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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60.3mm5.76.37%0.2220.206460.237546.56.26.80.260.24180.278287.78.30.3950.367350.42265109.710.30.6170.573180.660191211.712.30.8880.825840.95016140.4mm13.614.45%1.211.14951.27051615.616.41.581.5011.6591817.618.421.92.12019.62
2、0.42.472.34652.59352221.622.42.982.8313.129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Bit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65.80.3mm5.56.1土7%0.2220.206460.2375487.70.4mm7.38.10.3950.367350.42265109.69.2100.6170.573810.660191211.511.111.90.8880.825840.950161413.41313.8土5%1,211.14951.27051615.41515
3、.81.581.5011.6591817.316.917.721.92.12019.30.5mm18.819.82.472.34652.59352221.320.821.8土4%2.982.86083.09922524.323.724.73.853.6964.0042827.20.6mm26.627.84.834.63685.0232323130.431.66.316.05766.5624363534.435.67.997.67048.30694038.70.7mm3839.49.879.475210.26485048.50.8mm47.749.315.4214.803216.0368称直mm
4、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热轧带肋HRB335HRBF335HRB400HRBF400RRB400RRB400HRB500HRBF5008%未经调直钢筋允许偏差为土7%0.2220.204240.239760.3950.36340.426600.6170.567640.6663620.8880.816960.9590446%未经调直钢筋允许偏差为土5%1.211.13741.282661.581.48521.6748821.882.1202.472.32182.618225%未经调直钢筋允许偏差为土4%2.982.8313.12953.853.6575
5、4.042584.834.58855.071526.315.99456.622567.997.59058.389509.879.376510.3635015.4214.64916.191热轧光圆钢筋HRB235HPB300士10%未经调直钢筋允许偏差为7%0.2220.19980.244250.260.2340.2860.3950.35550.434500.6170.55530.678720.8880.79920.9768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%0.0990.0
6、95040.102964.50.1250.120.1350.1540.147840.160165.50.1860.178560.1934460.2220.213120.230886.50.2610.250560.2714470.3020.289920.314087.50.3470.333120.360888.0.3950.37920.41088.50.4450.42720.462890.4990.479040.518969.5+4%0.5560.533760.57824100.6170.592320.6416810.50.6790.651840.70616110.7460.716160.7758411.50.8160.783360.84864120.8880.852480.92352
