角钢、槽钢尺寸允许偏差 (2).doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date角钢、槽钢尺寸允许偏差 (2)角钢、槽钢尺寸允许偏差 (2)表20热轧等边角钢的允许偏差和长度角钢号数边宽b/mm边厚d/mm长度/m角钢号数边宽b/mm边厚d/mm长度/m25.66.390.81.20.40.6412412101416201.82.50.71.0419619本文引用地址： | 复制地址等边角钢的两个边宽相等。其规格以边宽边宽边厚的毫米数表示。如“3

2、0303”，即表示边宽为30毫米、边厚为3毫米的等边角钢。也可用型号表示，型号是边宽的厘米数，如3#。型号不表示同一型号中不同边厚的尺寸，因而在合同等单据上将角钢的边宽、边厚尺寸填写齐全，避免单独用型号表示。热轧等边角钢的规格为2#-20#。 表30热轧槽钢的尺寸允许偏差(mm)型 号56.36.58101212.614161820222425272830323640高度h1.52.02.03.03.0腿宽b1.52.02.53.03.5腰厚d0.40.50.60.70.8弯腰挠度不应超过0.15d通常长度512m519m619m型号尺寸/mm截面面积/em2理论质量/(kg/m)参考数值hb

3、dtrr1X-Xy-yY1-Y1zo/cmWx/cm31x/cm4ix/cmWy/cm3Iy/cm4iy/cmIy/cm4550374.57.07.03.56.9285.43810.426.01.943.558.31.1020.91.356.363404.87.57.53.88.4516.63416.150.82.454.5011.91.1928.41.36880435.08.08.04.010.2488.04525.31013.155.7916.61.2737.41.4310100485.38.58.54.212.74810.00739.71983.957.8025.61.4154.91.5

4、212.6126535.59.09.04.515.69212.31862.13914.9510.238.01.5777.11.5914a140586.09.59.54.818.51614.53580.55645.5213.053.21.701071.7114b140608.09.59.54.821.31616.73387.16095.3514.161.11.691211.6716a160636.510.010.05.021.96217.2401088666.2816.373.31.831441_8016160658.510.010.05.025.16219.7521179356.1017.68

5、3.41.821611.7518a180687.010.510.55.225.69920.17414112707.0420.098.61.961901.8818180709.010.510.55.229.29923.00015213706.8421.5111.952101.8420a200737.011.011.05.528.83722.63717817807.8624.21282.112442.0120200759.011.011.05.532.83725.77719119107.6425.91442.092681.9522a220777.011.511.55.831.84624.99921823908.6728.21582.232982.10-