外径壁 厚／mmO．0.6O.81．O5钢管的理论质量／(kg／m)0.912O．9621.091.21.0891.1481.31.331.381.441.471.531.561.741.841.41.2641.3331.5l1.541.6l1.681.711.781.822.022.141.51.351.4241.611.651.721.791.831.91.942.162.292.352.372.762.93．OI3.243.463.73.721.61.4361.5151.711.751.831.911.952.032.072.32.442.52.72.943.093.2l3.453.693.953.961.81.6071.6961.921.962.052.142.182.272.322.582.742.813.033.293.473.63.874.144.434.452．O1.7761.8742.122.172.272.372.422.522.562.863.033.113.353.653.853.994.294.594.914.932.21.9422.0512.322.382.482,592.652.762.813.143.333.413.6844.224.384.715.035.395.412,52.1892.3122.622.682.812.932.993.113.173.543.763.854.164.534.784.965.335.76.116.132.82.432.5692.912.983.123.263.333.473.543.954.194.294.645.055.335.545.956.376.826.8532.5892.7373.113.183.333.483.553.73.774.224.484.594.965.45.75.926.366.8l7.297.323.22.7462.9043.33.383.543.693.773.934.014.484.764.885.275.746.066.36.7717.247.767.83.52.9783.153.583.6683.844．Ol4.14.274.364.885.185.315.746.266.66.867.387.98.478.5／mm3840454648505l53546063.565707680838995101.6102
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