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异　径　接　头　理　论　重　量　表                            kg/只
直径      壁　　厚　　　mm
mm      3      3.5      4      4.5      5      5.5      6      6.5      7      8      9      10      11      12
18~22      　      　      　      　      　      　      　      　      　      　      　      　      　      　
25      0.06      0.07      0.08      0.09      0.09      0.10      0.11      0.11      　      　      　      　      　      　
27      0.07      0.08      0.09      0.09      0.10      0.11      0.12      0.12      　      　      　      　      　      　
32      0.11      0.13      0.14      0.16      0.17      0.18      0.20      0.21      　      　      　      　      　      　
34      0.12      0.13      0.15      0.17      0.18      0.20      0.21      0.22      　      　      　      　      　      　
38      0.13      0.15      0.17      0.19      0.21      0.22      0.24      0.26      　      　      　      　      　      　
42      0.15      0.17      0.19      0.21      0.23      0.25      0.27      0.29      　      　      　      　      　      　
45      0.20      0.23      0.26      0.29      0.32      0.34      0.37      0.40      0.42      　      　      　      　      　
48      0.21      0.25      0.28      0.31      0.34      0.37      0.40      0.43      0.45      　      　      　      　      　
51      　      　      　      　      　      　      　      　      　      　      　      　      　      　
57      0.30      0.35      0.40      0.44      0.49      0.53      0.57      0.62      0.66      0.73      　      　      　      　
60      0.32      0.37      0.42      0.47      0.52      0.56      0.61      0.65      0.70      0.78      　      　      　      　
73      　      0.46      0.61      0.68      0.75      0.81      0.88      0.95      1.01      1.14      1.26      　      　      　
76      　      0.56      0.63      0.71      0.78      0.85      0.92      0.99      1.06      1.19      1.32      　      　      　
89      　      0.66      0.75      0.83      0.92      1.01      1.09      1.18      1.26      1.42      1.58      1.73      1.88      　
108      　      　      　      1.17      1.30      1.42      1.54      1.66      1.78      2.01      2.24      2.47      2.68      2.90
114      　      　      　      1.24      1.37      1.50      1.63      1.76      1.88      2.13      2.38      2.62      2.85      3.08