In a range of industries, such as the transport of water and waste, the oil and gas industries, high-pressure applications, and chemical manufacturing, carbon steel pipes are commonly used.

Carbon Steel ERW Pipe

 – have various features like Lightweight, Corrosion resistance, structured appropriately, Precision engineered, intricate detailing, Economical, and more. These ERW pipes are used in Ship Building, Automobile, Boilers & Pressure Vessels, Railways, Oil & Petro Chemicals, Coal & Mining, Transmission Towers, and General & Heavy Engineering.

Carbon Steel LSAW Pipe

 – has some fine features such as easy installation, seamless finish, Rustproof, and more. As these LSAW pipes are expensive, they are not widely used in lower value non-energy applications such as water pipelines.

Available grades and size range

Carbon steel is an alloy with carbon and iron, with carbon content up to 2.1% by weight. The increase in the carbon percentage will raise steel’s hardness and strength, but it will be less ductile. Carbon steel has good properties in hardness and strength, and it is less expensive than other steels.

API SPEC 5CT

API SPEC 5L

ASTM / ASME

DIN

BS