供應20#國標無縫鋼管,8163無縫鋼管

外徑(毫米)

壁 厚（毫米）

8

8.5

9

9.5

10

11

12

13

14

15

理論重量（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