热轧钢棒尺寸、外形、重量及允许偏差

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1、一、热轧钢棒尺寸、外形、重量及允许偏差中文名称热轧钢棒尺寸、外形、重量及允许偏差英文名称Hot-rolledsteelbars—Dimensiions,shape,weightandtolerances定义热轧钢是经过高温加热轧制而成的钢材。上传时间负责人提供者及email名词术语关键词摘要数据类型(规范数据、厂家数据、材料数据、自测数据)应用领域热轧产品具有强度高、韧性好、易于加工成型及良好的可焊接性等优良性能，因而被广泛用于船舶、汽车、桥梁、建筑、机械、压力容器等制造行业。数据来源公路工程常用金属材料与钢结构标准汇编适用范围：本标准适用于直径为

2、5.5mm~310mm的热轧圆钢和边长为5.5mm~200mm的热轧方钢；厚度为3mm~60mm，宽度为10mm~200mm，截面为矩形的一般用途热轧扁钢；对边距离为8mm~70mm的热轧六角钢和对边距离为16mm~40mm的热轧八角钢；厚度为4mm~100mm，宽度为10mm~310mm，截面矩形的热轧工具钢扁钢。二、截面尺寸、重量及允许偏差1.尺寸及重量（1）热轧圆钢和方钢的尺寸及理论质量圆钢公称直径d方钢公称边长a/mm理论质量（kg/m）圆钢方钢5.50.1860.23760.2220.2836.50.2600.33270.3020.385

3、80.3950.50290.4990.636100.6170.785110.7460.95120.8881.13131.041.33141.211.54151.391.77161.582.01171.782.27182.002.54192.232.83202.473.14212.723.46222.983.80233.264.15243.554.52253.854.91264.175.31274.495.72284.836.15295.186.60305.557.06315.937.54326.318.04336.718.55347.139.073

4、57.559.62367.9910.2388.9011.3409.8612.64210.913.84512.515.94814.218.15015.419.65317.322.05518.623.75619.324.65820.726.46022.228.36324.531.26526.033.26828.536.37030.238.57534.744.28039.550.28544.556.79049.963.69555.670.810061.778.510568.086.511074.695.011581.510412088.811312596

5、.3123130104133140121154150139177160158201170178227180200254190223283200247314220298--250385--260417--270449--280483--290518--300555--310592--（2）热轧扁钢的尺寸及理论质量宽度/mm厚度/mm3456789101112141618理论质量/(kg/m)(密度7.85g/m3)100.240.310.390.470.550.63———————120.280.380.470.570.660.75———————140

6、.330.440.550.660.770.88———————160.380.500.630.750.8811.151.26—————180.420.570.730.850.991.131.271.41—————200.470.630.780.941.11.261.411.571.731.88———220.520.690.861.041.211.381.551.731.92.07———250.590.780.981.181.371.571.771.962.162.362.753.14—280.660.881.101.321.541.761.982.2

7、2.422.643.083.53—300.710.941.181.411.650.882.122.362.592.833.33.774.24320.751.001.261.511.762.012.262.552.763.013.524.024.52350.821.101.371.651.922.22.472.753.023.33.854.44.95400.941.261.571.882.22.512.833.143.453.774.45.025.65451.061.411.772.122.472.833.183.533.894.244.955.65

8、6.36501.181.571.962.362.753.143.533.934.324.715.56.287.0655—1