钢管除锈刷油单位数量管外径公称直径AB英标尺寸ABAB除锈、刷油面积（m2/100m）保温体积（m3/100m）1017.2141/4″5.40354.39821521.3181/2″6.69165.65492026.9253/4″8.45097.8542533.7321″10.587210.05313242.4381 1/4″13.320311.9384048.3451 1/2″15.173914.13725060.3572″18.943817.90716576.1762 1/2″23.907523.87618088.9893″27.928727.9602100114.31084″35.908433.9292125139.71335″43.88841.7832150168.31596″52.87349.9513200219.12198″68.832368.800925027327310″85.765585.7655300323.932512″101.7562102.1017350355.437714″111.6522118.438400406.442616″127.6743133.831845045748018″143.5707150.796450050853020″159.5929166.504460061063024″191.6371197.920370071172028″223.3672226.194680081382032″255.4114257.610590091492036″287.1415289.026410001016102040″319.1857320.442312001219122048″382.96383.274214001422142056″446.7343446.10616001626162064″510.8228508.937818001829182072″574.5971571.769720002032202080″638.3714634.6015保护层面积（m3/100m）管长AB刷油面积
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
