
High-Stability Heat Exchanger Tube for Optimal Thermal Performance. Patented Heterogeneous Welding: Enables superior aluminum-steel and copper-steel bonding with 40% higher shear strength. High Corrosion Resistance: Salt spray testing exceeds 1000 hours with optional epoxy, PTFE, and ceramic coatings. Cost-Effective Material Mix: Aluminum-steel combinations reduce material costs by up to 60% without compromising quality. 100% Airtight Guarantee: Patented sealing technology ensures zero leakage in high-pressure environments. Extensive Material Options: Available in carbon steel, stainless steel (304/316/321), and various alloy steels. Comprehensive Quality Testing: Includes helium mass spectrometry, ultrasonic/X-ray inspection, and 100% dimensional verification.