Double Wall Steel Tube

Double wall steel tubing featuring copper brazed 720-degree seamless construction and zinc/galvanized coating. Engineered for superior vibration resistance in refrigeration compressors with high dimensional accuracy and pressure safety. Ideal for automotive brake lines, fuel systems, and industrial hydraulic applications requiring exceptional durability.

High-performance double-wall copper-brazed steel tubing with 9.52mm outer diameter and 0.89mm wall thickness. Features zinc coating for corrosion resistance, 34.3 MPa guarantee pressure, and excellent bendability. Ideal for automotive brake lines, refrigeration systems, and industrial fluid transfer applications requiring superior vibration fatigue strength.

Premium double wall steel tubing with zinc galvanized coating for superior corrosion resistance. Features 290MPa tensile strength, 180MPa yield strength, and 48-hour salt spray test performance. Ideal for automotive, condenser, and industrial applications with copper or zinc coating options available.

Double wall copper brazed steel tubing manufactured from low carbon steel strip. Features high pressure resistance up to 34.3 MPa, superior vibration fatigue strength, and excellent bendability. Certified to ASTM A254-97 standards for automotive brake systems, power steering, and industrial fluid applications. Includes comprehensive quality testing and traceability.

Industrial-grade double wall steel tubing featuring 8mm outer diameter with 0.7mm wall thickness. Zinc coated for superior corrosion resistance (withstands 48h salt spray test), cold rolled manufacturing for precision accuracy. Ideal for refrigeration, automotive, and condenser applications with 290MPa tensile strength and 180MPa yield strength.

High-quality double-wall steel tubing with 4.76mm OD and 0.71mm wall thickness. Features zinc coating for 48+ hour salt spray resistance, 290MPa tensile strength, and 20% elongation. Ideal for household refrigeration, automotive components, and condenser systems with superior corrosion protection.

High-performance 3.16×0.5mm double wall brazing steel tubing with SPCC construction and zinc coating. Features 720-degree seamless design for superior vibration resistance, ideal for refrigeration compressors, automotive systems, and hydraulic applications. Available with multiple corrosion-resistant coatings including NyAl, NyZinc, and NyGal options.

High-performance double wall brazed steel tube with 4.76mm outer diameter and 0.6mm wall thickness. Features superior pressure resistance up to 34.3 MPa, excellent vibration fatigue strength, and copper-coated construction. Ideal for automotive brake tubing, power steering systems, and industrial pressure applications requiring reliability and durability.

High-performance 3.16×0.5mm ERW seamless alloy steel Bundy tube with copper coating, designed for demanding compressor and refrigeration systems. Features double-wall construction with 720-degree seamless design for superior vibration resistance and pressure safety. Available with multiple corrosion-resistant coatings including NyAl, NyZinc, and PVF options.

Professional-grade double wall steel tubing featuring copper coating for enhanced corrosion resistance. Withstands 34.3 MPa pressure and 180° bending capability. Ideal for automotive brake systems, power steering, and industrial applications requiring superior vibration fatigue strength and reliable performance.

High-performance double wall brazed steel tube with 34.3 MPa pressure rating and superior vibration fatigue strength. Features copper-plated interior, excellent bendability, and meets rigorous quality standards for automotive brake lines, refrigeration systems, and industrial fluid applications.

Copper brazed double-wall steel tubing with 3.16mm diameter and 0.5mm wall thickness, manufactured to ASTM A254-97 DC04 standards. Features exceptional vibration resistance, high pressure safety, and 720-degree seamless construction. Ideal for automotive, refrigeration, and hydraulic systems requiring superior durability and performance.

Professional-grade copper coated steel bundy tube with 7.9mm outer diameter and 0.7mm wall thickness. Features ASTM A254-97 BHG1 certification, copper brazed double-wall construction, and pressure resistance up to 88 MPa. Ideal for automotive, refrigeration, and hydraulic system applications requiring superior corrosion resistance and mechanical strength.