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外徑／mm×壁厚／mm 理論質(zhì)量／(kg／m) 外徑／mm×壁厚／mm 理論質(zhì)量／(kg／m)
14×4      O.986                 19×5                  1.73
15×4      1.09                    24×4.5               2.16
15×4.5    1.17                    24×6                 2.66
25×5       2.47                    102×2l              41.95
25×6       2.8l                      108×14            32.45
25×7       3.1l                      127×14            39.0l
35×6       4.29                     127×17            46.12
35×9       5.77    
43×7       6.21                     127×21            54.89
43×l0      8.14                    133×17             48.63
49×8       8.09                      154×23           74.30
49×10     9.62                    159×18             62.59
57×9      10.65                    159×19            65.60
68×9      13.09                    159×20            68.55
68×lO      14.30                   159×28            90.45
68×13      17.63                  168×28            96.67
70×lO       14.80                   180×19           75.43
83×9        16.42                     180×22          85.72
83×10      18.00                   180×30           110.97
83×ll        19.53                      219×35         158.81
83×15       25.15                    273x18          113.19
102×11     24.68                  273×20           124.78
102×14     30.38                  273×34            200.39
102x17     35.64                   273×40            229.83