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Flat tube, also known as aluminum-aluminum composite flat tube, is a specialized component primarily made from refined aluminum rods. It undergoes hot extrusion and surface zinc-spraying treatments to enhance its structural integrity and corrosion resistance. As one of the core materials used in micro-channel heat exchangers, this flat tube plays a vital role in modern automotive air conditioning systems and other HVAC applications.
* Manufactured from Refined Aluminum Rods
GM-CX uses high-purity aluminum as the base material, ensuring excellent thermal conductivity, structural strength, and ease of processing. The aluminum rods are precisely extruded to form a flat, multi-hole internal structure.
* Surface Zinc Spraying for Corrosion Resistance
The surface is treated with zinc spraying to effectively combat gas corrosion and environmental damage, significantly extending service life in demanding operating conditions.
* Shallow Holes and Multi-Channel Internal Design
The inner structure is characterized by multiple shallow holes (micro-channels) that support uniform heat distribution and optimize refrigerant flow.
* Clever Bottom Fineness
The dimensional accuracy is one of the core strengths of GM-CX flat tubes. From height control to width deviation, tolerances are tightly maintained—deviation ranges can reach within ±0.05 mm—ensuring compatibility with high-precision heat exchanger assemblies.
* High Purity and Density
The flat tube features excellent purity and dense structure, essential for maintaining airtightness and avoiding leakage in pressurized systems. This also contributes to enhanced pressure resistance and thermal efficiency.
* Environmentally Friendly
Designed specifically for use with environmentally friendly refrigerants, such as R134a and the latest generation of low-GWP refrigerants, the flat tube supports sustainability goals in the HVAC and automotive industries.
* Corrosion-Resistant and Long-Lasting
The zinc-coated surface not only prevents oxidation but also significantly reduces the risk of internal corrosion caused by refrigerants and external exposure to moisture or road salt.
* Automotive Air Conditioning Systems
Widely used in automotive micro-channel condensers and evaporators, especially in vehicles like the Qin series. The flat tube is an essential material that ensures reliable performance in compact heat exchangers.
* HVAC Heat Exchange Systems
Due to its high efficiency and compact design, it is also suitable for residential and commercial air conditioning systems where space-saving and energy performance are critical.
GM-CX is a leading thermal management solution provider with cutting-edge facilities and automated production lines. With a focus on precision extrusion, surface treatment, and environmental compliance, the company ensures that each flat tube meets the highest industry standards.
* Strict Quality Control
Each batch undergoes dimensional inspection, pressure testing, and corrosion resistance verification to ensure long-term durability and consistent performance.
* Customized Solutions
GM-CX supports customization in terms of length, hole size, wall thickness, and surface treatment to meet specific application requirements in the global automotive and HVAC industries.
Come and contact us to shop! ! !
Flat tube, also known as aluminum-aluminum composite flat tube, is a specialized component primarily made from refined aluminum rods. It undergoes hot extrusion and surface zinc-spraying treatments to enhance its structural integrity and corrosion resistance. As one of the core materials used in micro-channel heat exchangers, this flat tube plays a vital role in modern automotive air conditioning systems and other HVAC applications.
* Manufactured from Refined Aluminum Rods
GM-CX uses high-purity aluminum as the base material, ensuring excellent thermal conductivity, structural strength, and ease of processing. The aluminum rods are precisely extruded to form a flat, multi-hole internal structure.
* Surface Zinc Spraying for Corrosion Resistance
The surface is treated with zinc spraying to effectively combat gas corrosion and environmental damage, significantly extending service life in demanding operating conditions.
* Shallow Holes and Multi-Channel Internal Design
The inner structure is characterized by multiple shallow holes (micro-channels) that support uniform heat distribution and optimize refrigerant flow.
* Clever Bottom Fineness
The dimensional accuracy is one of the core strengths of GM-CX flat tubes. From height control to width deviation, tolerances are tightly maintained—deviation ranges can reach within ±0.05 mm—ensuring compatibility with high-precision heat exchanger assemblies.
* High Purity and Density
The flat tube features excellent purity and dense structure, essential for maintaining airtightness and avoiding leakage in pressurized systems. This also contributes to enhanced pressure resistance and thermal efficiency.
* Environmentally Friendly
Designed specifically for use with environmentally friendly refrigerants, such as R134a and the latest generation of low-GWP refrigerants, the flat tube supports sustainability goals in the HVAC and automotive industries.
* Corrosion-Resistant and Long-Lasting
The zinc-coated surface not only prevents oxidation but also significantly reduces the risk of internal corrosion caused by refrigerants and external exposure to moisture or road salt.
* Automotive Air Conditioning Systems
Widely used in automotive micro-channel condensers and evaporators, especially in vehicles like the Qin series. The flat tube is an essential material that ensures reliable performance in compact heat exchangers.
* HVAC Heat Exchange Systems
Due to its high efficiency and compact design, it is also suitable for residential and commercial air conditioning systems where space-saving and energy performance are critical.
GM-CX is a leading thermal management solution provider with cutting-edge facilities and automated production lines. With a focus on precision extrusion, surface treatment, and environmental compliance, the company ensures that each flat tube meets the highest industry standards.
* Strict Quality Control
Each batch undergoes dimensional inspection, pressure testing, and corrosion resistance verification to ensure long-term durability and consistent performance.
* Customized Solutions
GM-CX supports customization in terms of length, hole size, wall thickness, and surface treatment to meet specific application requirements in the global automotive and HVAC industries.
Come and contact us to shop! ! !