Sihe Steel
Sihe Steel
Engineered to deliver extreme performance under low-temperature cryogenic conditions and high-corrosion offshore environments in the Siberian shelf and Arctic sectors.
An authoritative analysis of import demands, cryogenic toughness compliance, and standard conversions (GOST to ASTM).
The Russian energy infrastructure, centering on natural gas extraction in the Yamal Peninsula, Eastern Siberia, and offshore fields in Sakhalin, presents unmatched technical challenges. In these sub-zero environments, control line tubing must resist temperatures below -60°C. 316L (EN 1.4404 / 03Kh17N14M3) seamless coiled capillary tubing acts as the central neurological channel for downhole chemical injection and subsea hydraulic valves, ensuring reliable operations without micro-cracking or pressure drop failure.
Navigating the Russian engineering codes requires direct alignment of chemical compositions. Local engineers demand materials complying with GOST 9941-81 for cold-deformed seamless stainless steel pipes. Grade 03Kh17N14M3 aligns with ASTM 316L, offering low carbon properties to eliminate chromium carbide precipitation during welding, preserving localized corrosion resistance against sour gas containing H2S and high chloride offshore mist.
| Material Standard | Russian GOST Equivalent | Carbon (C) Max % | Nickel (Ni) % | Chromium (Cr) % | Molybdenum (Mo) % | Yield Strength (Mpa) |
|---|---|---|---|---|---|---|
| ASTM A269 TP316L | 03Kh17N14M3 | 0.030 | 10.0 - 14.0 | 16.0 - 18.0 | 2.00 - 3.00 | ≥ 177 |
| ASTM A269 TP316 | 08Kh17N13M2T | 0.080 | 11.0 - 14.0 | 16.0 - 18.0 | 2.00 - 3.00 | ≥ 205 |
| ASTM A269 TP321 | 08Kh18N10T | 0.080 | 9.0 - 12.0 | 17.0 - 19.0 | - | ≥ 205 |
Liaocheng Sihe Stainless Steel Material LTD operates six state-of-the-art cold drawing and cold rolling production lines. By implementing smart factory modules, we ensure high precision in capillary tube dimensional accuracy, reducing tolerances down to ±0.02 mm.
To overcome logistical and geopolitical shifts in European supply chains, we provide alternative, high-capacity channels directly linked via the Russian-Chinese logistics networks. Shipments are transported smoothly from our facility to major Russian terminals like Moscow, Novosibirsk, and Vladivostok via the China-Europe Railway Express (Trans-Siberian routes), maintaining stable pricing and predictable delivery timelines.
Providing customizable dimensions and processing to adapt to standard industrial pipelines.
We support bespoke dimensions for 304, 316L, 2205, and 321 stainless steel grades with outer diameters ranging from 6.35 mm to 19 mm, tailored to specific engineering drawings.
Our workshop handles high-density spiral layout bending for heat exchangers and cryo-condensers. Spiral configuration improves thermal transfer efficiency in compact areas.
For custom instrument manufacturing, capillary tubing must be straightened and cut to custom lengths with clean, burr-free ends. Our computerized laser systems maintain precise cuts.
By employing nitrogen-hydrogen atmosphere protection furnaces, we achieve online bright annealing. This ensures inside and outside surfaces remain free of oxide scale, optimizing flow dynamics.
We provide flanged capillary connections for integration into automotive systems, chemical reactors, and chromatography instrumentation systems.
Every batch of tubing undergoes rigorous quality control, including hydrostatic pressure testing, air tightness checks, eddy current analysis, and tensile strength validation.
Where Sihe's precision steel tubing meets critical infrastructure demands.
Highly utilized in oil refineries across the Volga-Ural region, performing thermal heat recovery under corrosive chemical exposure.
Essential for gas liquefaction plants, cold chain storage systems, and air conditioning infrastructure in urban centers.
Designed to handle corrosive media, acids, and chlorine elements, preventing pitting and crevice corrosion.
Applied in local dairy, distillery, and brewing lines where high hygiene standards demand smooth internal surfaces.
Seamless capillary tubes are used in chromatography, liquid distribution, and pharmaceutical reactor vessels.
High-pressure control lines for boiler feeding, steam pressure indicators, and thermal power plant monitoring systems.
Ensuring steady transport of chemical reagents in testing labs, petrochemical cracking units, and process analyzer systems.
Precision fuel injectors, high-altitude oxygen supply lines, and hydraulic actuation tubes for transport manufacturing.
We are a leading expert in the production of stainless steel coiled tubing, seamless capillary tubes, and high-precision bright annealed lines. Adhering to domestic and international standards (GB, ASTM, ASME, JIS, EN, and GOST), our products are manufactured to fulfill tight engineering requirements. We process steel types including 304/304L, 316L, 321, 317L, 309S, 310S, and Incoloy 800.
Our coiled tubing is available in size outer diameters from 0.125 inch (3.175 mm) to 1 inch (25.4 mm), with wall thicknesses up to 0.165 inch (3 mm). Single continuous lengths can extend up to 32,800 feet (10,000 meters) to support subsea umbilical manufacturing and deep well oil drilling layouts.
With ten years of manufacturing experience, we have successfully exported our products to over 30 countries and regions worldwide, including North America, Germany, Spain, South America, Southeast Asia, the Middle East, and Eastern Europe, positioning ourselves as a reliable strategic supplier in the global specialty steel industry.
Every shipment includes mill test certificates (MTC) conforming to EN 10204 3.1, verifying exact chemical compositions, mechanical properties, and pressure test validations.
Quality ISO 9001
PED CE Approval
Mill Test Conformity
SGS Quality Test Report
EN 10204 3.1 Certification
Safety Compliance Certificate
Factory On-Site Inspection
Lab Testing Endorsement
Quality ISO 14001
Standard Compliance Cert
Customs Union EAC Compliant
EAC Certificate Details
Essential details regarding custom duties, material certifications, logistics routes, and technical specifications.
Looking for a quotation, technical catalog, or factory pricelist for the Russian market? Our technical team is ready to assist.
Send Inquiry NowStandard and custom-drawn tubes in various materials and specifications, optimized for Russian industrial supply chains.
