Sihe Steel
Sihe Steel
Engineered to rigorous standards (GB, ASTM, ASME, JIS, EN) with premium performance for high-reliability projects.
A Comprehensive Whitepaper on Textured Metals, Advanced Austenitic Alloys, and Process Engineering.
Cold-rolling and mechanical dimpling change the grain structure of the steel sheet, increasing yield strength and dent resistance without adding dead weight.
Textured surfaces scatter incident light, eliminating concentrated reflections, while also reducing sound reverberations in transit and industrial settings.
Constructed from premium grades (such as AISI 304, 316L, and Duplex 2205). Our materials resist oxidation, pitting, and chloride cracking in tough environments.
With over 10 years of experience, Liaocheng Sihe Stainless Steel Material LTD is a leading manufacturer specializing in high-performance stainless steel coiled tubing, precision capillary tubes, polishing tubes, and textured sheet developments.
Operating from our advanced manufacturing facility in China, we run six automated production lines that adhere to strict production standards: GB, ASTM, ASME, JIS, and EN. Our advanced manufacturing equipment includes a world-class online bright annealing technology system, which ensures clean surfaces, uniform hardness, and excellent ductility.
Production Lines
Years Industry Experience
Export Countries & Regions
Max Continuous Coil Length
How our advanced factory model ensures dimensional accuracy, stable material properties, and secure global delivery.
Our facility uses Factory 4.0 automation, combining automated cold rolling mills, computerized tension leveling, and precise mechanical hammer embossing. This integrated approach ensures consistent pattern depth, edge flatness, and thickness uniformity across every batch of hammered stainless steel sheets.
For coiled tubing products, online bright annealing (BA) occurs within a protective hydrogen-nitrogen atmosphere. This process prevents oxidation and eliminates the need for acid pickling, resulting in a clean interior and exterior surface finish.
Advanced thermal treatment optimizes mechanical properties and relieves internal stress without compromising surface quality.
Includes compressed gas tests, flaring, bending, hardness measurements (100%), stretch trials, and air tightness testing.
We source raw materials directly from reliable steel producers, allowing us to manage lead times, control costs, and offer stable pricing.
From deepwater oil fields to cleanrooms, our custom solutions are engineered for demanding operating conditions.
Elevator cladding, facades, and accent walls that offer high durability and scatter light to prevent glare.
High-strength corrosion-resistant coiled umbilical tubing designed for chemical injection lines in deepsea environments.
Electropolished capillary tubes that maintain high purity levels and prevent particulate contamination.
Seamless coiled heat exchanger tubes that optimize thermal transfer and minimize joints to prevent leakage.
How our ongoing engineering research is shaping the next generation of textured metal surfaces.
Applying nanoscale coatings to hammered surfaces to repel water and oils. This keeps architectural features cleaner for longer and reduces maintenance costs.
Integrating physical vapor deposition (PVD) to add dynamic color finishes (gold, bronze, rose gold, black) to the hammered ripple patterns, providing high wear resistance.
Improving furnace thermal efficiency during the bright annealing cycle to reduce energy usage, matching the sustainability goals of international projects.
Our materials comply with international standards to ensure worry-free integration into global projects.
Standard Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip.
European standard compliance for chemical composition, mechanical properties, and tolerance values on steel products.
Guarantees compatibility with Japanese industrial and architectural requirements, ensuring high precision.
Every shipment includes material test reports (MTRs) containing chemical analysis and mechanical properties.
Providing value-added fabrication services to meet specific project guidelines.
We support custom processing of coiled tubing and sheets in various grades (304, 316L, 2205) and outer diameters ranging from 6.35 mm to 19 mm.
Includes precision bending, spiral forming, mechanical drawing, and custom configurations designed for heat transfer systems.
Precision laser cutting, mechanical sawing, or flame cutting options are available to meet tight length tolerance specifications.
We offer options like electropolishing, bright annealing, mechanical polishing, and precision flanging for automotive and chemical piping connections.
Browse our primary manufacturing categories and product classifications.
Duplex 2205 steel containing balanced austenitic and ferritic microstructures for high strength.
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Standard 1/2-inch stainless steel coiled tubing formats designed for oil field umbilical systems.
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High-temperature oxidation resistant 310/310S grade coiled tubes for thermal plants.
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Direct technical answers regarding procurement, materials, pricing, and shipping logistics.
High-durability seamless coils and capillary components manufactured to strict tolerances.
