Z-180 Purlin

Z-180 Purlin is a high-strength, cold-formed steel profile widely used in modern construction for its efficiency and structural reliability. Characterized by its Z-shaped cross-section with a 180 mm height, it is ideal for use as roof and wall purlins in steel buildings, sheds, warehouses, and industrial facilities. Z-180 purlins are engineered to support roofing sheets and cladding panels by spanning between main structural frames, effectively distributing loads such as wind, snow, and dead weight. Their lightweight design, ease of installation, and compatibility with bolt and screw connections make them a practical choice for both large-scale commercial buildings and lightweight industrial structures.

Z-180 Purlin

Types of Z-180 Purlin

  • Plain Z18 Profile
    This type is manufactured without any perforations or cutouts and is produced as a continuous solid section. It is primarily used in constructing steel frameworks, industrial structures, and buildings.

  • Perforated Z18 Profile
    The punched version includes regularly spaced holes designed for bolted or screwed connections with other structural elements. It is commonly used in bridge construction, tall structures, and complex assemblies.

Thanks to its excellent mechanical properties and durability, the Z180 purlin is a popular choice in both construction and industrial projects.

Technical Specifications of Z-180 Purlin

  • Overall Height: 180 mm

  • Flange Width: 70 mm

  • Web Thickness: 2.5–3 mm

  • Flange Thickness: 2.5–3 mm

  • Cross-Sectional Area: 879 mm²

  • Unit Weight: 6.9 kg/m

Applications of Z-180 Purlin

  • Sloped roofs

  • Roof cladding systems

  • Sidewalls and façade structures

  • Light industrial structures

Z-180 is among the most widely used cold-formed steel profiles in the construction industry. It is extensively applied in sloped roof systems and roofing covers where both strength and lightweight characteristics are required. Additionally, it serves as a purlin in the sidewalls of steel warehouses and industrial buildings.

Due to its corrosion resistance, especially in galvanized or zinc-flake coated formats, this profile is ideal for exterior structures and humid environments. Furthermore, it is frequently used in light industrial buildings, warehouses, and sports facilities.

Other advantages include ease of installation, lightweight nature, and cost-effectiveness, which contribute to its popularity. Z-180 purlins are also employed in the construction of secondary framing systems and support structures for sandwich panel installations.

Z-180 Purlin Price Factors

Multiple factors affect the pricing of Z18 profiles, which can be categorized into internal and external variables:

Internal Factors

  • Quality and type of raw materials used

  • Thickness of the steel sheet

  • Quality of galvanization or zinc-flake coating

  • Dimensional accuracy and adherence to production standards

These directly influence the manufacturing process and the final product’s durability. For example, using high-grade galvanized sheets may raise production costs but result in a more durable and reliable product.

External Factors

  • Fluctuations in global steel prices

  • Exchange rate volatility

  • Transportation and logistics costs

  • Market supply and demand

  • National economic conditions and construction sector trends

Bulk purchase volume and payment terms also significantly impact pricing. Large-quantity purchases often come with special discounts.

Additionally, the service quality and reputation of the manufacturer play a crucial role in determining product pricing and customer confidence. Established producers with proven track records and internationally recognized certifications may offer their products at slightly higher prices, but they ensure superior quality, dimensional accuracy, and long-term performance. Shahin Felez Sepahan, as a trusted and experienced manufacturer in the Iranian steel industry, is known for producing high-quality Z-180 Purlins that meet global standards. With advanced cold-forming technology, strict quality control processes, and responsive customer service, Shahin Felez Sepahan offers reliable supply solutions for construction companies, project developers, and steel structure fabricators across domestic and international markets.