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8/11/2019 Ruukki C Purlins.pdf
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C purlinOur pre-punched purlins are quick to install and suitable for both insulated and uninsulated roofs and walls.
The thickness and height of the purlin selected depend on span length and loads. To optimise the design, use our PurCalc
software.
Applications:
Industrial construction
Hall and warehouse construction
Extension construction and renovation
Agricultural projects
The information on our web site is accurate to the best of our knowledge and understanding. Although every effort has been made to ensureaccuracy, the company cannot accept any responsibility for any direct or indirect damages resulting from possible errors or incorrectapplication of the information of this publication. We reserve the right to make changes.
Copyright 2014 Rautaruukki Corporation. All rights reserved.
Document printed on 27.08.2014 www.ruukki.com
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Properties
Section type: C-sections
Height: 100, 120, 150, 200, 250, 300, 350 mm
Thickness: 1.03.0 mmMinimum length 1600 mm
Maximum length 18500 mm
Material: Hot galvanised steel sheet
Steel quality S350GD+Z275 according to EN 10346
Tolerances: Roll formed products EN 10162
Press-braked products EN 1090-2
Material EN 10143
Dimensioning: It is advisable to use PurCalc software when dimensioning
lightweight purlins. Dimensioning curves are also available.
Lightweight purlins C cross-section geometries
Type ofpurlin
Thickness Height Width ofwide flange
Width ofnarrow flange
Fold Weight Cross-sectionarea, gross
Cross-sectionarea, effective
tnommm
Hmm
Amm
Bmm
Cmm
gkg/m
Acm2
Aeffcm2
C100 1.0 100 45.0 39.0 18 1.63 2.03 1.16
1.2 45.4 39.4 18 1.96 2.45 1.65
1.5 46.0 40.0 18 2.45 3.08 2.39
2.0 47.0 41.0 18 3.27 4.13 3.61
C120 1.0 120 45.0 39.0 18 1.81 2.22 1.16
1.2 45.4 39.4 18 2.17 2.68 1.65
1.5 46.0 40.0 18 2.71 3.37 2.40
2.0 47.0 41.0 18 3.61 4.52 3.65
C150 1.0 150 45.0 39.0 18 2.04 2.52 1.15
1.2 45.4 39.4 18 2.45 3.04 1.65
1.5 46.0 40.0 18 3.06 3.82 2.41
2.0 47.0 41.0 18 4.08 5.13 3.70
C200 1.5 200 70.0 62.0 26 4.36 5.50 2.65
2.0 71.0 63.0 26 5.81 7.38 4.60
2.5 72.0 64.0 26 7.26 9.25 6.50
3.0 73.0 65.0 26 8.71 11.13 8.49
C250 1.5 250 70.0 62.0 26 4.92 6.23 2.63
2.0 71.0 63.0 26 6.56 8.36 4.57
2.5 72.0 64.0 26 8.20 10.48 6.49
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Type ofpurlin
Thickness Height Width ofwide flange
Width ofnarrow flange
Fold Weight Cross-sectionarea, gross
Cross-sectionarea, effective
tnommm
Hmm
Amm
Bmm
Cmm
gkg/m
Acm2
Aeffcm2
3.0 73.0 65.0 26 9.84 12.61 8.52
C300 1.5 300 89.0 81.0 26 5.95 7.52 2.54
2.0 90.0 82.0 26 7.93 10.08 4.48
2.5 91.0 83.0 26 9.91 12.65 6.75
3.0 92.0 84.0 26 11.89 15.21 9.12
C350 2.0 350 90.0 82.0 30 8.87 11.20 4.63
2.5 91.0 83.0 30 11.09 14.05 6.99
3.0 92.0 84.0 30 13.31 16.90 9.43
Services
Purlins can be pre-punched in our factory. This makes construction on-site faster and easier. The standardised sizes and
locations of holes for fixing screws are presented below. Please contact us for additional information about the pre-punching
possibilities.
Holes are made during production at continuous line information:
max. material thickness 3mm (for 60mm max. material thickness 2mm),
holes can be made in a row,
oval and rectangular holes can be rotated by 90.
Type of hole Diameter (mm) Rotation ()
7 -
10 -
12 -
14 -
16 -
18 -
20 -
22 -
26 -
60 -
1224 90
1424 90
1635 90
1831.7 90
1835 90
2035 90
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Type of hole Diameter (mm) Rotation ()
525 90
Design tools
Our PurCalc software is constantly improved and updated to easily design and optimise Ruukkis lightweight purlin
sections.
Choosing the right filters will help you to select the right product characteristics. The software enables the calculation of
various roof purlin systems, whether the purlins are restrained by trapezoidal sheeting or roof sandwich panels. Download
PurCalc
Order & delivery
Use Ruukki's optimisation software PurCalc to design the purlin structure.
Please provide the following information in the order:
Type of purlin
Thickness
Length
Number
In case of pre-punched purlins, please send us purlin drawings showing the location of the holes.
Note! Our standard raw material for purlins is S350GD+Z275.
Declaration of Performance
The content of this document has been created from web page last updated 23 Sep 2013
Our sales and technical support are happy to give you more information. Visit www.ruukki.com/contact-us.
C purlin
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