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Large Diameter Spiral Submerged Arc Welded Pipe | API 5L X42 X65 ASTM A252 Grade 3 SSAW Structural Steel Pipe Supplier in China
Large diameter spiral submerged arc welded steel pipe in stock. API 5L X42, X65 and ASTM A252 Grade 3 grades, custom length & coatings, fast delivery for global infrastructure projects.
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ASTM A500 Grade B Black Carbon Steel Structural Pipe | Round Steel Pipe Supplier for Bulk Projects
Royal Steel Group supplies ASTM A500 Grade B structural pipe in black carbon steel, offering high strength, reliable dimensions, and custom sizes for construction, steel structures, industrial projects, and bulk orders.
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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 -
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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Ms Steel ERW Carbon ASTM Black Iron Pipe Welded sch40 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.
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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ASTM A53 Gr. B ERW schedule 40 Black Carbon Steel Pipe used for Oil and Gas Pipeline
ASTM A53 Grade B ERW carbon steel pipe is an economical resistance‑welded carbon steel tubing, commonly used for oil & gas lines, water conveyance, industrial piping and structural works. Produced via electric resistance welding (ERW), it delivers steady dimensional accuracy, favorable weldability and dependable mechanical properties.
Featuring Schedule 40 wall thickness, this pipe strikes a good balance among structural strength, pressure rating, unit weight and overall cost. Its bare black carbon steel finish allows users to apply paint, coating or other anti‑corrosion treatments as required for specific project conditions.
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Hot Sell Large schedule 40 ASTM ERW Carbon Steel 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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GB/T 700:2006 Q275B ERW Hot Rolled Welded Carbon Ms Steel 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.
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GB/T 700:2006 Q235 Welded Carbon Round Steel Pipe
Welded steel round pipe is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Welded steel round pipe has simple production process, high production efficiency, many varieties and specifications, less equipment investment.
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