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The `RANDEK’ steel purlin is manufactured to provide lightweight and economical roof and wall cladding supports for framed structures in Hi - tensile Galvanized (GI) and Black Iron (BI) for structural applications.

`RANDEK’ purlin are available in lengths upto 16 meters. Customized lengths are available on request.

purlin img

H-tensile Galvanized Steel Purlin - Product Specifications:

Minimum yield strength: 450 MPa
Average zinc coating mass: 275 gms / m2
Material thickness range (mm): 1.5, 1.6, 1.8, 1.9, 2.0, 2.3, 3.0
770-1
'C' Purlin

770-1
'Z' Purlin

RANDEK Purlin range

RANDEK “C” and lipped purlin

‘C’ sections are normally used for simple span construction with the purlin butted at internal supports


RANDEK “Z” purlin

The `Z’ sections comprising one broad and one narrow flange are designed to fit neatly and are lapped at an internal support.

Hole Punching

RANDEK purlin can be supplied in either pre-punched or un-punched form as per the requirements of the customer. Pre-punching is available with either 18 mm x 22 mm elongated holes or 18 mm round holes intended for use with M16 bolts.

RANDEK’ Hi-Tensile ‘C’ purlin - ‘C’ section dimensions

No A(mm) B(mm) C (mm) Thickness (mm)
1 50 25 10 1.50
2 80 40 15 1.50 - 3.00
3 100 40 15 1.50 - 3.00
  100 50 15 1.50 - 3.00
  100 60 20 1.50 - 3.00
4 120 50 20 1.50 - 3.00
  120 60 20 1.50 - 3.00
5 140 50 20 1.50 - 3.00
  120 60 20 1.50 - 3.00
6 150 65 20 1.50 - 3.00
7 160 60 20 1.50 - 3.00
  160 70 20 1.50 - 3.00
8 180 60 20 1.50 - 3.00
  180 70 20 1.50 - 3.00
9 200 60 20 1.50 - 3.00
  200 75 20 1.50 - 3.00
10 220 70 20 1.50 - 3.00
  220 80 20 1.50 - 3.00
11 240 70 20 1.50 - 3.00
  240 80 20 1.50 - 3.00
12 250 80 20 1.50 - 3.00
13 300 100 20 1.50 - 3.00

RANDEK’ Hi-Tensile ‘Z’ purlin - ‘Z’ section dimensions

No A(mm) B(mm) C (mm) D (mm) Thickness (mm)
1 140 64 60 20 1.50 - 3.00
2 160 74 70 20 1.50 - 3.00
3 180 74 70 20 1.50 - 3.00
4 200 74 70 20 1.50 - 3.00
5 220 84 80 20 1.50 - 3.00
6 240 84 80 20 1.50 - 3.00