供应20#国标无缝钢管,8163无缝钢管

外径(毫米)

壁 厚（毫米）

8

8.5

9

9.5

10

11

12

13

14

15

理论重量（公斤/米）

102

18.55

19.60

20.64

21.67

22.69

24.69

26.53

28.63

30.38

32.18

108

19.73

20.86

21.97

23.08

24.17

26.31

28.41

30.46

32.45

34.40

114

20.91

22.12

23.31

24.48

25.65

27.94

30.19

32.38

34.53

36.62

121

22.29

23.58

24.86

26.12

27.37

29.84

32.26

34.62

36.94

39.21

127

23.48

24.84

26.19

27.53

28.85

31.47

34.03

36.55

39.01

41.43

133

24.66

26.10

27.52

28.93

30.33

33.10

35.81

38.47

41.09

43.65

140

26.04

27.57

29.08

30.57

32.06

34.99

37.88

40.72

43.50

46.24

146

27.23

28.82

30.41

31.98

33.54

36.62

39.66

42.64

45.57

48.46

152

28.41

30.08

31.74

33.39

35.02

38.25

41.43

44.56

47.65

50.68

159

29.79

31.55

33.29

35.03

36.75

40.15

43.50

46.81

50.06

53.27

168

31.57

33.43

35.29

37.13

38.97

42.59

46.17

49.69

53.17

56.60

180

33.93

35.95

37.95

39.95

41.92

45.85

49.72

53.54

57.31

61.04

194

36.70

38.89

41.06

43.23

45.38

49.64

53.86

58.03

62.15

66.22

203

38.47

40.77

43.05

45.33

47.59

52.08

56.52

60.91

65.94

69.54