304 316 310s seamless stainless steel pipe price per kg

Seamless Carbon Steel Pipes – High-Performance Tubing for Industrial Fluid Transport and Structural Applications Engineered for global industrial excellence, these seamless carbon steel pipes deliver superior strength, precision, and reliability in demanding environments. Designed without weld seams, they provide uninterrupted integrity for high-pressure fluid conveyance and structural support across oil & gas, chemical processing, infrastructure, and heavy machinery sectors. With outer diameters ranging from 17mm to 914.4mm and wall thickness tolerances within ±10%, each pipe meets stringent international standards such as ASTM A53, A106, API 5L, GB/T 8163, and EN 10216—ensuring compliance with global engineering codes and operational safety protocols. Key Features: These premium-grade tubes are manufactured using advanced techniques including cold drawing, hot rolling, and hot expansion, resulting in uniform mechanical properties and dimensional accuracy essential for critical applications. Available in customizable end finishes like plain or beveled cuts, along with protective coatings such as FBE (Fusion Bonded Epoxy), 2PE, 3PE, galvanized, or varnish treatments, users can tailor performance based on environmental exposure. Core grades include Q235, Q345, X42–X80 (PSL1 & PSL2), STPG370, ST52, and more—offering flexibility for diverse load-bearing and fluid-handling needs. Each batch undergoes heat treatment, surface polishing, and rigorous quality checks per ASME SA-106, DIN 17175, and JIS G3454 standards to ensure consistency under extreme conditions. Detailed Description: Crafted from high-quality carbon steel alloys, these seamless tubes excel in harsh operating scenarios—from offshore drilling platforms in the North Sea to arid desert refineries in the Middle East. The absence of weld joints eliminates weak points, enhancing fatigue resistance, minimizing leakage risks, and improving long-term durability under dynamic pressure fluctuations. Their continuous cylindrical form ensures optimal flow efficiency while evenly distributing internal stresses—a crucial factor in boiler feed lines, hydraulic systems, and elevated temperature operations. Whether used in fire protection networks, power plant superheaters, or scaffolding frameworks, these pipes maintain structural integrity across varying climates, including coastal areas exposed to salt-laden air. Custom packaging options—bundled for smaller sizes (OD ≤141.3mm) or palletized for larger diameters—facilitate secure logistics and handling during transportation. Common Use Cases: Ideal for transmission pipelines carrying crude oil, natural gas, and refined hydrocarbons; municipal water distribution systems; irrigation channels; heat exchangers in thermal power stations; temporary construction supports; automotive drive shafts; mechanical components in mining equipment; petrochemical processing units; and load-bearing frames in industrial machinery. These seamless carbon steel pipes serve as foundational elements in both permanent installations and modular projects requiring robustness, adaptability, and regulatory compliance. User Feedback Highlights: Operators worldwide praise the exceptional resilience of this tubing in extreme settings, particularly in marine environments where chloride-induced corrosion is a major concern. Many note that when paired with appropriate surface treatments like 3PE or FBE coatings, the pipes offer extended service life even in aggressive atmospheres. Customers also appreciate the ability to customize dimensions, end preparation methods, and coating types—enabling tailored solutions without compromising delivery schedules or technical specifications. Global feedback consistently emphasizes improved safety margins, reduced maintenance costs, and enhanced system uptime compared to welded alternatives. Frequently Asked Questions: What advantages do seamless pipes offer over welded ones? Seamless tubing provides a single-piece structure that significantly enhances tensile strength, reduces the risk of leaks, and improves resistance to cyclic loading—an essential advantage in pipeline integrity, process safety, and long-term asset reliability. Can I request custom dimensions or end preparation? Yes, options include fixed-length cuts, random lengths, threading, coupling, or protective caps based on project-specific installation requirements and operational parameters. Are these pipes suitable for elevated temperature service? Absolutely. Grades such as ASTM A106 Grade B and ASME SA-210 are specifically designed for sustained operation at temperatures up to 400°C, making them ideal for boiler tubes, refinery piping, and thermal systems in power generation and industrial heating applications. How do I select the best coating for my environment? For outdoor installations subject to moisture, abrasion, or UV exposure, 3PE or FBE coatings provide excellent adhesion and corrosion protection. Galvanized or varnished finishes are recommended for indoor use or less corrosive atmospheric conditions, offering cost-effective protection with minimal maintenance. Is there a minimum order quantity? Typically, 1 ton serves as the standard MOQ, though bulk orders often result in lower unit pricing and faster shipping turnaround times, especially for large-scale infrastructure or manufacturing projects.