Bi-Metal Composite Steel Pipe Solution For Oil & Gas
Corrosion poses a persistent and critical challenge in oil and gas production and transportation. Harmful media such as CO₂, H₂S, seawater, and chlorides in crude oil and natural gas continuously degrade pipeline integrity, weaken structural strength, and threaten operational safety. Jiangsu Zhongxin Pipe Sci-Tech Co., Ltd. (Zonpipe) delivers high-performance CRA solutions to safeguard your pipeline infrastructure, minimize costly repairs, reduce downtime, and prevent economic losses.
Extended Lifespan
Minimize pipeline replacements with our high-performance CRA cladding and lined pipe products, engineered to resist aggressive corrosion in the harshest oil and gas environments, delivering long-term structural reliability.
Cost Savings & Reliability
Achieve significant operational savings through extended service life, optimized material costs, and a durable CRA solution that minimizes unplanned repairs, unexpected shutdowns, and maintenance expenses.
Enhanced Safety
Reduce the risk of leaks, failures, and environmental incidents, supporting safer onshore and offshore operations, full compliance with industry safety standards, and environmental protection requirements.
Eco-Friendly Approach
Minimize CRA material consumption through advanced bimetallic cladding technology, extend service life to reduce replacement frequency, and source materials from certified local suppliers to lower overall carbon footprint throughout the product lifecycle.


Recommended Products
RecommendationsBimetal Composite Pipe: Corrosion Solution for Offshore Engineering Pipelines
Offshore engineering operations, including deep-sea oil and gas development, subsea pipeline transportation, and offshore platform piping systems, operate under extreme corrosive conditions. Pipes are continuously exposed to multiple corrosive agents—high-salinity seawater, concentrated chloride ions, dissolved oxygen, carbon dioxide (CO₂), hydrogen sulfide (H₂S), and marine microorganisms—compounded by deep-sea high pressure, temperature fluctuations, and wave impacts. These harsh environments often lead to premature pipeline corrosion failure, threatening the safe and stable operation of offshore projects, shortening service life, and even triggering catastrophic safety incidents and substantial economic losses.
Mechanically Lined Steel Pipe(MLP)
Adopting advanced mechanical spinning composite technology, the mechanical composite steel pipe closely bonds two complementary metal materials (usually carbon steel as the base pipe, and stainless steel, duplex steel, nickel-based alloy, titanium alloy, or Monel alloy as the inner liner) through elastic and plastic deformation. It requires no high-temperature fusion, featuring full-process green environmental protection and high energy efficiency. Strictly complying with international and industry standards such as API-5LD, DNV-ST-F101, SHELL DEP 31.40.20.32-Gen., ADNOC-AGES, GB/T31940, and CJ/T 192, the product combines the high strength and high pressure-bearing capacity of the outer base pipe with the corrosion resistance and wear resistance of the inner cladding, effectively solving the industry pain points of "insufficient strength" or "poor corrosion resistance" of single-material pipes.
Metallurgically Composite Pipe Fittings
Metallurgical composite pipe fittings (also known as bimetallic metallurgical composite pipe fittings) are high-end pipeline accessories integrally formed by combining high-strength carbon steel/alloy steel base layer with high-performance corrosion-resistant alloy cladding through metallurgical bonding process (atomic-level molecular fusion). They integrate structural strength, corrosion resistance and economy, and are the core solution for high-temperature, high-pressure and strong corrosion working conditions.
Bimetal Composite Pipe Fluid Transfer Solution for Pharmaceutical & Food & Beverage Industries
医药与食品饮料行业对流体输送管道有着极高的要求,传统管材在实际应用中面临多重痛点:卫生安全风险:传统碳钢管道易发生锈蚀、结垢,会污染药液、纯化水、饮料原液等介质,影响产品纯度与食品安全;部分不锈钢管材焊缝易出现晶间腐蚀,滋生微生物,引发批次污染。 …
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