钢筋混凝土结构用热轧钢筋型号d0mm671012141618202225283230内径dmm5.756.757.508.509.3011.0013.0015.0017.0019.0021.0024.0026.5030.5034.5038.50外径d1理论重量mmkg/m6.750.2227.750.3029.000.39510.000.49911.300.61713.000.88815.501.20817.501.57820.001.99822.002.46624.002.98427.003.85330.504.83434.506.31339.507.99043.509.865
