序号规格体积计算公式(Pi * h2 * r)-(Pi * h3 / 3)单重（体积*钢材比重0.00785）重量备注1100523.60.007854.110264.112120904.80.007857.102687.1031501767.150.0078513.8721213.8741803053.630.0078523.9709923.9752004188.790.0078532.8820032.8862205575.530.0078543.7655543.76728011494.040.0078590.228290.228螺栓球重量计算公式注: 1.pi：圆周率 2. h: 高度 3：r：半径
