Bimetallic composite pipes, as the core carrier for fluid transportation and media conduction, are crucial to project safety. Compared to traditional pipes made of a single material, bimetallic composite pipes are manufactured using a composite production process that combines metals with different properties. This retains the high strength and toughness of the base material while also giving the bimetallic composite pipe additional properties such as corrosion resistance and high-temperature resistance. Regarding material selection, we consistently use high-quality raw materials to ensure that the quality of the finished bimetallic composite pipes precisely meets the customer's usage requirements. The selection of metal materials includes two main categories: the base layer and the composite layer, with flexible combinations of the two materials. Detailed material selection is as follows:
Base layer material: Its function is to bear pressure and ensure the overall strength and toughness of the pipeline.High-performance materials with excellent mechanical properties are selected, such as Q235, Q355, 20# seamless steel, and X70 pipeline steel. The choice is flexible according to the actual project requirements;
Overlay material: Materials with corrosion resistance, wear resistance, and high temperature resistance are selected. Suitable materials include stainless steel and duplex steel.
Bimetallic composite pipes, thanks to their superior material selection and advanced manufacturing processes, possess several core performance characteristics, solving the problems inherent in traditional pipes. Their core advantages are as follows:
Corrosion and wear resistant: The cladding layer of the bimetallic composite pipe is made of corrosion- and wear-resistant materials, effectively resisting corrosion from harsh environments such as acids, alkalis, salt spray, and seawater, preventing leaks caused by pipe corrosion. Furthermore, the connection between the base layer and the cladding layer uses an advanced positive spin hot-melt bonding process, achieving a bonding strength of up to 16MPa. This reduces the likelihood of delamination and cracking during later use, lowering replacement and maintenance costs for customers;
High strength and high toughness: Bimetallic composite pipe uses a high-strength steel base layer, enabling it to be used in environments with high pressure, impact, and vibration. At the same time, it can withstand extreme temperature differences across a wide temperature range, meeting usage requirements in cold climates, tropical regions, and high-altitude areas;
Energy-saving and environmentally friendly, with reduced costs: Bimetallic composite pipes eliminate the need for anti-corrosion coatings, reducing the use of coating materials and minimizing environmental pollution. The smooth inner wall of the pipe results in low resistance during transport, reducing energy consumption and lowering costs over long-term use.
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