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API 5L Seamless Steel Pipe (X52, X60, X65, X70, X80) | SMLS Line Pipe for Oil & Gas Pipeline
API 5L Steel Pipes (Grade B/X42-X80) – The Expertise Solution for Oil & Gas Pipelines in Central America
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API 5L Grade B Seamless Steel Pipe (PSL1, PSL2)
API 5L Steel Pipes (Grade B/X42-X80) – The Expertise Solution for Oil & Gas Pipelines in Central America
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GI A53 Galvanized Steel Pipe for Water, Gas & Structural Piping | China Factory
Galvanized steel pipes are a critical component in modern construction and infrastructure projects. Renowned for their superior corrosion resistance, high mechanical strength, and long service life, these pipes are widely applied in building water supply, drainage, gas, and steam transportation systems. Their durability and maintenance-free performance make them a reliable choice for both residential and industrial applications, ensuring safety, efficiency, and long-term cost savings.
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API 5L X52 / X60 / X65 / X70 / X80 Seamless Line Pipe | SMLS Pipeline Steel Tube Supplier
High-Performance API 5L Steel Pipes (X42–X80) – Engineering Excellence for Southeast Asia and Central America’s Oil & Gas Infrastructure
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Custom Manufacturer API 5L 5CT Round Black Seamless & Welded Structure Steel Pipe for Oil and Gas Transportation
API 5L pipe is a carbon steel pipe used for oil and gas transportation. It includes seamless pipe(SMLS) and welded pipe (ERW, SSAW,LSAW).
It has a wide range of commercial applications:
Foundation Engineering: load-bearing piles, driven piles, threaded micropile casings, and geostructure solutions;
Construction and Protection: composite walls, structural sections, bridge abutments and dams, storm protection, and underground garages;
Energy and Infrastructure: solar solutions, signposts, towers and transmission lines, and horizontal pipelines;
Resource Development: mining-related applications. -
ASTM A252 Grade 1/2/3 LSAW Steel Pipe | OD 508-1422mm Large Diameter Foundation Steel Pipe
LSAW steel pipes, conforming to ASTM A252 standards, are high-strength, large-diameter steel pipe piles suitable for foundation engineering, bridge construction, marine engineering, and heavy infrastructure projects. LSAW steel pipes offer excellent structural shape, good weldability, and load-bearing capacity, making them suitable for deep foundation applications. Outer diameters range from 508 to 1422 mm. These ASTM-compliant LSAW steel pipes are designed according to current industry specifications and standards, ensuring high strength, uniform wall thickness, and superior durability even in harsh soil and saltwater environments.
These LSAW steel pipes are suitable for bridge pile foundations, port terminals, offshore platforms, high-rise building foundations, and industrial infrastructure. Collaboration with numerous experienced EPC contractors and global building solutions ensures their long service life, high corrosion resistance (with optional coatings), and ease of installation.
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Hot Dip Galvanized Steel Pipe ASTM A53 Zinc Coated GI Pipe for Construction and Water Transport
Hot Dip Galvanized Steel Pipe is a steel pipe coated with a layer of zinc through a hot-dip galvanizing process. The pipe is first manufactured (welded or seamless), then immersed in molten zinc to form a strong, corrosion-resistant protective layer.
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API 5L Grade B X42 X52 X65 Carbon Steel Line Pipe Seamless and Welded Steel Pipe
API 5L Steel Pipe Supplier | X42 X52 X65 Seamless & Welded Line Pipe
Looking for a trusted API 5L steel pipe supplier for oil & gas or pipeline projects?
Royal Steel Group supplies seamless steel pipe, ERW pipe, LSAW pipe, and SSAW pipe, meeting PSL1 / PSL2 standards for high-pressure applications.
✔ Full Grades: X42 – X80
✔ Large Stock & Fast Delivery
✔ Third-party Inspection Available
✔ Global Export Experience -
ASTM A53 GI Galvanized Steel Pipe | High-Quality Steel Pipe Supplier, Large Inventory
As one of the metal pipes used in construction, galvanized steel pipes are widely used in building water supply, drainage, gas, steam and other transportation pipelines because of their corrosion resistance, rust-free, strong and durable properties.
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API 5L Standard Line Pipe (API Line Pipe) – API 5L Seamless Pipe (API Seamless Pipe) of API 5L Material Grades: API 5L Gr B (API 5L B), API 5L Gr B PSL2, API 5L X42, API 5L X60 (X60 Pipe), API 5L X65 (API 5L X65 Pipe), API 5L X70 (X70 Pipe), API 5L X80, with PSL2 Pipe & API Sch 40 Pipe...
API 5L Line Pipes are Superior Grade Carbon Steel Pipe used for Oil and Gas line Pipe which have the property of transporting oil and gas. Manufactured to the stringent specifications of API 5L, these tubes have high tensile, impact and corrosion resistance.
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ASTM A106 Hot Dip Galvanized Steel Pipe Zinc Coated Seamless & Welded GI Pipe
Hot Dip Galvanized Steel Pipe is the steel pipe which is coated with a layer of zinc by hot dip galvanizing process. The pipe is produced (welded or seamless) and then dipped in molten zinc to create a robust, rust-resistant shield.
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API 5L Grade B Carbon Seamless Pipe Steel Line Pipe for Oil & Gas Pipelines
High-quality, factory-direct API 5L Grade B carbon seamless line pipes for energy, water, and industrial pipeline projects. PSL1 & PSL2 options available.












