钢筋理论重量及允许偏差范围

1、 热轧光圆钢筋理论重量及允许偏差范围公称直径d/mm直径重量允许偏差允许偏差区间/mm允许偏差理论重量（kg/m）允许偏差区间最小直径最大直径最小重量最大重量6±0.3mm5.76.3±7%o.2220.206460.237546.56.26.80.260.24180.278287.78.30.3950.367350.42265109.710.30.6170.573180.660191211.712.30.8880.825840.9501614±0.4mm13.614.4±5%1.211.14951.27051615.616.41.581.5011.65

2、91817.618.421.92.12019.620.42.472.34652.59352221.622.42.982.8313.129热轧带肋钢筋理论重量及允许偏差范围公称直径d/mm直径重量内径d1允许偏差区间/mm允许偏差理论重量（kg/m）允许偏差区间公称尺寸允许偏差最小直径最大直径最小重量最大重量65.8±0.3mm5.56.1±7%o.2220.206460.2375487.7±0.4mm7.38.10.3950.367350.42265109.69.2100.6170.573810.660191211.511.111.90.8880.825840.9

3、50161413.41313.8±5%1,211.14951.27051615.41515.81.581.5011.6591817.316.917.721.92.12019.3±0.5mm18.819.82.472.34652.59352221.320.821.8±4%2.982.86083.09922524.323.724.73.853.6964.0042827.2±0.6mm26.627.84.834.63685.0232323130.431.66.316.05766.5624363534.435.67.997.67048.30694038.7

4、77;0.7mm3839.49.879.475210.26485048.5±0.8mm47.749.315.4214.803216.0368公称直径d/mm钢筋牌号重量允许偏差理论重量（kg/m）允许偏差区间最小重量最大重量6热轧带肋HRB335HRBF335HRB400HRBF400RRB400RRB400HRB500HRBF500±8%未经调直钢筋允许偏差为±7%0.2220.204240.2397680.3950.36340.4266100.6170.567640.66636120.8880.816960.9590414±6%未经调直钢筋允许偏差为

5、±5%1.211.13741.2826161.581.48521.67481821.882.12202.472.32182.618222±5%未经调直钢筋允许偏差为±4%2.982.8313.129253.853.65754.0425284.834.58855.0715326.315.99456.6225367.997.59058.3895409.879.376510.36355015.4214.64916.1916热轧光圆钢筋HRB235HPB300±10%未经调直钢筋允许偏差为±7%0.2220.19980.24426.50.260.234

6、0.28680.3950.35550.4345100.6170.55530.6787120.8880.79920.9768卷盘钢筋和直条钢筋（调直后）钢筋理论重量及允许偏差范围冷轧带肋钢筋（三面肋和俩面肋）理论重量及允许偏差范围公称直径d/mm重量允许偏差理论重量（kgm）允许偏差区间最小重量(kg/m)最大重量(kg/m)4±4%0.0990.095040.102964.50.1250.120.1350.1540.147840.160165.50.1860.178560.1934460.2220.213120.230886.50.2610.250560.2714470.3020.289920.314087.50.3470.333120.360888.0.3950.37920.41088.50.4450.42720.462890.4990.479040.518969.5±4%0.5560.533760.57824100.6170.592320.64168