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Home > Metallurgy, Mineral & Energy > Steel & Products > Steel Pipe & Tube > HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use thumbnail-2

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HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use thumbnail-4

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use thumbnail-5

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use photo-1

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use photo-2

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use photo-3

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use photo-4

HDG Steel Pipe 21.3-323.8mm Hot Dipped Galvanized Seamless/Welded Round/Square for Structural Use photo-5

Product Spotlights

HDG Steel Pipes from Hunan Yige feature hot-dipped galvanizing for superior corrosion resistance, available in diameters 21.3-323.8mm with seamless or welded types and round or square shapes for structural use. Certified with ISO9004 and ISO14000, they ensure durability and reliability, backed by global market reach and manufacturer expertise, ideal for cost-effective, long-lasting applications.

Negotiable MOQ: 1 Ton (Price negotiable depending on order volume and customization)

Key Specifications

Get Latest Price

Material:

Other, Steel

Type:

Other, Seamless or Welded

Surface Treatment:

Other, Hot Dipped Galvanized

Contact Supplier Request Quote Chat Now

Hunan Yige Special Steel Science Technology Co.,Ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

7 days

Product Details
Company Profile
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Material Other, Steel

Type Other, Seamless or Welded

Surface Treatment Other, Hot Dipped Galvanized

Diameter Range 21.3-323.8 mm

Shape Round or Square

Application Structural Use

Certification ISO9004, ISO14000, Others

Brand Hunan Yige Special Steel

Function Corrosion Resistance

As a dedicated manufacturer with a strong foundation, Hunan Yige Special Steel Science Technology Co., Ltd. introduces our premium HDG Steel Pipe range. Established in 2015 and operating from a modern facility covering 5,000-10,000 square meters in Changsha, Hunan, China, we leverage our expertise to deliver reliable steel solutions. Our products are backed by ISO9004 and ISO14000 certifications, ensuring consistent quality and environmental responsibility. Designed for structural applications, these hot-dipped galvanized pipes provide exceptional durability and corrosion protection, making them a smart choice for global projects across diverse industries.

Our HDG Steel Pipes stand out with versatile features tailored for demanding environments. Available in diameters from 21.3mm to 323.8mm, they accommodate a wide spectrum of structural needs, whether for small-scale frameworks or large infrastructure. The option of seamless or welded types allows flexibility; seamless pipes offer uniform strength for high-pressure scenarios, while welded pipes are cost-effective and efficient for standard applications. Shapes include both round and square, enabling easy integration into various designs like building supports, bridges, or fencing systems. The hot-dipped galvanizing process involves immersing the steel in molten zinc, creating a robust barrier against rust and extending the pipe's lifespan significantly. This treatment ensures resistance to harsh weather, chemicals, and abrasion, reducing long-term maintenance costs. Key advantages include:

Enhanced longevity – The zinc coating minimizes corrosion, leading to a service life that can exceed decades in optimal conditions.
High strength-to-weight ratio – Made from quality steel, these pipes support heavy loads without compromising structural integrity.
Ease of installation – Standardized dimensions and finishes allow for quick assembly, saving time on construction sites.
Versatile adaptability – Suitable for indoor and outdoor use in sectors like construction, agriculture, and industrial frameworks.

Technical specifications are critical for informed decisions; below is a summary of core parameters. Note that wall thickness and lengths are customizable to meet specific project requirements, ensuring optimal fit.

Parameter	Details
Material Composition	Carbon Steel
Diameter Options	21.3 mm to 323.8 mm
Available Types	Seamless or Welded
Shape Variants	Round or Square
Galvanizing Thickness	Customizable (typically 45-85 microns)
Standard Lengths	Available upon request

For customers, these pipes translate into tangible benefits such as reduced replacement frequency, lower operational expenses, and enhanced safety in structural applications. By choosing our products, you invest in reliability that withstands environmental challenges, backed by our rigorous quality control processes.

Trust in our global footprint and proven credentials; with markets spanning North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the Domestic Market, we have established a reputation for excellence. Our ISO certifications underscore a commitment to precision and sustainability, while our manufacturer status ensures direct access to competitive pricing and tailored support. Elevate your projects with pipes that combine innovation with dependability—contact us today for a consultation or quote to discover how our HDG Steel Pipes can drive your success.

Frequently Asked Questions:

Q: What is the primary benefit of hot-dipped galvanizing?
A: Hot-dipped galvanizing provides a thick, adherent zinc coating that offers superior corrosion resistance compared to other methods, extending the pipe's lifespan in corrosive environments like coastal or industrial areas.
Q: Can I request non-standard diameters or shapes?
A: Yes, we offer customization for diameters, shapes, and other specifications to align with unique project needs; simply provide your requirements during inquiry.
Q: How does seamless differ from welded in structural applications?
A: Seamless pipes have no welded seams, making them ideal for high-stress applications due to uniform strength, while welded pipes are more economical and suitable for general structural support where pressure is lower.
Q: What industries commonly use these pipes?
A: They are widely applied in construction for frameworks, bridges, and scaffolding; agriculture for fencing; and industrial settings for support structures, thanks to their durability and versatility.
Q: Are there specific handling or storage recommendations?
A: Store pipes in a dry, covered area to prevent moisture accumulation, and handle with care using appropriate equipment to avoid damaging the galvanized coating during transport or installation.
Q: What quality assurance measures are in place?
A: Our production adheres to ISO9004 and ISO14000 standards, with regular inspections and testing for dimensions, coating thickness, and mechanical properties to ensure consistent performance.
Q: How long is the typical lead time for orders?
A: Lead times depend on order volume and customization; standard items may ship faster, while bespoke requests require additional processing—contact us for precise timelines.
Q: Do you provide samples before bulk orders?
A: Yes, samples are available upon request to verify quality and suitability, helping you make confident purchasing decisions.