Ống thép mạ kẽm SeAH

GALVANIZED PIPES – STANDARD BS 1387-1985

C

Mn

P

S

Độ dày lớp mạ / Zinc-coat thickness

Phương pháp mạ

max

max

max

max

µm

gr./m2

oz./ft2

Zinc-coat Method

%

%

%

%

> 35

>= 360

>= 1.18

Mạ nhúng nóng

0.2

1.2

0.045

0.045

Hot-dip Galvanizing

Trắc nghiệm độ bền kéo / Tensile test

Trắc nghiệm độ uốn / Bend test

Trắc nghiệm nén phẳng

Kiểm tra độ kín khít/ Leak tightness test

Flattening test

Độ bền kéo

Điểm chảy

Độ giãn dài tương đối

Phân loại

Goc uốn

Bán kính trong

Vị trí mối hàn

Mối hàn

Bề mặt ống

T.strength

Yield point

Elongation

Category

Angle of bending

Inside radius

Weld position

Weld point

Non-weld point

Kgf/mm2

Kgf/mm2

(N/mm2)

Min. 28

Min. 20

Min. 30

Ống mạ

90o

8 D

90o

0.75 D

0.60 D

51 Kgf/cm2

-285

-196

Galva. pipe

Nominal

 Dimension

DN

Outside Diameter

Wall

Calculated

Dmax

Dmin

Thickness

Plain End

Threads & Couplings

mm.

mm.

mm.

(kg/m.)

(kg/m.)

 1/2

15

21.4

21

1.9

0.904

0.922

 3/4

20

26.9

26.4

2.1

1.275

1.296

1

25

33.8

33.2

2.3

1.770

1.803

1 1/4

32

42.5

41.9

2.3

2.263

2.301

1 1/2

40

48.4

47.8

2.5

2.811

2.855

2

50

60.2

59.6

2.6

3.674

3.726

2 1/2

65

76

75.2

2.9

5.199

5.275

3

80

88.7

87.9

2.9

6.107

6.191

4

100

113.9

113

3.2

8.704

8.815

Nominal

 Dimension

DN

Outside Diameter

Wall

Calculated

Dmax

Dmin

Thickness

Plain End

Threads & Couplings

mm.

mm.

mm.

(kg/m.)

(kg/m.)

 1/2

15

21.4

21

2

0.95

0.96

 3/4

20

26.9

26.4

2.3

1.38

1.39

1

25

33.8

33.2

2.6

1.98

2

1 1/4

32

42.5

41.9

2.6

2.54

2.57

1 1/2

40

48.4

47.8

2.9

3.23

3.27

2

50

60.2

59.6

2.9

4.08

4.15

2 1/2

65

76

75.2

3.2

5.71

5.83

3

80

88.7

87.9

3.2

6.72

6.89

4

100

113.9

113

3.6

9.75

10

Nominal

Dimension 

DN

Outside Diameter

Wall

Calculated

Dmax

Dmin

Thickness

Plain End

Threads & Couplings

mm.

mm.

mm.

(kg/m.)

(kg/m.)

 1/2

15

21.7

21.1

2.6

1.21

1.22

 3/4

20

27.2

26.6

2.6

1.56

1.57

1

25

34.2

33.4

3.2

2.41

2.43

1 1/4

32

42.9

42.1

3.2

3.1

3.13

1 1/2

40

48.8

48

3.2

3.57

3.61

2

50

60.8

59.8

3.6

5.03

5.1

2 1/2

65

76.6

75.4

3.6

6.43

6.55

3

80

89.5

88.1

4

8.37

8.54

4

100

114.9

113.3

4.5

12.2

12.5

5

125

140.6

138.7

5

16.6

17.1

6

150

166.1

164.1

5

19.7

20.3

Nominal

Dimension

DN

Outside Diameter

Wall

Calculated

Dmax

Dmin

Thickness

Plain End

Threads & Couplings

mm.

mm.

mm.

(kg/m.)

(kg/m.)

 1/2

15

21.7

21.1

3.2

1.44

1.45

 3/4

20

27.2

26.6

3.2

1.87

1.88

1

25

34.2

33.4

4

2.94

2.96

1 1/4

32

42.9

42.1

4

3.8

3.83

1 1/2

40

48.8

48

4

4.38

4.42

2

50

60.8

59.8

4.5

6.19

6.26

2 1/2

65

76.6

75.4

4.5

7.93

8.05

3

80

89.5

88.1

5

10.3

10.5

4

100

114.9

113.3

5.4

14.5

14.8

5

125

140.6

138.7

5.4

17.9

18.4

6

150

166.1

164.1

5.4

21.3

21.9

Inch

DN

ĐK ngoài

(mm)

Độ dày thành ống (mm)

SCH 5

SCH 10

SCH 30

SCH 40

SCH 80

SCH 120

XXS

⅛

6

10,29 mm

0,889 mm

1,245 mm

1,448 mm

1,727 mm

2,413 mm

—

—

¼

8

13,72 mm

1,245 mm

1,651 mm

1,854 mm

2,235 mm

3,023 mm

—

—

⅜

10

17,15 mm

1,245 mm

1,651 mm

1,854 mm

2,311 mm

3,200 mm

—

—

½

15

21,34 mm

1,651 mm

2,108 mm

—

2,769 mm

3,734 mm

—

7,468 mm

¾

20

26,67 mm

1,651 mm

2,108 mm

—

2,870 mm

3,912 mm

—

7,823 mm

1

25

33,40 mm

1,651 mm

2,769 mm

—

3,378 mm

4,547 mm

—

9,093 mm

1¼

32

42,16 mm

1,651 mm

2,769 mm

2,972 mm

3,556 mm

4,851 mm

—

9,703 mm

1½

40

48,26 mm

1,651 mm

2,769 mm

3,175 mm

3,683 mm

5,080 mm

—

10,160 mm

2

50

60,33 mm

1,651 mm

2,769 mm

3,175 mm

3,912 mm

5,537 mm

6,350 mm

11,074 mm

2½

65

73,03 mm

2,108 mm

3,048 mm

4,775 mm

5,156 mm

7,010 mm

7,620 mm

14,021 mm

3

80

88,90 mm

2,108 mm

3,048 mm

4,775 mm

5,486 mm

7,620 mm

8,890 mm

15,240 mm

3½

90

101,60 mm

2,108 mm

3,048 mm

4,775 mm

5,740 mm

8,077 mm

—

16,154 mm

Inch

DN
mm

ĐK ngoài

(mm)

Độ dày thành ống (mm)

SCH 5

SCH 10

SCH 20

SCH 30

SCH 40

STD

SCH 60

SCH 80

SCH 100

SCH 120

SCH 140

SCH 160

4

100

114,30 mm

2,108 mm

3,048 mm

—

4,775 mm

6,020 mm

7,137 mm

8,560 mm

—

11,100 mm

—

13,487 mm

4½

115

127,00 mm

—

—

—

—

6,274 mm

—

9,017 mm

—

—

—

—

5

125

141,30 mm

2,769 mm

3,404 mm

—

—

6,553 mm

—

9,525 mm

—

12,700 mm

—

15,875 mm

6

150

168,28 mm

2,769 mm

3,404 mm

—

—

7,112 mm

—

10,973 mm

—

14,275 mm

—

18,263 mm

8

200

219,08 mm

2,769 mm

3,759 mm

6,350 mm

7,036 mm

8,179 mm

10,312 mm

12,700 mm

15,062 mm

18,237 mm

20,625 mm

23,012 mm

Inch

DN
mm

ĐK ngoài

(mm)

Độ dày thành ống (mm)

SCH 5s

SCH 5

SCH 10s

SCH 10

SCH 20

SCH 30

10

250

273,05 mm

3,404 mm

3,404 mm

4,191 mm

4,191 mm

6,350 mm

7,798 mm

12

300

323,85 mm

3,962 mm

4,191 mm

4,572 mm

4,572 mm

6,350 mm

8,382 mm

14

350

355,60 mm

3,962 mm

3,962 mm

4,775 mm

6,350 mm

7,925 mm

9,525 mm

16

400

406,40 mm

4,191 mm

4,191 mm

4,775 mm

6,350 mm

7,925 mm

9,525 mm

18

450

457,20 mm

4,191 mm

4,191 mm

4,775 mm

6,350 mm

7,925 mm

11,100 mm

20

500

508,00 mm

4,775 mm

4,775 mm

5,537 mm

6,350 mm

9,525 mm

12,700 mm

24

600

609,60 mm

5,537 mm

5,537 mm

6,350 mm

6,350 mm

9,525 mm

14,275 mm

Inch

Độ dày thành ống (mm)

SCH 40s

SCH 40

SCH 60

SCH 80s

SCH 80

SCH 100

SCH 120

SCH 140

SCH 160

10

9,271 mm

9,271 mm

12,700 mm

12,700 mm

15,062 mm

18,237 mm

21,412 mm

25,400 mm

28,575 mm

12

9,525 mm

10,312 mm

12,700 mm

12,700 mm

17,450 mm

21,412 mm

25,400 mm

28,575 mm

33,325 mm

14

9,525 mm

11,100 mm

15,062 mm

12,700 mm

19,050 mm

23,800 mm

27,762 mm

31,750 mm

35,712 mm

16

9,525 mm

12,700 mm

16,662 mm

12,700 mm

21,412 mm

26,187 mm

30,937 mm

36,500 mm

40,462 mm

18

9,525 mm

14,275 mm

19,050 mm

12,700 mm

23,800 mm

29,362 mm

34,925 mm

39,675 mm

45,237 mm

20

9,525 mm

15,062 mm

20,625 mm

12,700 mm

26,187 mm

32,512 mm

38,100 mm

44,450 mm

49,987 mm

24

9,525 mm

17,450 mm

24,587 mm

12,700 mm

30,937 mm

38,887 mm

46,025 mm

52,375 mm

59,512 mm