Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe
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Round Steel Billet


Computing formula of round steel weight per meter:

 

Weight=Density x volume. Density of pure steel: 7.8g/cm³. Volume=Bottom area X height. Bottom area= 3.14 x the square of radius (screw steel and round steel share the same radius). For example, in order to compute the weight of round steel with diameter D of 150 and thickness of 65 (height H), diameter 150mm and height 65mm shall be converted into centimeter at first, namely, 15cm and 6.5cm, then the weight is calculated with formula [(D/2)^2]*π*H*7.8, and the result is [(15/2)^2]*3.14*6.5*7.8=8954.89g, viz. 8.955kg.

Round Steel Billet

Computing formula of weight of all kinds of angle steel per meter

Angle steel: Weight per meter=0.00785* (side width+ side width-side thickness)*side thickness

Flat steel: Weight per meter=0.00785*thickness*side width

Pipe: Weight per meter=0.02466*wall thickness*(outer diameter-wall thickness)

Plate: Weight per meter=7.85*thickness

Brass pipe: Weight per meter=0.02670*wall thickness*(outer diameter-wall thickness)

Copper pipe: Weight per meter=0.02796*wall thickness* (outer diameter-wall thickness)

Aluminum checkered plate: Weight per square meter=2.96* thickness

Specific density of nonferrous metal: Copper plate 8.9, brass plate 8.5, zinc plate 7.2 and lead plate 11.37

Computing formula of nonferrous metal plates: Weight per square meter=Specific density*thickness.

 

List of Theoretical Weights of Round Steel

Round steel diameter d (Model)

Theoretical weight kg/m

Round steel diameter d (Model)

Theoretical weight kg/m

Round steel

Round steel

5.5

0.186

13

1.04

6

0.222

14

1.21

6.5

0.26

15

1.39

7

0.302

16

1.58

8

0.395

17

1.78

9

0.499

18

2

10

0.617

19

2.23

* 11

0.746

20

2.47

12

0.888

21

2.72

22

2.98

63

24.5

* 23

3.26

* 65

26

24

3.55

* 68

28.5

25

3.85

70

30.2

26

4.17

75

34.7

* 27

4.49

80

39.5

28

4.83

85

44.5

* 29

5.18

90

49.9

30

5.55

95

55.6

* 31

5.92

100

61.7

32

6.31

105

68

* 33

6.71

110

74.6

34

7.13

115

81.5

* 35

7.55

120

88.8

36

7.99

125

96.3

38

8.9

130

104

40

9.86

140

121

42

10.9

150

139

45

12.5

160

158

48

14.2

170

178

50

15.4

180

200

53

17.3

190

223

* 55

18.6

200

247

56

19.3

220

298

* 58

20.7

250

385

60

22.2

 

 

 

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