Are you in the market for high-quality steel seamless pipes? With countless factories in China, choosing the right one can feel overwhelming. Understanding the top manufacturers is crucial, as it ensures you get the best products for your projects. By comparing these factories, you can save time and money while securing reliable materials that meet your specifications. Ready to discover the leading steel seamless pipe factories in China? Join us as we explore the top contenders, helping you make an informed decision that will benefit your business. Let’s dive in!

China Carbon Steel Seamless Pipe Manufacturer and Supplier – UNIASEN

Product Details: Seamless steel pipe (SMLS Pipe) is a durable pipe without welding seams, suitable for commercial, industrial, and residential applications. UNIASEN is a manufacturer and supplier with over two decades of experience.

Technical Parameters:
– Standard: API 5L, API 5CT, ASTM A106, ASTM A53, ASTM A179, ASTM A789, ASTM A333,…
– Sizes: Out diameter: 1/4″-36″ (13.7mm ~914mm), Thickness: 1.65mm ~30.96mm, Lengt…

Application Scenarios:
– Used in engineering and manufacturing industries for transporting water, oil, an…
– Suitable for making ring parts and applications requiring high quality and safet…

Pros:
– Uniform shape and size, high strength due to lack of welds, and better corrosion…
– Can handle extreme temperatures and high pressure.

Cons:
– More expensive than welded pipes.
– Thickness tolerance can be unstable.

Top 5 Seamless Pipe Manufacturers and Suppliers in China – Nansteel

Product Details: Seamless steel pipes used in various industries including petroleum, natural gas, chemical, and construction.

Technical Parameters:
– High pressure resistance
– Corrosion resistance

Application Scenarios:
– Oil and natural gas transportation
– Chemical industry applications

Pros:
– Durable and reliable
– Wide range of applications

Cons:
– Higher production costs
– Limited availability in some regions

China Seamless Steel Pipe Suppliers, Manufacturers, Factory – CSPG

Product Details: Seamless steel pipe made of a single piece of metal with no seams, available in various types including hot rolled, cold rolled, and cold drawn.

Technical Parameters:
– Outside Diameter: 10.3-1219mm
– Wall Thickness: 1.5-30mm

Application Scenarios:
– Transporting fluids such as petroleum, natural gas, and water
– General structure and mechanical applications

Pros:
– Lighter weight compared to solid steel with the same strength
– Durable with a prolonged service life

Cons:
– Higher manufacturing costs compared to welded pipes
– Limited to specific sizes and dimensions

China Seamless Pipe Suppliers, Manufacturers, Factory – CSPG

Product Details: Seamless pipe is a long strip of steel with a hollow section and no joints, suitable for fluid conveying, boiler factories, engineering, and mechanical processing.

Technical Parameters:
– Material: 10#, 20#, A106B, A53B, API 5L, Q345, ST52, S355, etc.
– OD: 20–1016mm, WT: 2.5-80mm, Length: 5.8m, 6m, 8m, 9m, 12m or as required.

Application Scenarios:
– Fluid conveying pipes
– Boiler factories and engineering applications

Pros:
– Good sealing with no leakage
– Reduces energy waste

Cons:
– Limited to specific materials and dimensions
– Potentially higher cost compared to welded pipes

China Seamless Steel Pipe Factory – Seamless Steel Pipe Suppliers and …

Product Details: Seamless steel pipe is a type of steel pipe created by heating a solid steel billet and forming it into a seamless tube. It is known for its durability, strength, and resistance to corrosion.

Technical Parameters:
– Made from high-quality carbon steel
– Can withstand higher pressure and temperature than welded pipes

Application Scenarios:
– Oil and gas industry
– Chemical and petrochemical industries

Pros:
– Stronger than welded pipes due to lack of seams
– More durable and resistant to corrosion

Cons:
– Generally more expensive than welded pipes
– Limited customizability compared to welded options

Seamless Steel Pipe Factory | China Seamless Steel Pipe Manufacturers …

Product Details: Seamless Steel Pipe

Technical Parameters:
– Outer Diameter: Hot finish: 2″ – 30″, Cold drawn: 0.875″ – 18″
– Wall Thickness: Hot finish: 0.250″ – 4.00″, Cold drawn: 0.035″ – 0.875″

Application Scenarios:
– Used in heat exchangers and condensers
– Applicable in construction and oil drilling

Pros:
– High strength and durability
– Versatile applications in various industries

Cons:
– Higher cost compared to welded pipes
– Limited availability in certain sizes

Carbon steel seamless pipe Manufacturer in China,Steel Seamless Tubes …

Product Details: Carbon steel seamless pipe, galvanized steel pipe, square hollow tube, galvanized steel sheet, cold rolled steel sheet, Chequer plate, roofing sheet.

Technical Parameters:
– ASTM A53
– API 5L GR.B

Application Scenarios:
– Construction
– Manufacturing

Pros:
– High quality
– Timely shipment

Cons:
– Limited product range
– Potential for price fluctuations

China Seamless Steel Pipe Manufacturers, Suppliers, Factory – Seamless …

Product Details: Seamless steel pipes including ASTM A53, A192, A106, A179, A335, API 5CT, and API 5L specifications.

Technical Parameters:
– Low Carbon Steel Tubes with 0.06-0.18% carbon content
– Sizes range from 1/4”NB to 2”NB and OD from 12.7mm to 710mm

Application Scenarios:
– Pipeline applications
– Gas delivery and fluid transport

Pros:
– High quality and competitive pricing
– Wide range of specifications and sizes available

Cons:
– Limited information on specific product performance
– Potential variability in manufacturing quality

Stainless Steel Tube & Pipe manufacturer in China – Dongshang Stainless

Product Details: Stainless steel tubes and pipes manufactured by a certified ISO 9001:2015 company with over 15 years of experience, producing over 5000 tons annually.

Technical Parameters:
– Materials: Austenitic, Super Austenitic, Duplex, Inconel, Ferritic, Heat resisti…
– Standards: ASTM A269, A213, A249 for seamless and welded tubes

Application Scenarios:
– Building water supply
– Pharmaceutical industries

Pros:
– High corrosion resistance
– Competitive pricing

Cons:
– Limited to specific applications
– Potential for high initial cost

Top 20+ Stainless Steel Manufacturers in China | Exclusive

Product Details: Stainless steel products including coils, sheets, and strips from top manufacturers in China.

Technical Parameters:
– Grades: 201, 304, 316L, 430, etc.
– Thickness: 0.3-10.0 mm

Application Scenarios:
– Construction and architecture
– Automotive and machinery manufacturing

Pros:
– High-quality products from certified manufacturers
– Diverse range of stainless steel grades and finishes

Cons:
– Potentially higher costs compared to local suppliers
– Longer lead times for international shipping

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Comparison Table

Company	Product Details	Pros	Cons	Website
China Carbon Steel Seamless Pipe Manufacturer and Supplier – UNIASEN	Seamless steel pipe (SMLS Pipe) is a durable pipe without welding seams, suitable for commercial, industrial, and residential applications. UNIASEN is…	– Uniform shape and size, high strength due to lack of welds, and better corrosion… – Can handle extreme temperatures and high pressure.	– More expensive than welded pipes. – Thickness tolerance can be unstable.	uniasen.com
Top 5 Seamless Pipe Manufacturers and Suppliers in China – Nansteel	Seamless steel pipes used in various industries including petroleum, natural gas, chemical, and construction.	– Durable and reliable – Wide range of applications	– Higher production costs – Limited availability in some regions	www.nan-steel.com
China Seamless Steel Pipe Suppliers, Manufacturers, Factory – CSPG	Seamless steel pipe made of a single piece of metal with no seams, available in various types including hot rolled, cold rolled, and cold drawn.	– Lighter weight compared to solid steel with the same strength – Durable with a prolonged service life	– Higher manufacturing costs compared to welded pipes – Limited to specific sizes and dimensions	www.cnspipes.com
China Seamless Pipe Suppliers, Manufacturers, Factory – CSPG	Seamless pipe is a long strip of steel with a hollow section and no joints, suitable for fluid conveying, boiler factories, engineering, and mechanica…	– Good sealing with no leakage – Reduces energy waste	– Limited to specific materials and dimensions – Potentially higher cost compared to welded pipes	www.cnspipes.com
China Seamless Steel Pipe Factory – Seamless Steel Pipe Suppliers and …	Seamless steel pipe is a type of steel pipe created by heating a solid steel billet and forming it into a seamless tube. It is known for its durabilit…	– Stronger than welded pipes due to lack of seams – More durable and resistant to corrosion	– Generally more expensive than welded pipes – Limited customizability compared to welded options	www.jundesteelpipe.com
Seamless Steel Pipe Factory	China Seamless Steel Pipe Manufacturers …	Seamless Steel Pipe	– High strength and durability – Versatile applications in various industries	– Higher cost compared to welded pipes – Limited availability in certain sizes
Carbon steel seamless pipe Manufacturer in China,Steel Seamless Tubes …	Carbon steel seamless pipe, galvanized steel pipe, square hollow tube, galvanized steel sheet, cold rolled steel sheet, Chequer plate, roofing sheet.	– High quality – Timely shipment	– Limited product range – Potential for price fluctuations	www.chengsenchina.com
China Seamless Steel Pipe Manufacturers, Suppliers, Factory – Seamless …	Seamless steel pipes including ASTM A53, A192, A106, A179, A335, API 5CT, and API 5L specifications.	– High quality and competitive pricing – Wide range of specifications and sizes available	– Limited information on specific product performance – Potential variability in manufacturing quality	www.baosteelpipes.com
Stainless Steel Tube & Pipe manufacturer in China – Dongshang Stainless	Stainless steel tubes and pipes manufactured by a certified ISO 9001:2015 company with over 15 years of experience, producing over 5000 tons annually.	– High corrosion resistance – Competitive pricing	– Limited to specific applications – Potential for high initial cost	www.dsstainlesssteel.com
Top 20+ Stainless Steel Manufacturers in China	Exclusive	Stainless steel products including coils, sheets, and strips from top manufacturers in China.	– High-quality products from certified manufacturers – Diverse range of stainless steel grades and finishes	– Potentially higher costs compared to local suppliers – Longer lead times for international shipping

Frequently Asked Questions (FAQs)

What are steel seamless pipes used for?

Steel seamless pipes are commonly used in various industries, including oil and gas, construction, and manufacturing. They are ideal for high-pressure applications due to their strength and durability. You’ll find them in pipelines, structural applications, and equipment manufacturing.

How are steel seamless pipes manufactured?

Steel seamless pipes are made by heating a solid round steel billet and then piercing it to create a hollow tube. This process is followed by elongation and sizing to achieve the desired dimensions. The result is a strong, uniform pipe without any welded seams.

What are the advantages of seamless pipes over welded pipes?

Seamless pipes offer several advantages, including higher strength, better resistance to pressure, and improved reliability. Since they lack welds, they are less prone to leaks and failures, making them a preferred choice for critical applications.

How do I choose the right seamless pipe for my project?

To choose the right seamless pipe, consider factors like the material grade, size, wall thickness, and intended application. It’s also essential to check for compliance with industry standards and certifications to ensure quality and safety.

Are seamless pipes more expensive than welded pipes?

Yes, seamless pipes are generally more expensive than welded pipes due to their manufacturing process and superior properties. However, the investment can be worthwhile for applications requiring high strength and reliability, as they often lead to lower maintenance costs over time.