Compared to conventional C-shaped steel, the flange of Shixinda's Hot dip Galvanized Z Channel is equipped with a connecting inclined edge. It can be seamlessly overlapped in high and low-span roofs, forming a continuous load-bearing whole for the entire roof truss, effectively distributing various roof loads.
The entire production process is mechanized and standardized, with strict dimension tolerances in line with both European and domestic standards. The thickness of the galvanizing layer is uniform without any issues of incomplete coating or peeling. It is not prone to rust or aging when used in long-term outdoor and open-air conditions. It is widely used in light steel factory buildings, photovoltaic energy storage sheds, and large-scale warehouse building enclosure systems, and is the preferred load-bearing material for large slope roof projects.
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Parameter Category |
Specification Details / Value |
Remarks & Standards |
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Section Model Series |
100Z, 120Z, 140Z, 160Z, 180Z, 200Z, 220Z, 250Z, 300Z |
Standard mainstream models, non-standard sizes customizable on demand |
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Section Marking Rule |
Z160×60×20×2.5Explanation: 160 = Overall section height H; 60 = Flange width; 20 = Edge curl width; 2.5 = Base steel thickness |
Uniform marking specification for engineering drawing reference |
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Base Material |
Standard: Q235B carbon structural steelFor heavy load & frigid regions: Q355B low alloy high strength steel |
Comply with GB/T 700, GB/T 1591 |
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Regular Thickness Range |
1.5mm, 1.8mm, 2.0mm, 2.2mm, 2.5mm, 3.0mm3.5–4.0mm thickened plate for heavy-load roof |
Thickness tolerance meets national standard |
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Hot-dip Galvanizing Parameter |
Hot-dip galvanized finishStandard zinc coating weight ≥275g/㎡Coastal anti-corrosion enhanced version ≥300g/㎡Zinc layer thickness: 60–120μm |
Electro-galvanizing excluded; zinc coating features self-repair anti-corrosion performance |
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Fixed Length Range |
3–12 meters; extra-long sizes available via segmented lap joint |
Custom cut lengths to minimize on-site material waste |
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Standard Pre-fabrication |
Integrated punching for purlin holes, tie rod holes and end lap holes |
Punching position & hole diameter customizable as drawings |
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Supporting Accessories |
Matching hot-dip galvanized tie rods, sleeves, knee braces, self-drilling screws |
Same anti-rust coating for perfect compatibility |
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Applicable National Standards |
GB/T 6728 Cold-formed steel sectionsGB/T 13912 Metallic coatings — Hot-dip galvanized coatings on fabricated iron and steel articles |
Fully compliant with national standards, traceable quality inspection documents |
Our Hot dip Galvanized Z Channel is compatible with various slope photovoltaic roof panels. The stacked structure enhances the overall bending resistance, and can stably bear the loads of photovoltaic panels, snow, and strong wind.
As the secondary load-bearing framework of the roof, it fixes the color steel roof panels and evenly transmits wind and snow loads to the main steel structure beams.
Build the horizontal secondary beams of the warehouse wall, fix the wall color plates, and resist strong lateral wind impacts to ensure the stability of the wall structure.
The Z-shaped inclined wings can be connected in both long and short spans to solve the problem of weak force at the connection points of the high and low roofs of the factory and the tendency of deformation.
The hot-dip galvanized layer is resistant to ammonia gas and humid environment corrosion, replacing ordinary black materials, and significantly reducing the cost of later maintenance and renovation.
Pre-fabricated standard components, only bolt assembly on site, fast construction speed, and reusable after disassembly for secondary use.
Professional thickness gauge conducts random inspections on Hot dip Galvanized Z Channel, with zinc layer thickness meeting the outdoor long-term anti-corrosion standards.
Simulate full load pressure on the roof, verifying the bending limit of the continuous connection structure.
Continuous neutral salt spray test, simulating the harsh outdoor usage environment in coastal areas with high salt spray.
Automatic measurement of height, wing width, wall thickness, and connection slope angle, controlling processing errors.
Spectral analysis of each batch of steel strip base materials to ensure compliance with Q235B/Q355B materials.
Simulate on-site stacking conditions, testing the anti-tearing and anti-slip performance at the connection position.
Adapted for northern cold regions, not prone to cracking and deformation in low-temperature environments.
For roofs with a slope greater than 1:10, Z-shaped steel is preferred as it can be connected and continuously bear the load, resulting in better flatness.
It can be used stably for over 15 years in normal outdoor environments. In coastal areas, the galvanized layer can be thickened to extend the lifespan.
Regular 6/9/12 meters are available in stock. Special lengths, wall thicknesses, and heights can be customized as needed.
Material reports, galvanization test certificates, and a complete set of export documents are available to support overseas customs clearance.
The galvanized layer can be thickened to enhance the salt spray resistance, making it suitable for coastal chemical plants and docks.
The factory is equipped with cutting and punching equipment, and can be pre-processed according to the construction drawings.
There is no minimum order threshold for the stock specifications. Customized profiles for large quantities can enjoy factory discounts.
Address
S213 Jinghai District, Tianjin City, China
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