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          Tube

          Tube

          Circular Steel Tube
          With a hollow section, its length is far longer than the diameter or circumference of the steel. According to the cross section shape, it can be divided into round, square, rectangular and special type. According to the production process, it is divided into seamless steel pipe and welded steel pipe. There are hot rolling and cold rolling (drawing) two kinds of the seamless steel pipe. For welded steel pipe, there are straight seam welded steel pipe and spiral seam welded steel pipe. 

          Hot rolled round steel (units) per meter scale 

          Diameter(d) mm

          Per area weight

          Diameter(d) mm

          Per area weight

          5

          0.15

          31

          5.93

          5.5

          0.19

          32

          6.31

          6

          0.22

          33

          6.71

          6.5

          0.26

          34

          7.13

          7

          0.3

          35

          7.55

          8

          0.4

          36

          7.99

          9

          0.5

          38

          8.9

          10

          0.62

          40

          9.87

          11

          0.75

          42

          10.87

          12

          0.89

          45

          12.48

          13

          1.04

          48

          14.21

          14

          1.21

          50

          15.42

          15

          1.39

          52

          16.67

          16

          1.58

          53

          17.32

          17

          1.78

          55

          18.65

          18

          2

          56

          19.33

          19

          2.23

          58

          20.74

          20

          2.47

          60

          22.19

          21

          2.72

          63

          24.47

          22

          2.98

          65

          26.05

          23

          3.26

          68

          28.51

          24

          3.55

          70

          30.21

          25

          3.85

          75

          34.68

          26

          4.17

          80

          39.46

          27

          4.49

          85

          44.55

          28

          4.83

           

           

          29

          5.18

           

           

          30

          5.55

           

           

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          Copyright:佛山市勝邦鋼結構有限公司 Foshan Shengbang Steel Structure Co., Ltd. Record Number:粵ICP備13078463號