公称        外径       理重        吨价       支价   15          21.3         1.33        4500          20          26.8         1.73        4500          25          33.5         2.57        4300         32          42.3         3.32        4300         40          48.0         4.07        4200          50          60.0         5.17        4200          65          75.5         7.04        4200        80          88.5         8.84        4200        100        114          11.50      4200         125        140          15.94      4200          150        165          18.88      4200          200         219         33.41      4200