E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Nov. 02, 2026
Low-carbon steel seamless pipes are seamless tubes manufactured from carbon steel with a carbon content of ≤0.25% through processes such as piercing and rolling. Characterized by moderate strength, excellent plasticity and toughness, and ease of processing, they are among the most widely used basic tubular products in industrial applications. Due to their superior workability, they are commonly referred to in the industry simply as "low-carbon steel."
Performance characteristics of low-carbon steel seamless pipes:
1. Excellent plasticity and toughness: The low carbon content ensures high ductility, facilitating cold-working processes—such as bending, flaring, and stamping—while minimizing the risk of cracking.
3. Good weldability: A low carbon equivalent prevents the formation of hardened microstructures in the heat-affected zone (HAZ) during welding, allowing for high-quality welds without the need for complex preheating. With a carbon equivalent (Ceq) of ≤0.40%, these pipes are well-suited for on-site welding.
4. Seamless integrity: Unlike welded steel pipes, these tubes have no weld seams, offering greater reliability under conditions involving pressure fluctuations and vibrations. They are particularly well-suited for low-to-medium pressure applications where high safety standards are required, such as in hydraulic systems and rotating machinery.
5. Basic corrosion resistance: Carbon steel is not inherently corrosion-resistant; therefore, surface treatments—such as galvanizing, plastic coating, or epoxy coating—are often applied to enhance durability.
Manufacturing processes:
Hot-rolled pipes: Offer high production efficiency and low costs; suitable for general structural applications and mass production.
Cold-drawn pipes: Feature high dimensional precision (up to H8–H9 tolerance grades) and a smooth surface finish; ideal for hydraulic cylinders and precision mechanical components.
Common dimensions:
Outer diameters range from Φ10 mm to Φ630 mm, with wall thicknesses from 1.0 mm to 40 mm. Standard lengths are typically 6 m or 12 m.
Delivery condition: Generally supplied in a hot-rolled, cold-drawn, or normalized state. Typical Applications:
Due to their cost-effectiveness, ease of processing, and absence of weld seams, low-carbon steel seamless pipes are widely used in the following sectors:
1. Fluid Transport: Water supply and drainage piping, fire protection piping, low-pressure steam piping, and compressed air piping;
2. Mechanical Manufacturing: Hydraulic cylinders, pneumatic cylinders, bearing sleeves, drive shafts, and conveyor rollers;
3. Construction and Structural Engineering: Scaffolding, structural steel support columns, bridge railings, and space frame structures;
4. Automotive Industry: Drive shafts, shock absorber reservoirs, and exhaust pipe brackets;
5. Everyday Items: Furniture frames, sports equipment, street light poles, and garment racks.
Latest News
Industry News
Nov. 02, 2026
Low-carbon steel seamless pipe
Low-carbon steel seamless pipes are seamless tubes manufactured from carbon steel with a carbon content of ≤0.25% through processes such as piercing and rolling. Characterized by moderate strength, excellent plasticity and toughness, and ease of processing, they are among the most widely used basic tubular products in industrial applications. Due to their superior workability, they are commonly referred to in the industry simply as "low-carbon steel."
Industry News
Oct. 30, 2026
How to select carbon steel elbows with the appropriate wall thickness for industrial piping systems?
In industrial piping systems, carbon steel elbows are critical connecting components primarily used to change the direction of fluid flow. They are widely employed across sectors such as oil and gas, chemical processing, power generation, shipbuilding, and water treatment.
Industry News
Oct. 28, 2026
In industrial piping systems, pipe fittings—though only one component of the overall piping infrastructure—are critical to the compatibility of connections, the operational reliability of the system, and the project’s construction schedule.
Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
FAQ
What certifications do your products have?
Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.
How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)
Get Quote
Have questions or need a custom solution? Reach out to us!
Our team at Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
You Can Contact Us in the Following Ways
authentic013@steelpipes-fitting.com
+86 13668807131
Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
Get Quote
At Authentic, we understand that every project has unique requirements. Our dedicated team is here to provide you with a customized quote tailored to your specific needs. By filling out the form below, you’ll receive competitive pricing, high-quality product details, and estimated delivery times.
中文
Русский
Español
عربي
