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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. -
Hot Rolled Q195, Q235/Q235B, Q255, Q275, Q345/Q345B, Q420, Q550 Carbon Welded&Seamless Black Steel Round Pipe
Round steel pipe is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Round steel pipe has simple production process, high production efficiency, many varieties and specifications, less equipment investment, but the strength is generally lower than seamless steel pipe.
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Hot New Products Mild A106 Black Iron Round Pipe / Tube Extruded Steel Tube, Black Round Tube
Round steel pipe is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Round steel pipe has simple production process, high production efficiency, many varieties and specifications, less equipment investment.
With more than 10 years steel exporting experience to more than 100 countries, we have gained great reputation and lots regular clients.
We will support you well along the whole process with our professional knowledge and prime quality goods.
Stock Sample is Free & Avaliable! Welcome your inquiry!
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Factory Sales Q235 4mm Diameter st45 st37 Hot Rolled Welded Carbon Steel Pipe
ROYAL GROUP supplies high-quality round steel pipes with excellent strength, durability, and corrosion resistance. Available in various diameters, wall thicknesses, and surface finishes, they are widely used in construction, structural engineering, machinery, pipelines, and industrial applications. Customized specifications and international standards are available to meet different project requirements.
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ASTMA36-14 A36 GR. A Round Welded Carbon Steel Pipe for Building Material
Round steel pipe is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Round steel pipe has simple production process, high production efficiency, many varieties and specifications, less equipment investment.
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Made In China 20Mn2 Seamless pipe Alloy Steel Pipe
Seamless Steel pipes with hollow sections are widely used as conduits for conveying fluids, such as oil, natural gas, gas, water and some solid materials. Compared with solid steel such as round steel, steel pipe has the same bending and torsional strength and is lighter in weight. It is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in construction.












