Galvanized Coated Pipe

Overview of Galvanized Coated Pipe

Galvanized Coated Pipe is a zinc-coated steel pipe designed for corrosion resistance, durability, and long-term performance in various industries, including water transmission, construction, oil & gas, and industrial applications. The galvanization process involves coating the steel pipe with a protective layer of zinc, which prevents rust and enhances the pipe’s lifespan.

Key Features of Galvanized Coated Pipe

✔ Superior corrosion resistance in harsh environments
✔ Zinc coating extends the lifespan of the steel pipe
✔ Cost-effective and easy to install
✔ Smooth surface reduces maintenance and improves fluid flow
✔ Widely used in water distribution, construction, and structural applications

This guide will cover Galvanized Coated Pipes, including manufacturing processes, specifications, applications, price trends, and benefits.

Top Galvanized Coated Pipe Manufacturers

Choosing a trusted manufacturer ensures high-quality materials, compliance with international standards, and long-lasting pipeline performance. Below are some of the leading Galvanized Coated Pipe manufacturers in 2025:

1. Cangzhou Spiral Steel Pipes Group Co., Ltd

✔ 27 years of experience in steel pipe manufacturing
✔ 13 production lines for Φ219–Φ3500mm spiral welded pipes
✔ Hot-dip galvanized, epoxy resin, FBE, and 3LPE coating solutions
✔ Annual production capacity: 400,000 tons
✔ ISO 9001, API 5L, and ASTM-certified coatings

2. Baosteel Group (China)

A top steel producer specializing in high-quality galvanized pipes for industrial and construction applications.

3. Jindal SAW Ltd (India)

A major supplier of galvanized steel pipes for water transmission, oil & gas, and infrastructure projects.

4. Tenaris (Global)

A leading manufacturer of coated steel pipes for oil & gas pipelines, industrial piping, and offshore applications.

5. Welspun Corp Ltd (India)

A global leader in galvanized steel pipes, offering hot-dip and electro-galvanized coatings for various applications.

Each of these manufacturers ensures strict compliance with industry coating standards, guaranteeing high durability and performance.

Galvanized Coated Pipe vs Other Coated Pipes

Selecting the right coating system depends on application, durability, cost, and environmental factors. Here’s how Galvanized Coated Pipe compares with other coating types:

Feature	Galvanized Coated Pipe	Epoxy Resin Lined Pipe	FBE (Fusion Bonded Epoxy) Coated Pipe	3LPE (Three-Layer Polyethylene) Coated Pipe
Corrosion Resistance	Moderate to High	High	High	Very High
Chemical Resistance	Moderate	Excellent	High	Excellent
Adhesion to Steel	Strong	Strong	Strong	Very Strong
Friction Reduction	Moderate	High	High	Moderate
Suitability for Drinking Water	Yes	Yes	No	No
Best Use Case	Structural, water pipes, fencing	Industrial piping, potable water	Oil & gas pipelines, marine applications	Underground pipelines, high-impact areas

Why Choose Galvanized Coated Pipes?

✔ More cost-effective than epoxy resin and polyethylene coatings
✔ Ideal for outdoor applications due to weather resistance
✔ Long-lasting protection against rust and corrosion
✔ Widely used in construction, infrastructure, and water distribution

Galvanized Coated Pipe Price Per Ton in 2025

The price of Galvanized Coated Pipes varies based on factors such as pipe diameter, wall thickness, zinc coating thickness, and raw material costs. Below is an estimated pricing chart for 2025:

Pipe Diameter (mm)	Wall Thickness (mm)	Zinc Coating Thickness (g/m²)	Price Per Ton (USD)
219 – 600	6 – 10	200 – 400	1,100−1,100 – 1,100−1,700
610 – 1200	8 – 14	300 – 500	1,500−1,500 – 1,500−2,200
1220 – 1800	10 – 18	400 – 600	1,800−1,800 – 1,800−2,500
2000 – 3500	12 – 25	500 – 700	2,300−2,300 – 2,300−3,100

Factors Affecting Price:

✔ Zinc Coating Thickness – Thicker coatings cost more due to additional material usage.
✔ Pipe Diameter & Length – Larger pipes require more coating material, increasing costs.
✔ Manufacturing Costs – Labor, energy, and transportation expenses impact pricing.
✔ Bulk Orders – Large quantity orders receive better pricing.

Cangzhou Spiral Steel Pipes Group offers high-quality Galvanized Coated Pipes at competitive prices.

Galvanized Coated Pipe Manufacturing Process & Quality Control

How Is Galvanized Coated Pipe Manufactured?

The galvanization process involves immersing steel pipes in molten zinc to create a protective layer that prevents rust and corrosion. Below is a detailed step-by-step breakdown of the manufacturing process:

1. Surface Preparation

• The steel pipes are cleaned using acid pickling to remove rust, scale, and contaminants.
• Pipes are then rinsed and fluxed to enhance the bonding of zinc to the steel surface.

2. Hot-Dip Galvanization Process

• The cleaned pipes are immersed in a molten zinc bath at approximately 450°C (842°F).
• The zinc reacts with the steel to form a corrosion-resistant layer.

3. Cooling & Solidification

• Galvanized pipes are removed from the zinc bath and cooled in water or air.
• The zinc coating hardens, creating a durable, weather-resistant surface.

4. Quality Control & Testing

• Zinc Coating Thickness Testing ensures compliance with ASTM, ISO, and national standards.
• Adhesion Testing verifies that the zinc layer is firmly bonded to the steel.
• Salt Spray & Corrosion Testing assesses rust resistance in harsh environments.
• Mechanical Testing ensures the pipe maintains structural integrity after galvanization.

5. Final Inspection & Packaging

• Pipes are visually inspected for uniformity, coating defects, and quality standards.
• Each pipe is marked with batch numbers, zinc coating specifications, and manufacturer details for full traceability.
• Pipes are then bundled, packed, and prepared for shipping.

Why Galvanized Coated Pipes Are Preferred?

✔ Cost-effective and widely used in construction and water systems
✔ Resistant to rust, corrosion, and environmental impacts
✔ Durable and long-lasting, reducing maintenance costs
✔ Ideal for structural applications, fencing, and fluid transport

Cangzhou Spiral Steel Pipes Group Co., Ltd ensures strict compliance with ISO, API, and ASTM standards for high-quality galvanized pipes.

Galvanized Coated Pipe Applications & Industry Uses

Where Are Galvanized Coated Pipes Used?

Galvanized Coated Pipes are widely used in various industries where corrosion resistance, durability, and structural integrity are essential.

Industry	Application	Why Galvanized Coated Pipes?
Water Transmission	Drinking water pipelines, irrigation systems	Rust-resistant, safe for potable water
Construction & Infrastructure	Scaffolding, guardrails, handrails	High strength, durable in outdoor conditions
Oil & Gas Industry	Low-pressure oil and gas pipelines	Corrosion-resistant, low maintenance
Agriculture & Fencing	Greenhouse frames, animal enclosures	Weatherproof, long-lasting protection
Fire Protection Systems	Fire sprinkler pipelines	Fire-resistant, reliable under extreme conditions

Why Galvanized Coating is Preferred for Structural Applications?

✔ Enhances structural durability and prevents environmental damage
✔ Cost-effective alternative to stainless steel
✔ Does not require frequent maintenance or repainting
✔ Ideal for outdoor exposure due to high resistance to moisture and rust

Cangzhou Spiral Steel Pipes Group provides customized galvanized pipes for construction, water transmission, fencing, and infrastructure applications.

Galvanized Coated Pipe vs Other Anti-Corrosion Methods

When selecting anti-corrosion coatings, it’s important to compare galvanization with other commonly used coatings.

Feature	Galvanized Coated Pipe	Epoxy Resin Lined Pipe	FBE (Fusion Bonded Epoxy) Coated Pipe	3LPE (Three-Layer Polyethylene) Coated Pipe
Corrosion Resistance	Moderate to High	High	High	Very High
Weather Resistance	Excellent	Moderate	High	Excellent
Impact Resistance	High	Moderate	High	Very High
Suitability for Drinking Water	Yes	Yes	No	No
Lifespan	20-50 years	25-50 years	20-40 years	30-60 years
Best Use Case	Structural, fencing, water pipes	Industrial piping, potable water	Oil & gas pipelines, marine applications	Underground pipelines, high-impact areas

Key Advantages of Galvanized Coated Pipes

✔ More affordable than epoxy resin and polyethylene coatings
✔ Ideal for structural applications due to high durability
✔ Excellent protection for outdoor and exposed environments
✔ Long-lasting and requires minimal maintenance

Galvanized Coated Pipe Suppliers & Exporters

If you are looking to import Galvanized Coated Pipes, working with a reliable supplier ensures quality, competitive pricing, and timely delivery.

Top Chinese Exporters of Galvanized Coated Pipes

Company Name	Location	Annual Production Capacity
Cangzhou Spiral Steel Pipes Group Co., Ltd	Hebei, China	400,000 tons
Baosteel Group	Shanghai, China	500,000+ tons
Tianjin Steel Pipe Co.	Tianjin, China	300,000 tons

Why Choose Cangzhou Spiral Steel Pipes Group for Galvanized Coated Pipes?

✔ 27 years of experience in steel pipe manufacturing
✔ ISO 9001, API 5L, and ASTM-certified coatings
✔ 13 production lines, covering diameters from 219mm to 3500mm
✔ Custom coatings and anti-corrosion treatments available
✔ Strong export network to North America, Europe, and Asia

For high-quality Galvanized Coated Pipes, Cangzhou Spiral Steel Pipes Group Co., Ltd is a trusted supplier.

FAQ: Galvanized Coated Pipe

Question	Answer
What is Galvanized Coated Pipe used for?	Used for water transmission, construction, industrial piping, and fencing applications.
How does Galvanized Coating compare to Epoxy Resin coatings?	Galvanization is more cost-effective and ideal for outdoor use, while epoxy resin provides better chemical resistance.
What is the lifespan of a Galvanized Coated Pipe?	20-50 years, depending on environmental exposure and maintenance.
Who is the best supplier?	Cangzhou Spiral Steel Pipes Group Co., Ltd is a leading supplier with ISO & API-certified coatings.
What is the price per ton in 2025?	Prices range from 1,100to1,100 to 1,100to3,100 per ton, depending on size and coating thickness.
Is Galvanized Coating safe for drinking water?	Yes, it is widely used in water transmission systems.
How are these pipes tested?	Zinc coating thickness measurement, adhesion testing, and corrosion resistance tests ensure quality compliance.
Can Galvanized Coated Pipes be used underground?	Yes, but additional external coatings like 3LPE are recommended for harsh soil conditions.

Final Thoughts

Galvanized Coated Pipes are widely used in construction, water transmission, fencing, and industrial applications due to their cost-effectiveness, durability, and corrosion resistance.

For premium quality Galvanized Coated Pipes, Cangzhou Spiral Steel Pipes Group Co., Ltd is your best choice in 2025!

Need a quote or more technical details? Contact Cangzhou Spiral Steel Pipes Group today!