直径面积强度等级mma标距（L)mm屈服强度ReLMPaKN拉伸强度RmMPaKN原材延伸弯心直径率(A%)mmD弯心弯心角度o取样长度冷弯支距mm(D+3a)±0.5a拉伸mm5a+200冷弯0.5*π*(D+a)+1401.55（D+a）+140拉伸加载速率（KN·S-1)最小最大mm211.3115.27628.27302442230186.50.0621.1127.15850.274032562402020.1032.4242.411078.54504070250217.50.1646.2461.0712113.16048842602330.2362.5683.1114153.9705698270248.50.3181.44108.5916201.180641122802640.40102.80137.4318254.59072126290279.50.51540HRB40040016180126.68169.6720314.2100801403002950.63153.04205.2522380.111088154310310.50.76197.36265.0925490.9130100175325333.80.98247.32332.5328615.8140140224340400.41.23322.68434.2732804.2160160256360437.61.61408.20549.72361018180180288380474.82.04503.80678.784012572002003204005122.518.4811.87628.2760624260158.60.069.9513.946.533.18656.526265160.20.0715.0821.11850.2780832280164.80.1023.5632.991078.5410010403001710.1633.9347.5012113.11201248320177.20.23420HPB3003002518046.1764.6414153.91401456340183.40.3160.3384.4616201.11601664360189.60.4076.35106.8918254.51801872380195.80.5194.26131.9620314.220020804002020.63114.03159.6422380.12202288420208.20.76标 准：（GB1499.1-2008）、（GB1499.2-2007），试验方法：GB/T228.1-2010、GB/T232-2010。
抽检频率：同一（牌号、炉号、尺寸）＜60T/次；超过60T的部分，每增加40t(或不足40t的余数）应增加一根拉伸和一根冷弯
取样方法：任选两根钢筋切取，切取时应在钢筋或盘条的任意一端截去500mm后切取。在同一根上分别截取一根拉伸和一根冷弯试件。注：HPB300拉伸试验取样长度按10d+200( mm)计算取样长度。
0.561.001.572.263.074.025.096.287.609.8112.3116.0820.3625.140.560.661.001.572.263.074.025.096.287.60
因篇幅问题不能全部显示，请点此查看更多更全内容