锻制扁钢(GBT6761-1997).doc

锻制扁钢(GB/T6761-1997)(1)尺寸规格宽度厚度 202530354045505560657075808590100110120130140150160理论重量406.287.859.42457.068.8310.60507.859.8111.813.715.7558.6410.813.015.117.3609.4211.814.116.518.821.123.66510.212.815.317.820.423.025.57011.013.716.519.222.024.727.530.233.07511.814.717.720.623.626.529.432.435.38012.615.718.822.025.128.331.434.537.740.844.09014.117.721.224.728.331.835.338.842.445.949.410015.719.623.627.531.435.339.243.247.151.055.058.962.866.711017.321.625.930.234.538.843.247.551.856.160.464.869.173.412018.823.628.333.037.742.447.151.856.561.265.970.675.480.113020.425.530.635.740.845.951.056.161.266.371.476.581.686.714022.027.533.038.544.049.455.060.465.971.476.982.487.993.498.911015023.629.435.341.247.153.058.964.870.676.582.388.394.210010611816025.131.437.744.050.256.562.869.175.481.687.994.210010711312613815117026.733.440.046.753.460.066.773.480.186.793.410010711312013314716018028.335.342.449.456.563.670.677.784.891.898.910611312012714115517018419819067.174.682.089.596.910411211912713414916417919420920070.678.586.494.210211011812613314115717318820422021074.282.490.798.910711512413214014816518119821423124726422077.786.495.0104112121130138147155173190207224242259276230135144153162180199217235253271289240141151160170188207226245264283301250147157167177196216235255275294314260153163173184204224245265286306326280165176187198220242264286308330352300177188200212236259283306330353377注:1、表中的理论质量，按密度为7.85kg/cm3计算。2、对高合金钢计算理论质量时，要采取相应的牌号的密度。 (2)允许偏差宽度厚度尺寸允许偏差尺寸允许偏差1组2组1组2组40-60+2.0-1.0+2.5-1.020-40+1.5-0.5+2.0-0.560-100+3.0-1.0 +3.5-1.040-60+2.0-1.0+2.5-1.0100-150+4.0-2.0+4.5-2.060-100+3.0-1.0+4.0-1.0150-200+