BRISK STEEL FOCUS ON PRODUCE AND SUPPLY HOLLOW SECTION AND STEEL PIPE
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About UsBrisk Steel Group is a leading manufacturer and distributor of steel structures, steel tubes and pipes in diverse fields such as infrastructure and construction industry, machinery industry, new energy projects ect.
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ProductsIt is a large steel structural company from design, manufacturing to erection with the certificate of First Grade Qualification of Professional Contracting of Steel Structure.we are dedicated to manufacturing square, rectangular, circular hollow sections,weld steel pipe,GI pipe and LSAW Pipe for bridge and steel structural products like warehouse, automated parking system, electricity tower and ect. to satisfy customers' needs for different products.
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BLOGCustomers choose and trust us not only because of our stable quality but also pre-sales service and post-sales service along with the products. Each of our employee dealing with clients is a product expert, who will answer clients' questions professionally with great patience and provide clients with excellent customized solutions based on each client's requirement.
Add：Daqiuzhuang Industrial Area,Jinghai County,Tianjin,China
Tel：08618322290777
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STKR 490 Carbon Steel Tube
- Commodity name： STKR 490 Carbon Steel Tube
Details
- 产品描述
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Product Specifications
Product Introduction
Type
Specification
Standard
JIS G 3466
Grade STKR 490 (High-Strength Structural Carbon Steel Tube)
Shape Square / Rectangular Tubes
Process ERW/ Seamless/ Cold-formed / automatic arc welding processes
Outer Diameter (OD)
20x20mm ~ 1200x1200mm
20x30mm ~ 1200x1500mm
Wall Thickness (WT)
1.3mm ~ 60mm, thickness tolerance strictly complies with JIS standards
(under 3mm: ±0.3mm; 3mm and above: ±10% for welded tubes)
Length
standard lengths 5.8m, 6m, 12m
custom cut lengths available as per customer requirements
Chemical Composition
Chemical composition %
Grade
C (Carbon)
Si (Silicon)
Mn (Manganese)
P (Phosphorus)
S (Sulfur)
STKR 490
0.18
0.55
1.50
0.040
0.040
Mechanical Properties
Properties
Value
Tensile Strength
≥ 490 MPa
Yield Strength
≥ 325 MPa
Elongation
≥ 23%
Core Advantages
- Superior High Strength: Tensile strength ≥490MPa and yield strength ≥325MPa, providing excellent load-bearing capacity for medium and heavy-duty structural applications, far exceeding ordinary structural steel tubes.
- Excellent Processability: Low carbon content and reasonable chemical composition ensure good weldability, cuttability, and formability, suitable for various welding methods and complex forming processes, reducing construction and processing costs.
- Stable Quality: Strictly produced in accordance with JIS G3466 standard, with uniform wall thickness, high squareness, and stable mechanical properties; each batch is accompanied by Mill Test Certificate (MTC) to ensure product consistency.
- Versatile & Cost-Effective: Balances high strength and economic efficiency, widely applicable to multiple fields; factory direct supply eliminates intermediate links, offering competitive wholesale prices and flexible minimum order quantity (MOQ).
- Customizable Services: Support customized surface treatment, size cutting, drilling, and packaging to meet the specific needs of different projects and regions.
Main Applications
- STKR 490 carbon steel tube is widely used in fields requiring high structural strength, thanks to its excellent performance and stable quality, including but not limited to
Building & Construction: High-rise building frames, columns, beams, scaffolding, industrial plant supports, bridge structures, and seismic-resistant components.
Machinery & Equipment: Industrial machinery frames, brackets, chassis, tower crane standard sections, booms, and equipment casings.
Transportation: Truck frames, container ship lashing bridge components, and transportation equipment structural parts.
Marine & Offshore Engineering: Offshore platform supports, life-saving brackets, and marine structural components (meets classification society certification requirements).
Mining & Infrastructure: Mine shaft tanks, transportation equipment, and large-scale infrastructure support structures.
PACKING
Brisk Steel Factory
Core Advantage
Brisk Steel Group is rooted in a culture of "technology as the backbone, quality as the soul, and customers as the heart." Through relentless innovation, global expansion, and a commitment to responsibility, we strive to become a trusted global partner and a technological benchmark in the steel manufacturing industry.
Craftsmanship with Precision
We adhere to a rigorous quality control system that spans the entire production process—from raw material procurement and manufacturing to product delivery—ensuring the highest standards of excellence.
Innovation-Driven Technological Leadership
We prioritize R&D and technological advancement, integrating cutting-edge production lines (e.g., JCOE large-diameter LSAW pipe production) and expert teams from countries like Germany and the Netherlands to maintain our position at the forefront of the industry.
Globalization and Open Collaboration
Actively engaging in the global supply chain, we have obtained international certifications such as CE marking, enabling our products and services to reach worldwide markets.
Professional Team and Talent Empowerment
We value the recruitment and development of technical talent, building an international and professional team that drives continuous growth.
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