型号

壁厚

型号

壁厚

18

1.5-4mm

36

2-8mm

19

1.5-4mm

37

2-8mm

20

1.5-4mm

38

2-10mm

21

1.5-4mm

39

2-10mm

22

1.5-4mm

40

2-10mm

23

1.5-4mm

41

2-10mm

24

2-5mm

42

2-10mm

25

2-5mm

43

2-10mm

26

2-6mm

44

2-10mm

27

2-5mm

45

2-10mm

28

2-5mm

46

2-10mm

29

2-5mm

48

2-10mm

30

2-8mm

50

2-10mm

31

2-8mm

54

2-10mm

32

2-8mm

56

2-10mm

33

2-8mm

58

2-10mm

34

2-8mm

60

2-10mm

35

2-8mm

68

2-10mm