Sihe Steel
Sihe Steel
Liaocheng sihe stainless steel material LTD From China operates six advanced production lines, serving as a globally recognized expert in high-precision stainless steel coiled tubing, polishing tubes, seamless coiled tubing, and heavy-duty sheet plate developments. Our strict production compliance covers GB, ASTM, ASME, JIS, and EN standards.
We specialize in premium steel types including 304/304L, 316L, 321, 317L, 309S, 310S, INCOLOY800, Austenitic steel 316L, Duplex 2205, Super Duplex 2507, Incoloy 825, Inconel 625 series, and customized special alloys tailored for extreme industrial environments.
Our products are exceptionally popular across military, semiconductor, pharmaceutical biotechnology, precision instruments, hydraulic parts, chemical industry, boilers and heat exchangers, aerospace, automotive, electronics, petroleum exploration, precision machinery, rail transportation, shipbuilding, air-conditioning, solar, and water heater industries.
Coiled tubing is available in outer diameters from 0.125 inch (3.175 mm) to 1 inch (25.4 mm), with wall thickness up to 0.165 inch (3 mm), and continuous lengths up to 32,800 feet (10,000 meters) for high-efficiency umbilical manufacturing.
Years of Manufacturing Expertise
Global Export Countries & Regions
US Coiled Export Market Share
As extreme offshore oil and gas extraction, chemical processing, and heavy structural engineering push into deeper and harsher waters, the demand for high-integrity structural components—specifically 8mm Thick Stainless Steel Sheet Plate—has escalated dramatically. Extreme marine and industrial environments demand absolute safety, structural stability, and superior corrosion resistance. Liaocheng Sihe is dedicated to supplying the optimal corrosion-resistant materials for critical industrial infrastructures.
Our manufacturing facilities integrate world-class bright annealing technology, allowing online stainless steel softening treatments. Every batch undergoes rigorous quality assurance protocols, including 100% hardness testing, compression, flaring, bending, stretching, and airtightness tests, ensuring unmatched reliability for international buyers across the US, Germany, Spain, South America, Southeast Asia, the Middle East, and Eastern Europe.
Supports diverse material grades (304, 316L, 2205) and precise specifications for stainless steel coils and plates.
Advanced laser cutting, mechanical cutting, and flame cutting ensure high-precision dimensional tolerances.
State-of-the-art techniques for automotive exhaust systems, chemical piping, and instrument connections.
