Sihe Steel
Explore our premium grade high-precision capillary tube solutions specifically engineered for demanding international and North African industrial specifications.
Empowering North African Heavy Industries, Petrochemical Complexes, and Marine Engineering with Ultra-Precision Metallic Components
Annaba stands as a premier industrial and economic hub in Algeria, renowned for its massive steel production, petrochemical ventures, port operations, and complex manufacturing networks. The regional industrial infrastructure demands ultra-reliable, corrosion-resistant metallic components capable of withstanding aggressive marine atmospheres, high-temperature chemical reactions, and high-pressure fluid dynamics. Our 304 stainless steel capillary tubing engineered specifically for Annaba factories delivers supreme dimensional stability, tight tolerance control, and stellar resistance against localized oxidation.
By leveraging Industry 4.0 manufacturing execution systems (MES), automated bright annealing technologies, and rigorous online non-destructive testing (NDT), our manufacturing plants bridge the gap between high-volume output and micro-tolerance precision. We ensure seamless supply chain predictability for Annaba-based procurement managers, minimizing downtime and optimizing capital expenditure on critical industrial infrastructure maintenance.
A Global Authority in Austenitic, Duplex, and Specialized Alloy Capillary and Coiled Tubing Production
Liaocheng sihe stainless steel material LTD from China operates state-of-the-art production lines specializing in high-grade stainless steel coiled tubes, polishing tubes, seamless coiled tubing, and super-long pipes. Built in strict accordance with GB, ASTM, ASME, JIS, and EN international standards, our products utilize premier steel types including 304/304L, 316L, 321, 317L, 309S, 310S, and Incoloy 800.
Our advanced manufacturing ecosystem features world-class bright annealing lines for supreme online softening treatment. Comprehensive quality audits—including compression, flaring, bending, 100% hardness evaluation, tensile strength tests, and high-pressure air-tightness verification—guarantee flawless field performance.
Engineered for Extreme Precision Across Diverse Industrial Sectors
Coiled and capillary tubing is available in outer diameters ranging from 0.125 inch (3.175 millimeters) up to 1 inch (25.4 millimeters). Wall thicknesses extend up to 0.165 inch (3 millimeters). Continuous lengths up to 32,800 feet (10,000 meters) are readily available for cost-effective umbilical and sensor deployment.
Beyond 304/304L, our material expertise spans Austenitic steel 316L, Duplex 2205, Super Duplex 2507, Incoloy 825, Inconel 625, and specialized high-performance alloys tailored for harsh chemical and marine environments.
Widely deployed in petrochemical exploration, military instruments, semiconductor manufacturing, pharmaceutical biotechnology, precision measurement devices, hydraulic systems, boiler heat exchangers, automotive systems, and marine shipbuilding plants in Annaba and worldwide.
Value-Added Processing & Tailored Manufacturing Solutions
Supports diverse material grades (304, 316L, 2205) and precise specification adjustments for coils and capillary tubes.
Includes intricate bending, spiral forming, and precision drawing customized for complex heat exchanger assemblies.
Utilizes high-precision laser cutting, mechanical cutting, and finishing for exact operational deployment.
Everything you need to know about partnering with our manufacturing facilities for your Annaba projects.
Our prices are subject to dynamic raw material supply and global market factors. We provide updated price lists upon direct corporate inquiry.
Yes, international wholesale orders require an ongoing minimum order quantity. For smaller resale needs, please consult our specialized retail platform options.
Absolutely. We furnish Certificates of Analysis / Conformance, Material Test Reports (MTR), Certificate of Origin, insurance, and all regional export compliance paperwork.
Sample production takes approximately 7 days. Mass production runs require 20 to 30 days upon deposit receipt and final technical drawing approval.
We accept secure bank wire transfers (T/T), with a standard 30% advance deposit and 70% balance settled against the copy of the Bill of Lading (B/L).
We employ heavy-duty export-grade protective packaging, specialized hazard shielding, and customized crating to ensure zero transit damage upon arrival in Annaba.
Browse our complete suite of high-performance stainless steel tubes, sheets, and heat exchanger components.