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5寸鋼管是DN多少/大口徑鋼管尺寸規格

1/2英吋相當于DN15          俗稱4分管(4/8)                     φ21.3           φ18
  3/4英吋相當于DN20          俗稱6分管(6/8)                     φ26.9           φ25
  1英吋  相當于DN25          俗稱1寸管                          φ33.7           φ32
1 1/4英吋相當于DN32        俗稱1寸2分管(1-2/8)                  φ42.4           φ38
1 1-2英吋相當于DN40        俗稱1寸5分管                         φ48.3           φ45
    2英吋相當于DN50        俗稱2寸管                            φ60.3           φ57
2 1/2英吋相當于DN65        俗稱2寸5分管(2-1/2)                  φ76.1           φ76
    3英吋相當于DN80            俗稱3寸管                        φ88.9           φ89
    4英吋相當于DN100           俗稱4寸管                        φ114.3          φ108
    5英吋相當于DN125           俗稱5寸管                        φ139.7          φ133
           6寸 DN150                                            φ168.3          φ159
           8寸 DN200                                            φ219.1          φ219
          10寸 DN250                                            φ273            φ273
          12寸 DN300                                            φ323.9          φ325
          14寸 DN350                                            φ355.6          φ377
          16寸 DN400                                            φ406.4          φ427
          18寸 DN450                                            φ457            φ480
          20寸 DN500                                            φ508            φ530
          24寸 DN600                                            φ610            φ630
          28寸 DN700                                            φ711            φ720
          32寸 DN800                                            φ813            φ820
          36寸 DN900                                            φ914            φ920
          40寸 DN1000                                           φ1016           φ1020

鋁管規格表
鋁管價格表
今日無縫鋼管價格 
精密鋼管價格網 
鋼管價格網 
16mm方鋼一米多少公斤
方管每米計算公式
不銹鋼板規格 
連接套管的化學成分