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EN10219 S275J0H Steel Pipe Piles Manufacturer in China | Structural Foundation Steel Tubes
EN10219 S275J0H Steel Pipe Piles for foundation, bridge, marine, port and infrastructure projects. Available in various diameters and lengths with customized coating solutions. Factory direct supply from Royal Steel Group.
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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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ASTM A500 Rectangular Steel Tube 50×100 150×100 250x200mm Structural Hollow Section RHS Supplier
ASTM A500 Rectangular Steel Tube (RHS) is a reliable structural hollow section available in popular sizes 50x100mm, 150x100mm, and 250x200mm. It features high strength, excellent weldability, precise dimensions, and strong durability, making it ideal for steel structures, warehouses, construction frames, and industrial applications. Customized sizes, thicknesses, and surface treatments are available to meet global project requirements.
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EN10219 S275J0H Steel Pipe Pile Supplier | Cold Formed Structural Steel Pipe for Foundation & Marine Construction
EN10219 S275J0H steel pipe piles for foundation, bridge, marine & port construction. Custom sizes and coatings, factory direct by Royal Steel Group.
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Q355B SHS Square Hollow Section Steel Tube GB/T 6728-2017 Heavy-Duty Structural Steel Tube 40×40-400×400mm
Q355B square hollow section (SHS) steel tube complies with GB/T 6728‑2017. It delivers a minimum yield strength of 355 MPa and tensile strength reaching 470 MPa.
Size range covers 40×40 mm up to 400×400 mm, with wall thickness options from 2.5 mm to 16 mm. Stock lengths are 6 m and 12 m as standard; custom cut lengths can be supplied up to 21 m upon request.
This hollow section works well for industrial building columns, heavy‑duty trusses and other high‑requirement structural projects.
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HSS Structural Steel Tube (Square & Rectangular Hollow Section)
High-Strength ASTM A500 HSS Steel Tube for Structural Applications
At Royal Steel Group, we deliver premium-grade HSS structural steel tubes engineered in full compliance with ASTM A500 Grade B and Grade C specifications. ASTM A500 HSS Steel Tubes are widely trusted for diverse heavy-duty and commercial construction projects, including commercial building frameworks, industrial plant facilities, data center structures, bridge works, and various core structural applications.
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EN10219 S355J2H Steel Pipe Pile for Foundation | Royal Steel Group
Buy mill-certified S355J2H welded steel pipe piles directly from the manufacturer. Compliance with EN 10219 for heavy structural foundations. Contact us now.
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Large Diameter SSAW Spiral Welded Steel Pipe Manufacturer | Royal Steel Group
Royal Steel Group supplies large-diameter SSAW (spiral submerged arc welded) steel pipes for structural, foundation, water supply, oil and gas, and infrastructure projects.
The pipe is made from high-quality carbon steel strip, formed into a spiral and welded with the submerged arc process. It’s a proven method that produces a clean, strong weld — even at large diameters. Every production step follows strict quality control standards.
The result is dependable strength, solid weld quality, and a real cost advantage — which is why SSAW pipes hold up well in high-pressure service and demanding construction projects.
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High Strength ASTM A500 Q355B Steel Square Hollow Section Tube for Steel Structure Building Projects | China Manufacturer
High-strength ASTM A500 and Q355B steel square hollow tubes from a leading Chinese manufacturer. Perfect for steel structure buildings and infrastructure projects. Contact us for material inspection reports and factory-direct pricing.
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JIS G3466 STK400/STK500 Square Tube And Hollow Section Rectangular Tube
Rectangular tube is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Rectangular tube has simple production process, high production efficiency, many varieties and specifications.
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A36 ERW Hot Rolled Welded Square Carbon Steel Pipe
Square pipe is a steel pipe made of steel plate or strip after crimping and welding, generally measuring 6 meters. Square pipe has simple production process, high production efficiency, many varieties and specifications.
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Erw Welded&Seamless Hot Rolled Black Carbon Steel Square Rectangular Pipe Tube
Carbon Steel Square Rectangular Pipe are hollow structural sections made from high-quality carbon steel. They are known for their high strength, durability, and versatility, making them ideal for both industrial and construction applications.
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