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20G小口徑無縫鋼管，32*6高壓鍋爐管

16*3-3.5-4-4.5-5-5.5

17*1.5-2-2.5-3-3.5

18*1.2-1.5-2-2.5-3-3.5-4-5-6

19*1.2-1.5-2-2.5-3-3.5-4

20*1.5-2-2.5-3-3.5-4-5-6

21*2.5-3-3.5-4-5-6

22*1.5-2-2.5-3-3.6-4-4.5-5-6-8

24*2.5-4-4.5-5-7

25*2-2.2-2.5-3-3.5-4-4.5-5-5.5-6-7

27*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-7

28*2-2.5-3-3.5-4-4.5-5-6-6.5

30-32*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-7-8-10

33.4*4.5

33.5*3.5

34*2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8-9-10

35*2-2.5-3-3.5-4-5-5.5-6-6.5-7

36*2-3-3.5-4-4.5-5-6-7-8

38*1.2-2-2.2-2.5-3-3.5-4-4.5-4.7-5.5-6-7-8-9-10

39*4-5

40*1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-8-9-10

42*2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-8-9-10

43*5-6-7-7.5-8-9-10

45*1.5-1.8-2-2.5-3-3.5-4-4.5-5-6-7-7.5-8-8.5-9-10-11-12

48*2.5-3-3.5-4-4.5-5-5.5-6-7-8-9-10-12

50*1.5-2-2.5-3-3.5-4-4.5-5-6-7-8-9-10-11-12

51*3-3.5-4-4.5-5-5.5-6-7-8-9-10-11-12-14

54*2-2.5-3-3.5-4-5-5.5-6-6.5-7-8-9-10-11-12

57*3-3.5-4-4.5-5-5.5-6-7-8-9-9.5-10

60*2-3-3.5-3.8-4-4.5-5-5.5-6-6.5-7-9

63.5*3-3.5-4-4.5-5-6

65*4-5.5-6-8-8.5-10

68*3-3.5-4-4.5-5-5.5-6-11-12

70*2.5-3-3.5-6-9

73*3.5-4-4.5-5-5.5-6-7-7.5-8-9-10-11-12

76*3-3.5-4-4.5-5-5.5-6-7-8-9-10-12

89*4-4.5-5-5.5-6-6.5-7-7.5-8-9-10-11-12-12.5.-13-14

95*4-4.5-5-5.5-6-7-8-9-10-11-12.5-14-16