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Product ID: 68510716
A333 Steel Tube Seamless Round Pipe
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Description
Engineered for durability and precision, our seamless steel tubes meet rigorous international standards including ASTM A53, ASTM A333, and EN 10028-2 specifications. These high-quality round pipes are ideal for demanding environments where structural integrity, corrosion resistance, and temperature stability are critical. Whether you're sourcing a seamless steel tube A53 ASTM A333 for low-temperature service or selecting an S355JR or S355J0 hot rolled steel tube for mechanical frameworks, our product line delivers consistent performance across global markets.
Key features include superior tensile strength, uniform wall thickness, and enhanced machinability—making these tubes perfect for pressure systems, structural supports, and pipeline networks. The seamless construction eliminates weld seams, reducing the risk of leakage and enhancing overall safety in high-stress applications. Available in Sch10s (Schedule 10s) configurations, these pipes offer lightweight yet robust solutions for both indoor and outdoor installations.
Manufactured using advanced hot rolling techniques, the S355JR and S355J0 variants provide excellent formability and weldability while maintaining compliance with European material standards. Unlike welded alternatives, our seamless steel tube A53 ASTM A333 ensures no weak points from fusion joints, making it particularly suitable for cryogenic, petrochemical, and HVAC systems. Each batch undergoes strict quality control to verify chemical composition, mechanical properties, and dimensional accuracy, ensuring reliability under extreme conditions.
These versatile round pipes find extensive use in oil and gas infrastructure, power generation facilities, offshore platforms, and heavy machinery manufacturing. They are also commonly specified in architectural metalwork, scaffolding systems, and industrial equipment where long-term resilience matters. For engineers designing pipelines that must withstand fluctuating temperatures—from sub-zero storage tanks to high-heat process lines—this seamless steel tube offers unmatched performance.
Customers consistently praise the smooth finish, ease of installation, and long service life of these products. Many report reduced maintenance costs over time due to the absence of seam-related failures and improved resistance to fatigue cracking. Professionals appreciate how the S355JR variant performs reliably in ambient temperatures, while the S355J0 version excels in colder climates, often used in northern European projects requiring Charpy impact testing at -20°C.
Frequently asked questions include: Are these tubes suitable for pressure-rated applications? Yes—ASTM A53 and A333 versions are approved for fluid conveyance up to 600 psi depending on size and grade. Can they be customized? We offer cut-to-length, beveled ends, and surface treatments like galvanizing upon request. Do they comply with ISO standards? Absolutely—the materials adhere to ISO 3183 and EN 10217 for seamless tubes used in hazardous environments. What’s the difference between S355JR and S355J0? The J0 grade includes additional impact toughness requirements, especially important in cold regions.
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