ZAM Square Tube

We manufacture ZAM Square Tube to meet international standards for photovoltaic and construction applications where strength and corrosion resistance are essential. Produced with high-quality ZAM (zinc-aluminum-magnesium) coated steel and advanced cold-forming technology, our products deliver stable structural performance even in extreme outdoor environments.

With more than 30 production lines, 50+ CNC machines, and 60+ accessory processing units, we maintain strong production capacity and consistent precision. As a long-term strategic purchaser of Xintian Steel, we strictly control raw material quality from the source, ensuring every batch of ZAM Square Tube meets stable mechanical and coating performance requirements.

Our in-house R&D team supports customized design and non-standard specifications, including special mold development for different installation systems across global markets. We also provide full-process service support—from design consultation and production tracking to logistics coordination and technical after-sales guidance—helping customers complete procurement efficiently and confidently.

Dimension

- Length: 1000mm ~ 6000mm

- Width: 20mm ~ 500mm

- Height: 20mm ~ 500mm

- Thickness: 2.0mm ~ 10.0mm

Material

- Q235B / Q355B (S235JR / S355JR) Carbon Steel

- S250GD + ZAM275g/m²

- S350GD + ZAM275g/m²

- S420GD + ZAM275g/m²

Surface Treatment

- Hot-Dip Galvanized (45—120μm)

- ZAM Coating (Zinc-Aluminum-Magnesium)

Application

The ZAM Square Tube is widely applied in:

- Ground-mounted PV racking systems

- Solar carport structures

- Steel structural frames

- Building beams, purlins, and columns

Function

It provides reliable structural support, load distribution, and long-term stability for solar and construction systems, especially in outdoor and high-corrosion environments.

Product Working Principle

In real-world solar projects, our ZAM Square Tube performs as a key structural support component that ensures system stability under long-term outdoor exposure.

In a 50MW solar power plant in South Africa, the product was selected due to its superior corrosion resistance in hot and humid conditions. After three years of operation, the structure remained free from rust and deformation, maintaining stable system alignment and performance.

In Germany, we supplied customized ZAM Square Tube for a residential solar installation with limited space conditions. The precise dimensional control and easy assembly design helped the installer reduce installation time while ensuring strong structural integrity, receiving positive feedback from the project team.

Product vs Competitors

As a supplier of ZAM Square Tube, we focus not only on product quality but also on full-cycle project support.

Before production, we communicate closely with customers to understand project requirements and recommend suitable specifications. During manufacturing, we provide regular progress updates and strict quality inspections to ensure consistency. After shipment, our technical team offers installation guidance and responds to customer inquiries within 24 hours.

We also provide flexible logistics planning and batch delivery solutions to match project schedules. With stable supply capacity, strict raw material control, and international project experience, we help global customers reduce procurement risk and improve project efficiency.