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Flange Weight Chart In Kg, Mm (free Pdf Download Included)

Author: Maseer Ansari

July 9, 2025

Flange Weight Chart in KG

Flange Weight Chart in KG


Flange Weight in KG, MM, PDF is a crucial reference for engineers, buyers, and fabricators who need accurate data for piping design, shipping calculations, or procurement planning. Knowing the exact weight of a flange by its size and type helps ensure safe handling, cost estimation, and compatibility with other piping components. Below, you’ll find detailed flange weight charts for popular flange types like Slip-On, Weld Neck, and Blind flanges in millimeters (MM) and kilograms (KG). You can download a complete PDF version of this chart at the end of the blog.

Flange Weight Chart in KG & MM

Flange Size (NB)

Outer Diameter (MM)

Thickness (MM)

Weight (KG)

15 (½")

95

12

1.1

20 (¾")

105

14

1.3

25 (1")

115

16

1.6

32 (1¼")

140

16

2.2

40 (1½")

145

18

2.8

50 (2")

160

20

3.5

65 (2½")

180

22

4.5

80 (3")

200

24

5.8

100 (4")

220

24

7.4

125 (5")

250

26

9.8

150 (6")

280

28

12.6

200 (8")

340

30

19.5

250 (10")

405

32

28.7

300 (12")

460

36

38.9

350 (14")

520

38

50.4

400 (16")

580

40

64.7

450 (18")

640

42

81.2

500 (20")

715

44

99.6

600 (24")

840

48

145.8

Extended Flange Weight Chart – Metric (MM) & Kilograms (KG)

Nominal Bore (NB)

Outer Diameter (MM)

Thickness (MM)

Weight (KG)

700 (28")

910

50

195.2

750 (30")

975

52

225.6

800 (32")

1040

56

260.8

850 (34")

1105

58

295.1

900 (36")

1170

60

335.7

950 (38")

1235

64

372.9

1000 (40")

1300

68

420.3

1050 (42")

1365

72

470.5

1100 (44")

1430

76

523.0

1150 (46")

1495

78

576.4

1200 (48")

1560

80

631.2

You can get the full collection of flange weight tables with over 100 sizes and variations in a downloadable, printer-friendly PDF format.

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