other

C Z shape steel purlin beams

Roof Purlins must be kept dry during storage as water present between close stacked sections will cause premature corrosion.

  • Item NO.:

    Steel frame
  • Order(MOQ):

    20 tons
  • Payment:

    T/T; LC at sight
  • Product Origin:

    China
  • Color:

    Customized
  • Shipping Port:

    Xiamen/Qingdao/Shanghai,China
  • Lead Time:

    7-20 days
Available Colours
regular spangle
  • Product Detail

OEM for aluminum profile


Company profile


Xiamen taohong tech. Co.,ltd operates a quality management system approved to ISO 9001:2008 and dimensional tolerances to EN 755. This system allows quality management from an initial contract review through to product shipment. Laboratory facilities are also available to assist with quality assurance and any necessary metallurgical testing.

c purlins process


C Z section purlin 


Purlins are manufactured from hot dipped galvanized steel with a coating, in line with other common lightweight steel structural building products. This gives good protection in most exposed internal environments. Run off from, or contact with, materials which are incompatible with zinc should be avoided.



To protect the purlin, they also apply a layer of paint outside them. Zinc and paint in combination (synergistic effect) produce a corrosion protection approximately 2X the sum of the corrosion protection that each alone would provide.



Specification of purlin 


     C /Z section purlin specifications
Steel standard: 

ASTM, AISI, JIS, DIN, EN, GB, BS, 

Steel grade:  SGCC,SGCH,SGC340, SGC440,SGC490, SGC570, G550,DX51D,DX52D,DX53DQ195,Q235, Q345, etc.
Zinc content:
20-375g/㎡
Thickness:
1.0-3.0mm
Size: 
as per chart
Length:
as per request


c z purliins size


Purlins Dimensions and Weight: 

Section size     (mm)

 t       (mm)  

          D    

      (mm)

Z Sections

C Sections

Mass (kg/m)

E (mm)

F (mm)

L (mm)

B (mm)

L (mm)

100-10

1.0

102

53

49

12.5

51

12.5

1.78

100-12

1.2

102

53

49

12.5

51

12.5

2.01

100-15

1.5

102

53

49

13.5

51

13.5

2.62

100-19

1.9

102

53

49

14.5

51

14.5

3.29

150-12

1.2

152

65

61

15.5

64

14.5

2.89

150-15

1.5

152

65

61

16.5

64

15.5

3.59

150-19

1.9

152

65

61

17.5

64

16.5

4.51

150-24

2.4

152

66

60

19.5

64

18.5

5.70

200-12

1.2

203

79

74

15.0

76

15.0

3.59

200-15

1.5

203

79

74

15.0

76

15.5

4.49

200-19

1.9

203

79

74

18.5

76

19.0

5.74

200-24

2.4

203

79

73

21.5

76

21.0

7.24

250-15

1.5

254

79

74

18.0

76

18.0

5.15

250-19

1.9

254

79

74

18.0

76

18.5

6.50

250-24

2.4

254

79

73

21.0

76

20.5

8.16

300-19

1.9

300

100

93

27.0

96

26.5

7.99

300-24

2.4

300

100

93

27.0

96

27.5

10.09

300-30

3.0

300

100

93

31.0

96

31.5

12.76

350-24

2.4

350

129

121

30.0

125

29.0

12.18

350-30

3.0

350

129

121

30.0

125

30.0

15.23

400-24

2.4

400

129

121

30.0

125

28.0

13.16

400-30

3.0

400

129

121

30.0

125

30.0

16.39


C Sections - Full Section Properties

Section    size (mm)

Area (mm2)  

Second      moment of area  (x106mm4)           

Second modulus

(x 103 mm3)

Radius of gyration 

  (mm)

Torsion constant  

 (mm4)

Warping  constant (x 106mm6)  

  Mono-     symmetry    constant     (mm)

Shear centre (mm)

Centre of gravity (mm)

 

 

lx

ly

Zx

Zy

rx

ry

J

lw

By

xo

 x

C10010

215

0.36

0.08

7.13

2.19

41.1

18.7

71.8

160

123.3

-39.9

16.1

C10012

258

0.43

0.09

8.48

2.59

41.0

18.6

123.6

188

122.8

-39.7

16.0

C10015

323

0.54

0.11

10.54

3.29

40.8

18.7

241.9

241

122.4

-40.1

16.1

C10019

409

0.67

0.14

13.20

4.21

40.6

18.7

491.6

311

121.8

-40.4

16.2

C15012

354

1.29

0.19

16.97

4.17

60.4

23.1

169.9

842

171.2

-46.5

18.3

C15015

443

1.61

0.24

21.14

5.29

60.3

23.1

331.9

1071

170.5

-46.9

18.4

C15019

561

2.02

0.30

26.60

6.75

60.0

23.1

674.5

1370

169.7

-47.1

18.5

C15024

712

2.54

0.39

33.47

8.79

59.8

23.3

1367.0

1807

168.5

-48.0

18.9

C20012

444

2.83

0.32

28.06

5.79

79.8

26.7

213.3

2459

223.6

-51.6

19.9

C20015

555

3.53

0.40

34.73

7.35

79.7

26.7

416.0

3063

223.2

-51.6

19.9

C20019

713

4.51

0.53

44.45

9.77

79.6

27.3

858.0

4240

221.0

-53.6

20.8

C20024

906

5.69

0.68

56.03

12.67

79.3

27.4

1740.0

5540

219.0

-54.4

21.1

C25015

639

6.05

0.45

47.89

7.93

97.3

26.4

479.1

5473

276.8

-48.6

18.2

C25019

808

7.62

0.56

59.98

9.86

97.1

26.4

971.7

6860

276.4

-48.5

18.1

C25024

1020

9.62

0.72

75.74

12.79

96.9

26.5

1970.0

8920

273.9

-49.3

18.4

C30019

1001

13.50

1.20

90.57

17.36

116.1

34.6

1205.0

21230

320.8

-65.9

25.0

C30024

1260

17.00

1.51

113.10

21.68

116.0

34.6

2430.0

26800

319.8

-66.0

25.0

C30030

1600

21.25

1.96

142.20

28.50

116.0

35.0

4790.0

35700

315.8

-67.9

25.8

C35024

1530

28.80

3.07

165.71

34.30

137.2

44.7

2938.0

72300

379.4

86.3

33.2

C35030

1910

35.80

3.82

204.60

42.28

137.0

44.7

5730.0

90000

378.4

-86.3

33.2

C40024

1645

39.21

3.15

197.3

34.20

154.4

43.8

3159.0

95530

433.8

-81.0

30.5

C40030

2060

48.94

3.96

246.5

43.47

154.1

43.9

6179.0

121000

431.6

-81.7

30.8


 Z Sections - Full Section Properties

   Section

 Area (mm2)    

Second        moment 

of area         

(x106mm4)  

Second      modulus

(x103mm3)

Radius of gyration (mm)

Mono- symmetry constant (mm)

Torsion constant (mm4)

Warping constant (x 106mm6)

 Shear centre (mm)

Centre of gravity (mm)

    ¥

(deg.)  

lx

ly

Zx

Zy

rx

ry

Bx

By

J

lw

xo

yo

 x

 y

Z10010

215

0.36

0.13

7.00

2.56

41

24.6

9.9

11.8

71.9

215

-1.94

-4.73

1.11

-0.94

27.6

Z10012

258

0.43

0.16

8.32

3.02

41

24.5

9.9

11.8

123.8

252

-1.94

-4.75

1.11

-0.94

27.5

Z10015

323

0.54

0.20

10.34

3.84

41

24.7

9.9

11.8

241.9

321

-1.95

-4.75

1.11

-0.94

27.8

Z10019

409

0.67

0.25

12.96

4.92

41

24.7

9.9

11.7

491.6

409

-1.96

-4.77

1.12

-0.94

28.1

Z15012

354

1.28

0.30

16.68

4.78

60

29.3

12.4

12.7

169.9

1156

-1.88

-5.89

1.01

-1.03

21.8

Z15015

443

1.60

0.38

20.78

6.06

60

29.4

12.4

12.6

331.9

1462

-1.89

-5.90

1.01

-1.02

22.0

Z15019

561

2.01

0.49

26.13

7.73

60

29.5

12.5

12.6

674.5

1859

-1.90

-5.92

1.02

-1.02

22.1

Z15024

712

2.53

0.63

32.65

10.00

60

29.8

18.7

18.6

1367

2407

-2.88

-8.87

1.54

-1.52

22.5

Z20012

446

2.84

0.50

27.79

6.58

80

33.6

17.5

17.0

213.9

3476

-1.65

-9.90

1.18

-1.36

18.6

Z20015

555

3.53

0.62

34.30

8.05

80

33.4

17.6

17.1

416.3

4261

-2.26

-8.30

1.17

-1.36

18.5

Z20019

713

4.52

0.84

43.90

10.97

80

34.4

17.4

16.8

857.4

5830

-2.30

-8.24

1.19

-1.34

19.1

Z20024

906

5.67

1.10

55.29

14.37

80

34.8

21.0

19.8

1740

7626

-2.79

-9.94

1.45

-1.60

19.4

Z25015

640

6.07

0.67

47.51

8.77

97

32.4

22.3

19.8

480.3

7666

-1.53

-12.23

1.05

1.48

14.1

Z25019

808

7.62

0.83

59.33

10.81

97

32.1

25.9

23.5

971.7

9478

-2.69

-12.16

1.34

-1.87

14.7

Z25024

1026

9.64

1.09

74.89

14.17

97

32.5

27.0

23.5

1971

12370

-2.62

-12.79

1.27

-1.77

14.3

Z30019

1005

13.57

1.87

89.83

19.38

116

43.2

28.6

25.4

1209.0

29630

-2.29

-15.86

1.56

-1.97

16.1

Z30024

1264

16.99

2.32

111.79

23.85

116

42.8

20.9

17.2

2427

36570

-1.99

-10.19

0.94

-1.00

16.2

Z30030

1595

21.35

3.04

140.50

31.36

116

43.6

21.3

16.9

4786

48200

-2.02

-10.42

0.94

-0.94

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