Cee & Zee Purlins

Galvanized Purlins and Girts are lightweight structural steel members, designed according to AS/NZS 4600: 1996 cold formed steel structures utilizing high strength zinc-coated steel.


  • Steelfab® Cee sections may be used in single spans, and unlapped continuous spans in multi-bay building and are ideal as eave purlins or where compact sections are required for detailing.

  • Steelfab® Zed sections may be used over single spans, unlapped and lapped continuous spans in multi-bay buildings. Lapped continuous spans result in considerable capacity increase in the system.

Material Specification

  • Steel Grade : As per IS 10748 Grade 2 or IS 1079.
  • Yield Strength : Fy 250 N/mm² and Fy 345 N/mm²
  • Base Steel Thickness : 1.50 mm to 3.20 mm
  • Surface Finish : Mill Finish * Red Oxide Primer * Pre-Galvanised ®
  • Available Length : Steelfab ‘Z’ Purlin, C Purlin & Side Girts are available in any custom transportable length upto 12 Meters and beyond.

Steelfab 'Z' Purlin Sizes / 'C' Purlin Sizes

  • Depth 150 mm X flange 70 mm X Lip 20 mm
  • Depth 180 mm X flange 70 mm X Lip 20 mm
  • Depth 200 mm X flange 70 mm X Lip 20 mm
  • Depth 230 mm X flange 70 mm X Lip 20 mm
  • Depth 250 mm X flange 70 mm X Lip 20 mm
  • Depth 280 mm X flange 70 mm X Lip 20 mm
  • Depth 300 mm X flange 70 mm X Lip 20 mm

Confirming Codes

  • Steelfab® Purlin and Side Girts confirms to IS : 801 and IS : 811
  • Load estimated as per IS : 875

Sag Angle Connection




Purlin Connection



Hole Details



Recommendation for No. of Sag Rods

Purlin SpanNo. of Sag Rods Per Bay
Below 4 M Nil
Above 4 M to upto 6 M One
Above 6 M to upto 8.5 M Two
Above 8.5 M to upto 10 M Three

Appilcations of 'Z'Purlin

Steelfab 'Z' Purlins are designed for use as secondary member in
A. Roof Purlins
B. Side Girts


                                                                                                                                                'Z' Purlin


Sr No


SECTION

(Availabe Sizes)


DEPTH(MM) H


THK
(MM)


TOP FLANGE (MM)

BOTM FLANGE (MM)


TOP
LIP(MM)


BOTTM
LIP(MM)


KG/M


AREA(CM2)


Ixx
(CM4)


Iyy
(CM4)


Zx (CM3)


Zy (CM3)


rx
(MM)


ry (MM)


rimn (MM)

1

SF-Z-15015

150

1.5

70

70

20

20

3.74

4.84

179.43

66.71

23.93

8.00

60.86

37.11

21.74

2

SF-Z-15018

150

1.8

70

70

20

20

4.46

5.79

213.27

79.27

28.44

9.52

60.71

37.01

21.65

3

SF-Z-15020

150

2.0

70

70

20

20

4.93

6.41

235.6

87.50

31.39

10.52

60.60

36.94

21.59

4

SF-Z-18015

180

1.5

70

70

20

20

4.10

5.29

272.52

66.71

30.28

8.00

71.75

35.50

22.16

5

SF-Z-18018

180

1.8

70

70

20

20

4.88

6.33

324.22

79.27

36.02

9.52

71.58

35.40

22.07

6

SF-Z-18020

180

2.0

70

70

20

20

5.40

7.01

358.17

87.50

39.80

10.52

71.47

35.33

22.01

7

SF-Z-18023

180

2.3

70

70

20

20

6.17

8.03

408.33

99.64

45.37

12.01

71.31

35.22

21.91

8

SF-Z-18025

180

2.5

70

70

20

20

6.67

8.71

441.26

107.59

49.03

12.98

71.20

35.16

21.85

9

SF-Z-20015

200

1.5

70

70

20

20

4.33

5.59

347.69

66.71

34.77

8.00

78.84

34.53

22.24

10

SF-Z-20018

200

1.8

70

70

20

20

5.17

6.69

413.85

79.27

41.39

9.52

78.67

34.43

22.15

11

SF-Z-20020

200

2.0

70

70

20

20

5.71

7.41

457.34

87.50

45.73

10.52

78.55

34.36

22.09

12

SF-Z-20023

200

2.3

70

70

20

20

6.53

8.49

521.65

99.64

52.17

12.01

78.38

34.26

22.00

13

SF-Z-20025

200

2.5

70

70

20

20

7.07

9.21

563.91

107.59

56.39

12.98

78.27

34.19

21.94

14

SF-Z-23020

230

2.0

70

70

20

20

6.19

8.01

634.14

87.50

55.14

10.53

88.97

33.05

22.05

15

SF-Z-23023

230

2.3

70

70

20

20

7.07

9.18

723.76

99.64

62.94

12.01

88.79

32.95

21.97

16

SF-Z-23025

230

2.5

70

70

20

20

7.65

9.96

782.72

107.60

68.06

12.98

88.67

32.88

21.91

17

SF-Z-23028

230

2.8

70

70

20

20

8.52

11.11

869.99

119.32

75.65

14.42

88.49

32.77

21.82

18

SF-Z-25020

250

2.0

70

70

20

20

6.50

8.41

771.86

87.51

61.75

10.53

95.79

32.25

21.96

19

SF-Z-25023

250

2.3

70

70

20

20

7.43

9.64

881.26

99.65

70.50

12.01

95.61

32.15

21.88

20

SF-Z-25025

250

2.5

70

70

20

20

8.05

10.46

953.27

107.60

76.26

12.98

95.49

32.08

21.82

21

SF-Z-25028

250

2.8

70

70

20

20

8.96

11.67

1059.93

119.33

84.79

14.42

95.30

31.98

21.73

22

SF-Z-28020

280

2.0

70

70

20

20

6.97

9.01

1010.25

87.51

72.16

10.53

105.88

31.16

21.77

23

SF-Z-28023

280

2.3

70

70

20

20

7.97

10.33

1153.94

99.65

85.43

12.01

105.69

31.06

21.69

24

SF-Z-28025

280

2.5

70

70

20

20

8.64

11.21

1248.62

107.60

89.19

12.98

105.56

30.99

21.63

25

SF-Z-28028

280

2.8

70

70

20

20

9.62

12.51

1388.95

119.33

99.21

14.42

105.37

30.89

21.55

26

SF-Z-28030

280

3.0

70

70

20

20

10.27

13.38

1481.39

127.02

105.81

15.37

105.24

30.82

21.49

27

SF-Z-30020

300

2.0

70

70

20

20

7.28

9.41

1191.53

87.51

79.44

10.53

112.52

30.49

21.62

28

SF-Z-30023

300

2.3

70

70

20

20

8.33

10.79

1361.37

99.65

90.76

12.01

112.32

30.39

21.54

29

SF-Z-30025

300

2.5

70

70

20

20

9.03

11.71

1473.32

107.61

98.22

12.98

112.19

30.32

21.48

30

SF-Z-30028

300

2.8

70

70

20

20

10.06

13.07

1639.34

119.34

109.29

14.42

111.99

30.22

21.40

31

SF-Z-30030

300

3.0

70

70

20

20

10.74

13.98

1748.76

127.02

116.58

15.37

111.86

30.15

21.34

 

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