直径内径允许偏差极限值68101214161820222528323640505.87.79.611.5±0.413.415.417.319.321.324.227.2313538.748.5±0.7±0.8±0.6±0.5131516.918.820.823.726.630.434.43847.71.211.58±522.472.983.854.836.317.999.8715.42±41.92.352.863.74.646.067.679.4814.8254.5314.2380.1490.9615.8804.21018125719641.151.5153.9201.1±0.35.57.39.211.1理论重量Kg/m0.2220.395±70.6170.8880.5740.82678.54113.1允许偏差极限值面积m㎡0.2060.36728.2750.27注：光圆钢筋±4
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