SENGDEK High Tensile C-Purlin
SENGDEK High Tensile C-Purlin is manufactured from quality galvanized steel. High tensile steel increases performance, efficiency and durability but light weight at the same time. SENGDEK High Tensile C-Purlin is produced by using Realzinc™ galvanized steel, which has > 97% zinc coating and is the most economical galvanized steel among coated steel products, and yet has good corrosion protection.
Material Specification
Material
Hot Dip Galvanised Steel
Steel Grade
JIS G3302/AS 1397
Tensile
High Tensile
Min Yield Strength (MPa)
450
Min Tensile Strength
480
Zinc Coating
120g/m2 to 275g/m2
Available Thickness (mm)
1.60, 2.00, 2.50
Tolerances
Length
±5mm
Web (Dim. H)
±3mm
Flange (Dim. B)
±3mm
Hole centres
±2mm
Thickness
±0.18mm

Specification Drawings :

Technical Specification
Height
3″
4″
5″
6″
7″
8″
10″
12″
Code
SC07516
SC10016
SC12516
SC15016
SC17516
SC20016
SC25016
SC30016
SC07520
SC10020
SC12520
SC15020
SC17520
SC20020
SC25020
SC30020
SC07525
SC10025
SC12525
SC15025
SC17525
SC20025
SC25025
SC30025
A (Depth)
75
100
125
150
175
200
250
300
B
45
50
50
65
75
75
85
100
D
10
12
16
16
16
18
18
18
Technical Specification
Size
3″ X 1 6/8″
4″ X 2″
5″ X 2″
6″ X 2.5″
7″ X 3″
8″ X 3″
10″ X 3.5″
12″ X 4″
75MM
100MM
125MM
150MM
175MM
200MM
250MM
300MM
Thickness
1.60 (mm)
2.24 kg/m
2.82 kg/m
3.14 kg/m
3.85 kg/m
4.47 kg/m
4.71 kg/m
6.51 kg/m
7.53 kg/m
2.00 (mm)
2.79 kg/m
3.47 kg/m
3.87 kg/m
4.75 kg/m
5.54 kg/m
5.90 kg/m
6.91 kg/m
8.17 kg/m
2.50 (mm)
3.55 kg/m
4.40 kg/m
4.87 kg/m
5.87 kg/m
6.89 kg/m
7.28 kg/m
8.62 kg/m
10.21 kg/m

Specification Drawings : Pre-punched Hole Arrangement and Options

Pre-punched Hole Arrangement and Options
Height
H (mm)
100
125
150
175
200
250
300
Ø14 (mm)
d (mm)
50
50
50, 80
50, 80
50, 80
50, 80
50, 80
d/2(mm)
25
25
25, 40
25, 40
25, 40
25, 40
25, 40
Ø16 (mm)
d (mm)
50
50, 70
50, 70, 100
50, 70, 100
50, 70, 100
50, 70, 100
50, 70, 100
d/2(mm)
25
25, 35
25, 35, 50
25, 35, 50
25, 35, 50
25, 35, 50
25, 35, 50
Ø14 X 22 (mm)
d (mm)
50
50, 55, 60
50, 55, 60
50, 55, 60
50, 55, 60
50, 55, 60
50, 55, 60
d/2(mm)
25
25, 27.5
25, 27.5, 50
25, 27.5, 50
25, 27.5, 50
25, 27.5, 50
25, 27.5, 50
Ø18 X 22 (mm)
d (mm)
50
50
50
50
50
50
50
d/2(mm)
25
25
25
25
25
25
25

Specification Drawings : 

Specifications and Section Properties
Code
WED H (mm)
Flange B (mm)
Thickness T (mm)
Lip Size L (mm)
Area (mm2)
Weight (kg/m)
SC07516
75
45
1.60
10
267
2.24
SC07520
75
45
2.00
10
331
2.79
SC10016
100
50
1.60
12
355
2.82
SC10020
100
50
2.00
12
441
3.47
SC10025
100
50
2.50
12
548
4.40
SC12516
125
50
1.60
12
394
3.14
SC12520
125
50
2.00
12
491
3.87
SC12525
125
50
2.50
12
610
4.87
SC15016
150
65
1.60
16
483
3.85
SC15020
150
65
2.00
16
601
4.75
SC15025
150
65
2.50
16
748
5.87
SC17516
175
75
1.60
16
555
4.47
SC17520
175
75
2.00
16
691
5.54
SC17525
175
75
2.50
16
860
6.89
SC20016
200
75
1.60
18
595
4.71
SC20020
200
75
2.00
18
741
5.90
SC20025
200
75
2.59
18
923
7.28
SC25016
250
85
1.60
18
675
6.51
SC25020
250
85
2.00
18
841
6.91
SC25025
250
85
2.50
18
1048
8.62
SC30016
300
100
1.60
18
841
7.53
SC30020
300
100
2.00
18
1048
8.17
SC30025
300
100
2.50
18
1305
10.21
Specifications and Section Properties
Code
X (mm)
Y (mm)
IXX 106 (mm4)
IYY 106 (mm4)
ZXX 103 (mm3)
ZYY 103 (mm3)
RXX (mm)
RYY (mm)
SC07516
13.2
37.5
0.231
0.050
6.160
2.294
29.935
13.636
SC07520
13.2
37.5
0.283
0.060
7.547
2.752
29.244
13.482
SC10016
17.6
50.0
0.572
0.128
11.440
3.951
40.160
19.000
SC10020
17.6
50.0
0.706
0.156
14.120
4.815
40.003
18.824
SC10025
17.6
50.0
0.868
0.190
17.360
5.864
39.810
18.631
SC12516
15.9
62.5
0.960
0.138
15.360
4.047
49.314
18.693
SC12520
15.9
62.5
1.187
0.169
18.992
4.956
49.153
18.534
SC12525
15.9
62.5
1.462
0.205
23.392
6.012
48.951
18.337
SC15016
20.1
75.0
1.737
0.275
23.160
6.125
59.958
23.872
SC15020
20.1
75.0
2.149
0.338
28.635
7.528
59.794
23.712
SC15025
20.1
75.0
2.654
0.413
35.387
9.219
59.590
23.513
SC17516
22.4
87.5
2.720
0.408
31.086
7.776
70.018
27.164
SC17520
22.4
87.5
3.372
0.504
38.537
9.528
69.851
27.002
SC17525
22.4
87.5
4.171
0.618
47.669
11.749
69.643
26.801
SC20016
20.9
100.0
3.702
0.427
37.020
7.893
78.885
26.785
SC20020
21.0
100.0
4.592
0.525
45.920
9.722
78.714
26.622
SC20025
21.0
100.0
5.685
0.644
56.850
11.926
78.500
26.419
SC25016
18.5
125.0
6.236
0.455
49.888
8.053
96.120
25.975
SC25020
18.6
125.0
7.742
0.560
61.936
9.929
95.939
25.811
SC25025
18.6
125.0
9.596
0.687
76.768
11.181
95.713
25.607
SC30016
24.9
150.0
11.526
0.998
76.840
13.289
117.074
34.445
SC30020
24.9
150.0
14.314
1.230
95.427
16.378
116.869
34.261
SC30025
24.9
150.0
17.746
1.511
118.307
20.147
116.613
34.032

The purlin load table is derived in accordance to BS5950 : Part5 : 1987 ” Code of practice for Design of Cold Formed Section ” with maximum roof pitch 30° and roofing sheet distributed load 6.55 kg/m2

Specifications and Section Properties
Size
C-Purlin Spacing (m)
0.9
1.2
1.5
1.8
2.1
2.4
75 x 45 x 1.6
4.0
3.7
3.4
3.2
3.1
2.9
75 x 45 x 2.0
4.3
3.9
3.7
3.5
3.3
3.1
100 x 50 x 1.6
5.4
5.0
4.6
4.4
4.2
4.0
100 x 50 x 2.0
5.8
5.3
4.9
4.7
4.4
4.3
100 x 50 x 2.5
6.1
5.6
5.3
5.0
4.7
4.5
125 x 50 x 1.6
6.4
5.9
5.5
5.2
4.9
4.7
125 x 50 x 2.0
6.8
6.3
5.9
5.5
5.3
5.1
125 x 50 x 2.5
7.3
6.7
6.2
5.9
5.6
5.4
150 x 65 x 1.6
7.8
7.1
6.7
6.3
6.0
5.7
150 x 65 x 2.0
8.3
7.6
7.1
6.7
6.4
6.1
150 x 65 x 2.5
8.6
8.1
7.6
7.2
6.8
6.6
175 x 75 x 1.6
9.0
8.2
7.7
7.3
6.9
6.6
175 x 75 x 2.0
9.5
8.8
8.3
7.8
7.4
7.1
175 x 75 x 2.5
10.1
9.3
8.7
8.3
7.9
7.6
200 x 75 x 1.6
9.9
9.1
8.5
8.0
7.7
7.4
200 x 75 x 2.0
10.5
9.7
9.1
8.6
8.2
7.9
200 x 75 x 2.5
11.2
10.3
9.7
9.2
8.8
8.4
250 x 85 x 1.6
11.7
10.8
10.1
9.5
9.1
8.7
250 x 85 x 2.0
12.4
11.5
10.7
10.2
9.7
9.3
250 x 85 x 2.5
13.1
12.2
11.4
10.8
10.4
10.0
300 x 100 x 1.6
14.2
13.1
12.3
11.6
11.1
10.7
300 x 100 x 2.0
15.0
13.9
13.1
12.4
11.9
11.4
300 x 100 x 2.5
15.9
14.8
13.9
13.2
12.6
12.1

Specification Drawings : C-Purlin Simply Supported Connection Details

Disclaimer: The information on the materials presented herein is provided for informational purposes only.

Sj Classic Industries Sdn. Bhd. Shall not liable for any loss or damage whichsoever arising from, but not limited to the usage of information provided. Any omission, errors, typographic errors and technical inaccuracies relating to the information may be changed or updated without notice.