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Supplier Homepage > Products > Galvanized C/Z Roofing Purlins For Steel Construction
Galvanized C/Z Roofing Purlins For Steel Construction
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product: view count: 306Galvanized C/Z Roofing Purlins For Steel Construction 
unit price: Negotiable
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period for delivery: Consignment Deadline days
Expiry date: Long Effective
last update: 2017-09-18 21:35
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Founded in 2001, China Steel New Material is well-known as one of the top 10 steel structure brands in China. With the aid of advanced technology and equipment, our suppliers can offer you quality and stable galvanized c/z roofing purlins for steel construction at low price. Please be free to place an order, we will offer you the best service and timely delivery.
Basic Info

  • Model NO.: the width is about 80~300

  • Standard: GB, ASTM

  • Forming: Cold Drawn Steel

  • Member: Steel Beam

  • Carbon Structural Steel: Q235

  • Application: Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor

  • Material: Galvanized / Coated

  • Lead Time: 1 Week

  • Type: Light Section Steel

  • Trademark: Carbon Structural Steel, SXGG

  • Connection Form: Bolt Connection

  • Type of Steel For Building Structure: Cold Forming Sectional Steel

  • Residential Wall Structure: Wall Support

  • Brand Name: Sxgg

  • Lenght: <=11.8m

  • Origin: Xiamen, China

Product Description
C/Z Section Steel / Purlin
1. Thickness: 1.5mm to 3mm.
2. Grade: Q235, Q345.
3. Width: 80mm to 300mm.
4. Material: Galvanized / prepainted


   Product Name: C Purlin     
Model NO. Section size (mm) Hole distance (mm) 
H B1 B2 C T h Length (m)    
C80 80 40 40 15 2.0-3.0 Don't punch    <=11.8m
C100 100 50 50 20 2.0-3.0 40
C120 120 50 50 20 2.0-3.0  adjusted 
C140 140 50 50 20 2.0-3.0  adjusted 
C160 160 60 60 20 2.0-3.0  adjusted 
C180 180 60 60 20 2.0-3.0  adjusted 
C200 200 60 60 20 2.0-3.0  adjusted 
C220 220 70 60 20 2.0-3.0  adjusted 
C250 250 70 70 20 2.0-3.0  adjusted 
Steel Purlin typically refers to roof framing members that span parallel to the building eave, and support the roof decking or sheeting. The purlins are in turn supported by rafters or walls. Purlins are most commonly used in Metal Building Systems, where Z-shapes are utilized in a manner that allows flexural continuity between spans.<o:p>

It is the practice in the steel industry that structural shapes are assigned representative designations for convenient shorthand description on drawings and documentation: Channel sections, with or without flange stiffeners, are usually referenced as C shapes; Channel sections without flange stiffeners are also referenced as U shapes; Point symmetric sections that are shaped similar to the letter Z are referenced as Z shapes. Section designations can be regional and even specific to a manufacturer. In steel building construction, secondary members such as purlins (roof) and girts (wall) are frequently cold-formed steel C, Z or U sections, (or mill rolled) C sections.<o:p>

Cold formed members can be efficient on a weight basis relative to mill rolled sections for secondary member applications. Additionally, Z sections can be nested for transportation bundling and, on the building, lapped at the supports to develop a structurally efficient continuous beam across multiple supports.

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