Galvanized Carbon Steel Tubes
Galvanized Carbon Steel Tubes - Image 2
Galvanized Carbon Steel Tubes - Image 3
Galvanized Carbon Steel Tubes - Image 4

Galvanized Carbon Steel Tubes

Electro-Galvanized Precision Steel Tubes for Hydraulic & Automotive Systems

Galvanized carbon steel tubes are manufactured using electro-galvanizing (cold galvanizing) process, which forms a uniform, dense, and well-bonded zinc coating on the tube surface. This coating significantly improves corrosion resistance, appearance quality, and service life.

Vulroc Tube supplies high-quality electro-galvanized precision carbon steel tubes widely used in hydraulic systems, automotive pipelines, and precision machinery applications.

Send Inquiry
Categories , ,

 

 

Manufacturing Process

The electro-galvanizing process uses electrolytic deposition to apply a zinc coating on bright carbon steel tubes.

Process Flow:
Precision Steel Tube → Degreasing → Pickling →
Electro-Galvanizing → Passivation → Drying → Inspection

The electro-galvanized layer is:

  • Uniform and dense
  • Strongly bonded to base metal
  • Smooth and bright surface
  • Environmentally friendly process
  • Improved corrosion resistance

Technical Specifications

  • Base Material: Seamless carbon steel tubes (bright annealed / precision drawn)

  • Coating Process: Electro-galvanizing (cold galvanizing) – electrolytic deposition

  • Coating Color:

    • White (clear/blue passivation)

    • Colored (yellow, black, or other custom colors available upon request)

  • Post-Treatment: Passivation (trivalent chromium or environmentally friendly alternatives)

  • Coating Performance:

    • Uniform thickness

    • Excellent adhesion

    • No flaking or peeling under bending, flaring, or flattening tests

  • Standards:

    • ASTM A633 / A787

    • DIN 2391 / EN 10305 (precision steel tubes with zinc coating)

    • Custom standards available upon request

  • Outer Diameter (OD): 4 mm – 219 mm

  • Wall Thickness (WT): 0.5 mm – 25 mm

  • Length: Fixed lengths 3–12 meters, or custom lengths per request
 

Why Choose Our Electro-Galvanized Tubes

Feature Technical Description Customer Value
🔹 Electro-Galvanized (Cold Galvanizing) Based on electrolytic principles; environmentally friendly process compliant with modern standards. Safe for operators and the environment; meets stringent regulatory requirements.
🔹 Uniform, Dense & Well-Adhered Zinc Coating Applied on bright seamless steel tube substrate for optimal bonding. Consistent protection across the entire surface; no weak spots; extends service life.
🔹 Aesthetic Finish Available in white or colored appearance for enhanced visual appeal. Improves the overall appearance of finished equipment; adds value for end users.
🔹 Excellent Bending Performance Zinc layer remains intact without peeling, flaking, or cracking during bending operations. Reliable for secondary fabrication; reduces scrap and rework.
🔹 Passivation Treatment Post-galvanizing passivation strengthens anti-corrosion and anti-rust properties. Superior protection in humid, corrosive, or outdoor environments.

Applications

Our electro-galvanized carbon steel tubes are widely used in industries where precision, aesthetics, and corrosion resistance are critical.

  • Automotive & Commercial Vehicles:

    • Chassis hydraulic systems

    • Air brake tubing and pneumatic systems

    • Fuel and coolant lines

  • Construction & Engineering Machinery:

    • Hydraulic systems for excavators, loaders, and cranes

    • Instrumentation and control lines

  • Precision Machinery:

    • Hydraulic systems requiring high precision

    • Pneumatic actuators and cylinders

  • Applications Requiring High Aesthetics & Anti-Corrosion Performance:

    • Finished equipment where surface appearance and rust prevention are essential

    • Customers demanding both visual appeal and long-term durability

By choosing our galvanized tubes, equipment manufacturers can enhance the overall appearance, anti-rust capability, and product quality of their finished machinery.

FAQ

What is electro-galvanized steel tube?
Electro-galvanized tubes are coated with zinc using electroplating process.

Is the coating suitable for bending?
Yes, the zinc coating will not peel during bending.

What color can you supply?
White zinc, yellow zinc, and blue-white zinc.

Are these tubes suitable for hydraulic systems?
Yes, widely used in hydraulic and automotive pipelines.

Is passivation available?
Yes, passivation improves corrosion resistance.

Related products

Instant Quote
Instant Quote

Get Quote Now

You inquiry will be replied in 24 hours

instant-quote01