ASTM A500 Galvanized Welded Round Pipe

ASTM A500 galvanized welded round pipe is manufactured using the High-Frequency Electric Resistance Welding (ERW) process, making it an ideal choice for building structures, piping systems, and various engineering projects. The product strictly complies with ASTM A500/A500M standards, covering multiple strength grades including Grade A, B, and C, to meet diverse requirements ranging from light-duty supports to heavy-duty load-bearing structures.

Manufactured from hot-rolled carbon steel through cold-forming and resistance welding, the pipe is subsequently hot-dip galvanized to form a dense zinc coating on the steel surface, delivering both high strength and exceptional corrosion resistance. The round cross-section design offers superior performance in bending, torsion, and fluid conveyance, making it a reliable solution for construction, infrastructure, and industrial manufacturing.

1. Dual Performance Assurance

The product simultaneously meets ASTM A500 structural pipe standards and galvanized anti-corrosion requirements. ASTM A500 ensures excellent performance in strength, ductility, and dimensional accuracy, with minimum yield strength of 290 MPa for Grade B and 315 MPa for Grade C. The hot-dip galvanized coating provides long-lasting corrosion protection, significantly extending service life, particularly suitable for outdoor and corrosive environments.

2. Mature Process, Stable Quality

The ERW process ensures uniform and robust weld seams, high straightness, and burr-free, sharp-edge-free ends after end-facing treatment, facilitating on-site handling and installation connections.

3. Flexible Specifications, Strong Adaptability

A wide range of outer diameters, wall thicknesses, and lengths are available upon request. End finishing options include threading, grooving, and beveling to meet specific engineering requirements.

◆  Building & Construction
Building frames, columns, beams, support structures, trusses, purlins, and other load-bearing and connecting components. The round pipe section offers excellent mechanical properties suitable for both light-gauge and heavy steel building systems.

◆  Piping Systems
Low-pressure fluid conveyance pipelines for water, gas, steam, petroleum, and chemical media. The hot-dip galvanized layer effectively prevents internal and external corrosion, ensuring medium purity and prolonging pipeline service life.

◆  Infrastructure & Industry
Bridge guardrails, road crash barriers, light poles, signal tower brackets, industrial equipment frames, conveyor line support systems, and more.

◆  Outdoor Structures
Parking canopies, bus shelters, fencing and railings, agricultural greenhouse structures, outdoor grandstands, and other facilities exposed to natural environments over extended periods.

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