regulation

grid

OD

mm

Wall thickness mm

Minimum wall

Welded pipe

( 6 m fixed length)

Galvanized pipe

( 6 m fixed length)

Nominal inner diameter

inch

Thick mm

Meter weight kg

Root weight kg

Meter weight kg

Root weight kg

DN15

1/2

21.3

2.8

2.45

1.28

7.68

1.357

8.14

DN20

3/4

26.9

2.8

2.45

1.66

9.96

1.76

10.56

DN25

1

33.7

3.2

2.8

2.41

14.46

2.554

15.32

DN32

1.25

42.4

3.5

3.06

3.36

20.16

3.56

21.36

DN40

1.5

48.3

3.5

3.06

3.87

23.22

4.1

24.6

DN50

2

60.3

3.8

3.325

5.29

31.74

5.607

33.64

DN65

2.5

76.1

4

3.5

7.11

42.66

7.536

45.21

DN80

3

88.9

4

8.38

50.28

8.88

53.28

DN100

4

114.3

4

10.88

65.28

11.53

69.18

DN125

5

140

4.5

15.04

90.24

15.942

98.65

DN150

6

168.3

4.5

18.18

109.08

19.27

115.62

DN200

8

219.1

6 (welded pipe)

31.53

189.18

DN200

8

219.1

6.5 hot-dip galvanizing

36.12

216.72

name

Weigh

Chinese standard

Enterprise standard

Contrast conclusion

Low pressure fluid conveying welded steel pipe

Welded steel pipe

GB/T3091-2001

Q/YF01-2002

1

Steel pipe outer diameter

Steel pipe outer diameter,

outer diameter allowable deviation

Better than Chinese standards

Outer diameter D/mm

Tube outer diameter deviation mm

Tube outer diameter

Deviation mm

Outer diameter D

8″

± 0.60mm

D< 48.3

± 0.5mm

5″-6″

± 0.50mm

48.3<D <

168.3

± 1.0%

4″

± 0.40mm

168.3<D <

508

± 0.75%

+2.4 -0.8

3″-“

± 0.30mm

D>508

± 1.0%

+3.0 -0.8

2″ or less

± 0.20mm

Wall thickness deviation

± 12.5%

Wall thickness S

1.8

5.75mm

5%

2

Usual length

Allowable deviation

length

Usual length

Allowable deviation

Better than Chinese standards

4M-12M

+20 -0

2 inches or less

5-0

Double length: 5-10mn ® should be

left for each double in the usual length

Margin

+20 -0

2.5 inches – 4 inches

5-0

5 inches or more

15-0

Special length

20-0

Product name

Material

specification

Wall thickness ( mr )

Unit (ton / yuan)

Theoretical weight (m / kg )

Unit (m / yuan)

Hot dip galvanized steel

Q 235

DN 15

(1/2)

2.8

6300

1.357

8.549

Hot dip galvanized steel

Q 235

DN 20

(3/4)

2.8

6300

1.760

11.088

Hot dip galvanized steel

Q 235

DN 25 (1.0)

3.2

6300

2.554

16.090

Hot dip galvanized steel

Q 235

DN 32

(1.25)

3.5

6100

3.560

21.716

Hot dip galvanized steel

Q 235

DN 40

(1.5)

3.5

6100

4.100

25.010

Hot dip galvanized steel

Q 235

DN 50

(2.0)

3.5

6000

5.607

33.642

Hot dip galvanized steel

Q 235

DN 65

(2.5)

4.0

6000

7.536

45.216

Hot dip galvanized steel

Q 235

DN 80

(3.0)

4.0

6000

8.880

53.28

Hot dip galvanized steel

Q 235

DN 100

(4.0)

4.0

6000

11.530

69.18

Hot dip galvanized steel

Q 235

DN 125

(5.0)

4.5

6200

15.942

98.84

Hot dip galvanized steel

Q 235

DN 150

(6.0)

4.5

6200

19.270

119.474

Hot dip galvanized steel

Q 235

DN 200

(8.0)

6.5

6300

36.120

227.556

Welded steel pipe

Q 235

DN 15

(1/2)

2.8

6500

1.357

8.8205

Welded steel pipe

Q 235

DN 20

(3/4)

2.8

6500

1.760

11.44

Welded steel pipe

Q 235

DN 25

(1.0)

3.2

6500

2.554

16.601

Welded steel pipe

Q 235

DN 32

(125)

3.5

6500

3.560

23.140

Welded steel pipe

Q 235

DN 40

(1.5)

3.5

6500

4.100

26.650

Welded steel pipe

Q 235

DN 50

(2.0)

3.5

6500

5.607

36.4455

Welded steel pipe

Q 235

DN 65

(2 5)

4.0

6500

7.536

48.984

Welded steel pipe

Q 235

DN 80

(3.0)

4.0

5500

8.880

48.84

Welded steel pipe

Q 235

DN 100

(4 0)

4.0

5500

11.530

63.415

Welded steel pipe

Q 235

DN 125

(5 0)

4.5

5700

15.942

90.869

Welded steel pipe

Q 235

DN 150

(6 0)

4.5

5700

19.270

109.839

Welded steel pipe

Q 235

DN 200

(8.0)

6.0

5900

36.120

213.108