Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of z channel purlin hot rolled carbon steel structure in China. Welcome to wholesale customized z channel purlin hot rolled carbon steel structure at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
What Are
The Z-shaped purlins

The Z-shaped purlins have excellent anti-bending property and are easy to install. They are wildly used in purlin and wall beam of steel structure building, such as factory, warehouse, garage, exhibition center, cinema, theatre, garden and so on.
In order to prevent section steel collision, scraping, cracking, compression, flattening, deformation, rain and other aspects, standardized operations are established and strictly implemented to ensure that the quality of cargo storage and transportation process is effectively controlled.
Specification
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Specification: |
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Product Name |
Galvanized Z beam steel/Z beam purlin |
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Material |
Galvanized steel sheet |
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Technique |
Hot rolled/cold rolled |
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Surface Treatment |
Pre-galvanized, Hot Dip Galvanized(HDG) or Sprayed |
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Length |
Customized(For easy to transport) |
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Thickness |
1.8mm/ 2.5mm/ 2.8mm/ 3.0mm or Customized |
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Size |
Width: 80-300mm or Customized |
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Height: 40-100mm or Customized |
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Holes |
Customized |
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Application |
Construction structure |
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Price Item |
FOB,CI,EXW ,.etc |
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Packing |
Export standard packing or according to customers' requirement |
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drawing

Frequently Asked Questions (FAQ)
Q1: What is the difference between pre-galvanized and hot-dip galvanized (HDG) Z beam purlins?
Pre-galvanized Z beam purlins are coated with zinc during the manufacturing of the base steel sheet, offering basic corrosion resistance for mild environments. Hot-dip galvanized (HDG) purlins are dipped in molten zinc after forming, creating a thicker, more durable zinc coating that provides superior protection against corrosion in harsh environments, including coastal, industrial, and humid conditions. For most long-term construction projects, HDG treatment is recommended for maximum longevity.
Q2: Can Z beam purlins be used for both roof and wall framing?
Absolutely. Galvanized Z beam purlins are versatile structural components that work equally well as roof purlins and wall girts. Their overlapping design and high load-bearing capacity make them ideal for supporting roof panels, while their corrosion resistance and dimensional stability ensure reliable performance as wall framing.
Q3: What customization options are available for Z beam purlins?
At GNEE STEEL, we offer full customization for every aspect of our galvanized Z beam steel products, including dimensions (width, height, thickness), length, hole placement, surface treatment, and even special coating options. Our engineering team can work with your project's structural drawings to design purlins that meet your exact load capacity and dimensional requirements.
Q4: What is the typical lead time for orders?
Lead times vary based on order volume and customization requirements. Standard-sized galvanized Z beam purlins can typically be produced and shipped within 15–20 days, while fully customized orders may require 25–30 days. We work closely with clients to align production schedules with project timelines, ensuring timely delivery without compromising quality.
Ready to source high-quality galvanized Z beam steel / Z beam purlins for your construction project? Whether you need standard profiles or fully customized solutions tailored to your specifications, GNEE STEEL has the expertise and manufacturing capabilities to deliver. Our team is ready to provide you with detailed product quotes, technical drawings, and compliance documentation to support your project's success. Contact us today to discuss your requirements and request a free sample, and let us help you build a stronger, more durable structure with our premium structural steel solutions.
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