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API 5CT N80 Oil Casing Steel Pipe for Malaysian Oil & Gas and Foundation Projects
Common Size:
4.5″ × 0.28″ (~114.3 mm × 7.1 mm)
5″ × 0.33″ (~127 mm × 8.4 mm)
7″ × 0.50″ (~177.8 mm × 12.7 mm)
9 5/8″ × 0.53″ (~244.5 mm × 13.5 mm)
13 3/8″ × 0.62″ (~340 mm × 15.7 mm)
20″ × 1.0″ (~508 mm × 25.4 mm) -
Q355B Square Hollow Section (SHS) Steel Tube | GB/T 6728-2017 Structural Steel Tube
Q355B Square Hollow Section (SHS) Steel Tube manufactured to GB/T 6728-2017, offering high strength, reliable structural performance, and excellent weldability. Ideal for heavy-duty construction, steel structures, machinery, and industrial applications. Custom sizes, wall thicknesses, and lengths are available for wholesale and project orders.
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API 5L Grade B X42 Seamless Steel Pipe (PSL1, PSL2)
API 5L Grade B & X42 seamless line pipe in PSL1 and PSL2 quality levels. Manufactured with seamless hot rolling process for consistent wall thickness, no weld defects, and reliable toughness under high-pressure operating conditions. PSL2 grade suitable for sour service and low-temperature environments. Full inspection documentation available, manufactured in accordance with international pipeline specifications.
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API 5L Line Pipe Manufacturer | Seamless Steel Pipe Supplier for Oil & Gas Projects
High-Performance API 5L Steel Pipes (X42–X80) – Engineering Excellence for Southeast Asia and Central America’s Oil & Gas Infrastructure
Royal Steel Group is a leading supplier of API 5L line pipes and seamless oil and gas pipes, offering a complete range of specifications and grades for widespread use in oil, gas, water transportation, and energy-related infrastructure projects. Our API 5L pipes are manufactured to international standards, featuring high strength, long service life, and excellent corrosion resistance, making them suitable for high-pressure oil and gas pipelines worldwide.
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ASTM A671 CC65 CL 12 EFW Steel Pipes/Tubes for Industrial & Structural Applications
ASTM A671 CC65 CL 12 EFW Carbon Steel Pipes – High-Strength Welded Steel Tubes for Industrial, Structural & Pressure Applications – Custom Sizes & OD/Wall Thickness Available
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European Standard EN 10219 HSS Hollow Structural Section Rectangular & Square Tube for Steel Buildings, Industrial Structures & Solar Projects
EN-10219 square and rectangular hollow profiles possess strong load-bearing capacity. We offer three material grades: S235JRH, S275JRH, and S355JRH.
These hollow tubes offer reliable stiffness, precise dimensions, and excellent corrosion resistance, and are widely used in European steel structural framing, prefabricated buildings, curtain walls, solar panel supports, industrial support frames, and warehouse construction.
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ASTM A500 Grade B / Grade C & Q355B Weld Steel Square Tube for Structural Building Construction | Carbon Steel Hollow Section Supplier
Royal Steel Group supplies high-quality ASTM A500 B/C grade and Q355B square steel tubing suitable for various types of building and structural engineering projects. Our square steel tubing boasts reliable weldability and excellent load-bearing capacity, making it ideal for warehouse framing, industrial facilities, and general steel structure projects. These structural steel tubing are available in a full range of standard and custom sizes, with strict quality control at our factory and fast, reliable global shipping services provided through our production base in China.
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API 5CT N80 Oil Casing Steel Pipe for Oil & Gas Drilling High Strength Petroleum Casing Pipe
Common Size:
4.5″ × 0.28″ (~114.3 mm × 7.1 mm)
5″ × 0.33″ (~127 mm × 8.4 mm)
7″ × 0.50″ (~177.8 mm × 12.7 mm)
9 5/8″ × 0.53″ (~244.5 mm × 13.5 mm)
13 3/8″ × 0.62″ (~340 mm × 15.7 mm)
20″ × 1.0″ (~508 mm × 25.4 mm)
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AS/NZS 1163 C350L0 Structural Steel Tube | Galvanized RHS & SHS Steel Pipe Manufacturer
AS/NZS 1163 C350L0 Structural Steel Tube with ≥350 MPa yield strength and ≥430 MPa tensile strength. Available in RHS, SHS, and galvanized finishes for construction, solar mounting, infrastructure, and industrial applications. Royal Steel Group supplies high-quality structural tubes with global shipping solutions.
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API 5L X52/X60/X65/X70/X80 Smls PipeLine Seamless Steel Tubes
API 5L Steel Pipes (Grade B/X42-X80) – The Expertise Solution for Oil & Gas Pipelines in Central America
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ASTM A53 Grade B Seamless Steel Pipe for Construction, Oil & Gas and Mechanical Applications
ASTM A53 Grade B Seamless Steel Pipe is a general purpose carbon steel pipe for both shape and size which are used in oil & gas exploration, mechanical engineering and industrial application. It possesses strength, weld ability, pressure resistance and durability made it suitable as per customer requirements.
Royal Steel Group, is the leading exporter and supplier of Seamless Steel Pipes, offering consistent and dependable quality for structural, fluid conveyance and industrial applications around the world.
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ASTM A106 GR.B Seamless Carbon Steel Pipe/Tube for Oil, Gas & Power Plants
ASTM A106 GR.B seamless carbon steel pipes – Perfect for oil, gas, power, and industrial pipelines.
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