Steel Pipe

ChengduShushengtai Steel Co., Ltd. is a leading Chinese manufacturer and supplier of steel pipes, specializing in the production of line pipes, galvanized steel pipes, square tubes, welded pipes, and other customized metal products. Our steel pipes are known for their high tensile strength, excellent corrosion resistance, and superior weldability, making them widely used in construction, oil and gas transmission, machinery manufacturing, and structural engineering.

API 5L X60 Line Pipe
Application: for making oil and gas pipeline.
Main steel numbers: X42 L290 X46 L320 X52 L360 X56 L390 X60 L415, etc read more
HDG Steel Welded Pipe
Hot dip galvanized surface, uniform coating.
Good corrosion resistance, long service life.
Stable welding, high strength, good toughness.
Complete specifications, customizable...
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304 Stainless Steel Galvanized Pipe
Professional supplier for 304 stainless steel galvanized pipe with stable quality and large stock.
Combines superior corrosion resistance and extra anti-rust protection from galvanized...
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Stainless Steel Square Pipe
Made of premium 304/316 stainless steel, excellent corrosion resistance.
High strength square hollow tube, stable structure, long service life.
Smooth surface, polished/brushed...
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304 Stainless Steel Sheet
Excellent corrosion & heat resistance
Smooth surface, high strength, good formability & weldability
Customizable sizes, thicknesses and surface finishes
Widely used in construction,...
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Mild Steel Welded Pipe
High-quality mild steel welded pipe, reliable performance and cost-effective.
Excellent weldability and formability, easy to process and install.
Smooth surface, uniform wall...
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Stainless Steel Polished Pipe Cheap
Made of high-quality 304/316L stainless steel with strong corrosion resistance.
Mirror polished surface, smooth, clean and aesthetic for industrial & decorative use.
Seamless & welded...
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Stainless Steel Material
Stainless steel pipes are tubular products made from stainless steel. Thanks to the precise combination of alloy elements
such as chromium and nickel in their composition, they possess...
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Buy Seamless Steel Pipe
Main Materials and Standards Seamless steel pipes are made of a wide range of materials, from common carbon steel to various alloy steels and stainless steels.
Material Categories Common...
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Seamless Pipe
Seamless steel pipes are steel tubes without joints, manufactured through processes such as piercing. Due to their integrated molding feature, they demonstrate significant advantages in terms of...
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Seamless Steel Pipe
Seamless steel pipes are a type of steel with a hollow cross-section and no seams on the periphery. They are made by ,
punching holes through a whole round steel bar, which is the most...
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Stainless Steel Coil Tubing 3/8inch 0.049" From Manufacturer
It is mainly used in industries such as construction, manufacturing, power, and chemical engineering. 1. Construction industry Stainless steel is widely used in the construction industry, for...
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Type of Steel Pipe

Line Pipe

Line pipes are designed for transporting oil, gas, and water in both onshore and offshore pipelines. Made from high-quality carbon or alloy steel, they offer excellent strength, corrosion resistance, and pressure tolerance. Common sizes range from 1/2" to 48" in diameter, with wall thicknesses meeting API 5L and ASTM standards.

Galvanized Steel Pipe

Galvanized steel pipes are coated with a layer of zinc to enhance corrosion resistance and extend service life. They are widely used in water supply systems, fencing, and structural applications. Available in pre-galvanized and hot-dip galvanized finishes, sizes typically range from 1/2" to 12" in diameter.

Square Tube

Square steel tubes feature a uniform cross-section and high structural integrity, making them ideal for construction, machinery, and furniture manufacturing. They combine strength, durability, and a clean aesthetic. Standard sizes include 20×20 mm to 400×400 mm, with various wall thickness options.

Welded Pipe

Welded steel pipes are produced by rolling steel plates or strips and welding the seams for a strong, reliable connection. They are widely used in construction, fluid transportation, and mechanical applications. Available in both ERW and SSAW types, sizes typically range from 1/2" to 60" in diameter.

Standard Grade of Steel Pipe

ASTM and ASME

Both ASTM and ASME classify steel pipes using grades A, B, and C, which reflect the steel's chemical composition and mechanical properties. The primary distinction between these two standards lies in their application to pressure system pipes, where specific requirements differ to ensure safety and performance.

AISI and SAE

Unlike ASTM and ASME, the AISI and SAE systems focus solely on the chemical composition of steel pipes. They do not provide specifications regarding manufacturing processes, testing protocols, or heat treatment, serving mainly as material composition references.

API

The API 5L standard serves as the principal industry benchmark for steel pipes used in oil and gas transportation. While API 5L defines essential requirements, additional grading and technical specifications may be necessary to fully match the pipe to its intended service conditions.

Application Industries of Steel Pipe

Construction

In the construction industry, steel pipes are widely utilized due to their high strength and ability to withstand significant pressure and environmental stress. Key applications include:
Structural Frameworks: Steel pipes serve as critical load-bearing components in numerous buildings and infrastructure projects, providing structural support and stability. They are extensively employed in the construction of high-rise buildings, bridges, and industrial facilities.

Oil & Gas Industry

The oil and gas sector relies heavily on steel pipes for their capacity to endure high-pressure conditions and corrosive environments. Principal applications include:
Oil and Gas Transportation: Steel pipelines are used to transport crude oil, natural gas, and refined petroleum products over long distances. Their durability and mechanical resilience make them well suited for such demanding operational conditions.

Plumbing

In plumbing systems, steel pipes are valued for their long service life, resistance to corrosion, and ability to perform under elevated temperatures. Common applications include:
Water Supply Lines: Steel pipes are employed in residential, commercial, and industrial installations to convey potable water and hot water reliably and safely.

Material Comparison of Steel Pipe

01.

Carbon Steel

Known for its strength and affordability, carbon steel pipes are widely used in construction, oil and gas, and water transportation. They offer excellent mechanical properties but require protective coatings to prevent corrosion in harsh environments.

02.

Stainless Steel (Grades 304 & 316L)

Stainless steel pipes provide superior corrosion resistance, especially in chemical and food processing industries. Grade 316L offers enhanced resistance to chloride corrosion, making it ideal for marine and highly corrosive environments.

03.

Alloy Steel (P11, P22, and Others)

Alloy steel pipes combine strength, heat resistance, and toughness, making them suitable for high-temperature and high-pressure applications such as power plants and boilers. These materials meet stringent standards for durability and performance under extreme conditions.

04.

Specialty Alloys

For specialized industrial applications, we offer pipes made from nickel, cobalt, and other alloys, providing exceptional resistance to corrosion, heat, and wear. These materials are essential in aerospace, chemical processing, and energy sectors.

Customized Options for Steel Pipe

Material Grades

Certified carbon, stainless, and alloy steel options to meet industry standards.

Dimensions

Wide range of precise diameters and lengths tailored to your needs.

Wall Thickness

Customizable thickness for varied pressure and load requirements.

Surface Treatments

Multiple finishes like galvanizing, pickling, and anti-corrosion coatings to enhance durability.

Our Factory

productcate-600-300

FAQ

Q: What is the minimum order quantity (MOQ)?

A: The MOQ varies depending on the steel pipe specifications and customization. Typically, we accommodate both bulk orders and smaller trial quantities to support diverse customer needs.

Q: Which payment methods are accepted?

A: We accept various payment options, including T/T (Telegraphic Transfer), L/C (Letter of Credit), and other secure methods tailored to client preferences.

Q: What is the corrosion resistance of steel pipes?

A: Corrosion resistance of steel pipes is very good. They perform well in humid environments, seawater, acid and alkali environments, and are not easy to rust or corrosion.

Q: Can steel pipes be used in high temperature environments?

A: Yes, steel pipes have excellent high temperature resistance, can be used in high temperature environments above 600 ° C, suitable for boiler and heating equipment applications.

Q: How is the processing performance of steel pipe?

A: Steel pipe has good processing properties, can be cut, bending, welding, drilling and other processing methods, suitable for complex structures and customized products.

Q: What can be done on the surface of the steel pipe?

A: Steel pipe can be pickling, passivation, polishing, plating and other surface treatment to enhance its corrosion resistance and beauty, to meet the needs of different applications.

As one of the leading steel pipe manufacturers and suppliers in China, our company is specialized in providing the best products and service for customers around the world. Please rest assured to buy high quality steel pipe made in China here from our factory.

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