壁厚(mm)外径(mm)323842455054576063.568707376838995102108114121127133140146152159168180194203219245273299325351377402426459﹝465﹞480500530﹝550﹞5606006302.5有有有有有2.8有有有有有3有有有有有有有有有有有有有3.5有有有有有有有有有有有有有有有有有4有有有有有有有有有有有有有有有有有有有有有有有4.5有有有有有有有有有有有有有有有有有有有有有有有有有有5有有有有有有有有有有有有有有有有有有有有有有有有有有有有有5.5有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有6有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有6.5有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有7有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有7.5有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有8有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有8.59101112131415有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有161718192021222324252627283032﹝34﹞﹝35﹞363840﹝42﹞﹝45﹞有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有﹝48﹞50566063657075有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有有
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