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Galvanized Steel Pipe
Material:Carbon Steel
Technique:ERW
Usage:Construction & Decoration, Furniture
- Overview
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Product Overview
Galvanized steel pipe is a high-durability, cost-efficient, and multi-functional tubular steel product widely adopted in global construction, municipal, and industrial industries. Manufactured through professional hot-dip galvanizing technology, the finished steel pipe is completely immersed in high-temperature molten zinc liquid, forming a dense, uniform, and tightly bonded zinc protective layer on the steel surface.
The zinc coating serves as a sacrificial anode barrier, which actively protects the steel substrate from oxidation, rust, and chemical erosion. It effectively resists damage caused by moisture, salt spray, industrial chemicals, and extreme outdoor weather conditions. Thanks to its superior environmental adaptability and stable physical properties, hot-dip galvanized steel pipe can maintain long-term service performance for decades, with a service life of over 100 years under ideal environmental conditions.
Core Advantages
Long Service Life and Ultra-Low Maintenance Cost: Hot-dip galvanizing anti-rust treatment delivers far better cost performance than traditional paint coating. Galvanized steel pipes can remain maintenance-free for more than 50 years in suburban environments and about 20 years in complex urban and offshore coastal areas. With up to 30 years of stable rust-free performance, it is a more economical and practical alternative to high-cost stainless steel materials for most engineering scenarios.
Ultra-Stable Coating Bonding and Strong Toughness: The galvanized zinc layer forms a solid metallurgical combination with the steel base, integrating organically with the pipe surface instead of simple physical attachment. This unique metallurgical structure endows the coating with excellent toughness and impact resistance, effectively resisting mechanical collision, friction and structural damage during long-distance transportation, on-site installation and daily use.
Reliable Structural Performance and Easy Inspection: The smooth and uniform zinc finish provides clear visual appearance, allowing staff to quickly and accurately check coating integrity and pipe surface conditions for daily maintenance. The galvanizing process will not weaken the pipe’s original structural strength; on the contrary, it further improves the pipe’s wear resistance and environmental stress resistance, adapting to various complex and harsh engineering working conditions.
Processing Performance & Application Scope
Galvanized steel pipes feature excellent processing versatility and support all conventional steel processing methods, including cutting, bending, welding, punching and drilling. Sufficient ventilation is required during thermal processing operations to ensure construction safety. To maintain complete anti-corrosion performance, all cutting sections, drilled holes and welding joints must be repaired with cold galvanizing compound after secondary processing. Specifications from 8 inches to 12 inches may retain process holes at the pipe ends caused by the hot-dip galvanizing process. All dimensional data refers to nominal sizes before galvanization, and standard products adopt plain unthreaded ends for flexible and diversified installation.
With outstanding corrosion resistance and structural stability, galvanized steel pipes cover a wide range of application scenarios. They are widely used in building structural supports, safety railings, fence posts, greenhouse frames, municipal water supply and drainage pipelines, marine and outdoor exposed engineering projects, as well as industrial equipment and automotive manufacturing fields. It is a highly reliable and cost-effective tubular material for all projects that require long-term durability and stable anti-rust performance.
Product parameters
Galvanized steel pipe | |
Material |
Carbon Steel |
Technique |
ERW |
Usage |
Construction & Decoration, Furniture |
Standard |
ASTMA53, JIS G3101, GB/T 13793-2016, GB/T 3094-2012, GB-T 3325-2017, |
Available shapes |
Round, Square, Rectangular, Oval, U-shaped or Custom Shape |
Outer Diameter |
20mm-220mm |
Wall Thickness |
0.3-2.5mm |
length |
3.6-7m (Can be cut to shorter lengths afterwards) |
Surface Treatment |
Galvanized |
Origin |
Shenzhen, Guangzhou (China) |
FAQ
Q1: Can I get samples before order ?
A1: Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings，but the courier freight will be covered by customer account.
Q2: What is the delivery time?
A2: 8-45 days
Q3: What is your MOQ?
A3: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.
Q4: What kind of payment does your company support?
A4: T/T, L/C
Q5: What kind of trade term does your company support?
A5: FOB, CIF, EXW, CFR
Q6:Do you provide custom made Products service?
A6:Yes,if you have your own design , we canproduce according to your specification and drawing.
Q7: Are you trading company or manufacturer ?
A7: We are professional manufacturer more than 12 years. we can provide a wide range of steel products.
Q8: Can I go to your factory to visit?
A8: Of course, we welcome customers from all over the world to visit our factory.
