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Qingdao Jiahexin Steel Co., Ltd.

C Steel Purlin, Steel Building, Structural Steel Purlin manufacturer / supplier in China, offering Building Material Steel Fabrication Used Cold Formed for Supply Galvanized C Type Purlin, Type of Cantilever Second Hand Steel Structures for Sale, Light Steel Construction Buildings Prefabricated Steel Structure Warehouse and so on.

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Supplier Homepage Product C Beam Building Material Steel Fabrication Used Cold Formed for Supply Galvanized C Type Purlin

Building Material Steel Fabrication Used Cold Formed for Supply Galvanized C Type Purlin

FOB Price: US $350-550 / Ton
Min. Order: 25 Tons
Min. Order FOB Price
25 Tons US $350-550/ Ton
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Port: Qingdao, China
Production Capacity: 100000mt Per Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: new product -08
  • Standard: GB, ASTM, DIN
  • 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 Structure Bridge
  • Specification: 13*26*0.5mm - 400*200*10mm
  • HS Code: 73089000
  • Type: Cold Forming Sectional Steel
  • Trademark: Special Purpose Steel, Jiahexin
  • Connection Form: Welded Connection
  • Type of Steel For Building Structure: High-Strength Steel
  • Residential Wall Structure: Wall Stud
  • Transport Package: Bundled with Steel Strip or as Client′s Request
  • Origin: Qingdao, China
Product Description
Model NO.: Steel Purline
Steel Zinc Coating: Customized
Steel Thickness: 2.0-3.0mm
Steel Hardness: G350-G550
Hole Drilling: Available
Hole Position: Customized
Transport Package: Standard Sea Worthy Packing
Origin: China(Mainland)
Steel: Galvanized or Galvalume
Spangle: Zero, Regular or Big Spangle
Size: 80-300mm
Length: Customized
Hole Size: Customized
Trademark: JHX
Specification: Customized

Product Description

Light-gauge cold-formed steel roof purlins replace heavier hot-rolled steel angle and channel sections. 
A purlin is a secondary structural member that spans between the primary/main steel frame to support the roof cladding. The purlin transfers load from the roof cladding to the primary steel rafters. Similarly, a side rail is a secondary structural member that spans between the primary/main steel frame to support the wall cladding and transfer load from the wall cladding to the primary steel columns. Both purlins and side rails are used to provide restraint to the primary steel frame members. Light gauge cold-formed steel roof purlins are used on a wide range of building types including retail and leisure, industrial, warehouses and distribution, healthcare and education. 

Standard Size

Standard Size
C purlinH(mm)B(mm)B(mm)C(mm)T(mm)
Z purlinH(mm)B(mm)B(mm)C(mm)T(mm)

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Looking forward to hearing from you. 
Cold Roll Forming
Cold-formed steel roof purlins and side rails are manufactured from pre-galvanised steel strip, in the form of coils, which have been slit to the desired width from the parent or "wide coil" supplied from the mills. 
The purlin is formed gradually by feeding the strip continuously through successive pairs of rolls, which act as male and female dies. Each pair of rolls progressively forms the strip until the finished profile is produced. For example, five to eight "stages" or "passes" will be needed to form a lipped Z purlin, depending on the thickness of the material. More complicated profiles will require 15 or more passes. 
The strip is pre-pierced and cut to length in-line, prior to roll-forming. 
The principal advantage of cold roll-forming, compared with other methods of fabrication, is the high production capacity achieved. Sections produced by cold roll-forming are essentially uniform in cross section and can be manufactured to very close dimensional tolerances. 
In building uses, the most common and simplest of profiles are the lipped Z and C sections - both defined by a central vertical web joined to horizontal flanges at either end. Additional lips are included because unstiffened, wide, thin plates are unable to resist significant compression and the flanges become inefficient. 
Z sections are usually installed with the top flange pointing up the roof slope so that the load is applied through the shear centre and serious twisting of the sections does not occur. 
Cold-rolled steel purlins are manufactured from hot-dipped galvanised steel, generally with a yield strength of 450N/mm².
Contacts: Lily
mobile phone:86-18863907501
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