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ASTM A500 Grade B/C Square Tube | Premium Structural Steel Tubing for North American Construction
ASTM A500 Square Tube is a high-strength structural steel tubing solution designed for construction, fabrication, and industrial applications. Manufactured to ASTM standards, it offers excellent strength, dimensional accuracy, and weldability for steel frames, supports, machinery structures, and infrastructure projects.
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SSAW Spiral Welded Steel Pipe Manufacturer | Large Diameter Steel Pipe Supplier
We make large-diameter SSAW (spiral submerged arc welded) pipes for projects that don’t get to fail: structural frames, foundations, water supply lines, oil and gas, and general infrastructure.
The steel starts as high-quality carbon strip, spiraled into a tube and welded by the submerged arc process. The weld seam comes out clean and deep, which matters most at big diameters, where a weak joint is the first thing to crack under pressure.
Quality control runs through every step, from strip to finished pipe. The pipe is strong enough for high-pressure service. The welds hold up in tough site conditions. And the cost makes sense at scale. That’s why SSAW keeps showing up on demanding construction projects.
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ASTM A36 Hot Rolled H Beam Factory Supply Oiled Surface Large Stock Use for Steel Strucutre Buildings
High-performance H beam steel meeting ASTM specifications, widely used in bridges, industrial plants and Central American infrastructure. Custom sizes available, excellent corrosion resistance, prompt delivery out of China.
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High-Strength ASTM A572/A572M Grade 50 Steel Plate | Mild Carbon Structural Steel for Construction & Industrial Use
ASTMA572/A572M Steel Plate – A type of high-strength low-alloy (HSLA) steel plate, widely used in construction, bridges, mechanical equipment, and other structural engineering projects.
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Q235B Hot Rolled Carbon Steel Coil | GB Standard Structural HRC for Construction & Steel Structure
Q235B Hot Rolled Carbon Steel Coil(HRC) is a good quality HR steel coil manufactured according to GB standard and used widely in building, steel structure and general machinery. These Carbon Steel Coils possess good weldability, strength and durability, which get them best use in structural applications. Royal Steel Group offer factory direct supply with assured quality, accurate dimension and thickness tailored for your project needs.
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GB Standard Hot-Dipped Galvanized Steel Grating Welded Metal Mesh Grid Plate for Platform & Construction
Premium hot-dip galvanized steel grating suitable for platforms and construction. Supply heavy-duty welded metal mesh panels with certified zinc coating. Get a quote now!
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AS/NZS 3679.1 Grade 300 / 350 / 350L0 Structural H-Beam | Royal Steel Group
Royal Steel Group is a China steel structure factory leader with worldwide. We specialise in the supply of quality AS/NZS 3679.1 Grade 300/350/350L0 Structural H-beams that meets the Australian and New Zealand standards. Our products provide excellent and stable performance to be widely acknowledged in Australia and New Zealand by clients. For the product details or customized solutions, directly contact our professional team.
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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 -
JIS G3466 SS400 HSS Square Steel Tubes
JIS G3466 SS400 HSS square steel tubes for steel structures, factory columns, curtain walls, advertising supports and warehouse racks. Custom sizes, BV/SGS inspection and global delivery available.
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ASTM A709 Grade 70 Steel Plate | High-Strength Bridge Steel for Girders
ASTM A709 Grade 70 steel plate with ≥485 MPa minimum yield strength and 620–760 MPa tensile strength, designed for high-performance bridge girders and demanding infrastructure projects.
Royal Steel Group can provide customized sizes and thicknesses of bridge steel plates to meet your structural engineering application needs, offering reliable quality, competitive pricing, and worldwide delivery.
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ASTM A992 Wide Flange W Beam | High Strength Structural Steel Beam Manufacturer
ASTM A992 W Beams are high-strength wide flange structural steel beams designed for demanding building, bridge, and industrial construction projects. Manufactured to meet ASTM standards, these beams provide excellent load-bearing capacity, weldability, and dimensional consistency for reliable steel framing solutions. Available in various sizes and specifications with customized supply options for global construction projects.
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