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A53 Round Carbon Steel Pipe | Black/GI Steel Tube | Seamless/ERW Pipe Factory | Large Stock & Custom Cut Length
ASTM A53/A53M Grade B Steel Pipe – Customized Solutions for the Americas Market
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ASTM A500 Grade D HSS Square Tube for Outdoor Weather-Exposed Steel Structures
ASTM A500 Grade D square HSS tube is a high‑strength structural hollow section well‑suited for outdoor installations and weather‑exposed working conditions. It delivers solid mechanical strength, tight dimensional tolerances, good weldability and easy‑to‑process fabrication properties. This steel tube is widely used for load‑bearing components such as steel structures, equipment frames, support members, building columns, bridge parts and industrial construction projects. Custom options including special sizes, wall thicknesses, cut‑to‑length dimensions and surface finishes are offered to meet diverse global project requirements.
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API 5L Gr. B/X42 /X52 /X60 /X65 Psl2 Carbon Steel Line Pipe
API 5L PSL2 Carbon Steel Line Pipe is suitable for oil & gas production, drilling and oilfield services. Made as per the requirements of international standards of API 5L these pipes have high strength, toughness and reliability for line pipe projects.
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ASTM A53 Gr.B Welded Carbon Steel Pipe for Water Supply and Plumbing System
ASTM A53 Gr.B carbon steel welded pipe is a commonly used carbon structural steel pipe with good mechanical properties, pressure resistance, and machinability. It is widely used in industries such as water, gas, and oil transportation, structural support, machinery manufacturing, and boiler piping, and is one of the fundamental materials in the industrial and construction fields.
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API 5L Grade B Seamless Steel Pipe SCH 80 for Oil & Gas Pipelines
API 5L Grade B Seamless Steel Pipe SCH 80 is a high-strength carbon steel pipe designed for demanding pipeline applications, including oil, natural gas, water transmission, and industrial fluid transportation. Manufactured according to API 5L standards, this seamless pipe offers excellent pressure resistance, durability, and reliable performance in harsh operating environments.
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A53 Round Carbon Steel Pipe | Black Steel Tube | Seamless/ERW Pipe Factory | Large Stock & Custom Cut Length
ASTM A53 Grade B Steel Pipe – Engineered, Customized Solutions for the Americas Region
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Q235B SHS Square Hollow Section Steel Tube GB/T 6728-2017 Structural Steel Tube 40×40-400×400mm
Our Q235B square hollow section (SHS) steel tubes are produced in full compliance with China’s national standard GB/T 6728-2017. The product covers a complete size range, with square side dimensions ranging from 40×40mm to 400×400mm and wall thicknesses from 2.5mm to 16mm.
Widely applicable for conventional steel framing, light structural works, factory building construction and various general engineering & building projects, these square steel tubes feature stable performance and strong practicality.
Standard factory lengths are 6 meters and 12 meters to meet regular engineering demands. Custom cutting service is also provided, with customized maximum length up to 21 meters to cater to diverse on-site construction requirements. -
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.
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API 5L Steel Pipe Supplier | Seamless & Welded Line Pipe Manufacturer
API 5L Steel Pipe Supplier | X42 X52 X70 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 -
API 5CT T95 Seamless Carbon Steel Tube Corrosion-resistant Oil Pipes for The Americas
API 5CT T95 Seamless Casing & Tubing – The Expert Solution for Oil & Gas Pipelines in Central America
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ASTM A500 Square Steel Tube 50×50 100×100 150×150 200×200 250x250mm Structural Hollow Section
ASTM A500 Square Steel Tube is a high-quality structural hollow section available in popular sizes 50×50, 100×100, 150×150, 200×200, and 250x250mm. With excellent strength, dimensional accuracy, and weldability, it is widely used in steel structures, warehouses, construction frames, machinery supports, and industrial projects. Customized sizes, wall thicknesses, and surface treatments are available to meet global project requirements.
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API 5CT J55 K55 N80 L80 C90 P110 Oil Well Casing Pipes – High Strength, High Pressure Resistance, Corrosion Resistance
API 5CT oil well casing and tubing grades—including J55, K55, N80, L80, C90, and P110—offer high strength, high-pressure resistance, and corrosion-resistant special steel options
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