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1、方钢尺寸规格参数表(1) 尺 寸规格 见表 6 40- 表 6 45。国 标号 GB/76728-2007表 6-40冷拔无缝方形钢管的尺寸规格基本尺寸AS截面面积 Fcm2理论质量 G(kg m)惯性矩 J=Jy cm4截面系数 W=W cm3xxymmO.8O.348O.273O.0739O.123121.00 4230.332O.0873O.1461.00.503O.3940.144O.206141.5O.712O.559O.1920.2741.OO.583O.458O.222O.278161.5O.8320.653O.300O.3741.O0.663O.521O.324O.360181
2、.50.9520.747O.442O.4912.O1.21O.9520.5350.5951.0O.7430.583O.4530 4531.51.07O.8410.624O.624202.01.371.08O.763O.7632.51.641.29O.874O.8741O.823O.646O.612O.556221.51.19O.9360.850O.773271.531.201.05O.95312.51.841.451.211.102.52.141.681.861.492532.491.952.081.572.52.642.083.412.2733.012.423.862.58303.53.50
3、2.754.252.8343.893.054.583.052.52.842.234.212.633233.332.614.793.003.53 782.975.293.313244.213.305.733.582.53.142.475.543.2233.692.896.453.68353.54.203.307.164.0944.683.687.784.4555.584.388.795.022.53.242.556.183.4333.812.997.073.93363.54.3_43.4l7.874.3744.853.8l8.564.7655.754.539.705.392.53.642.868
4、.684.3434.293.379.984.993.54.903.8511.165.584045.494.3l12.216.1l56.585.1613.986.9967.555.9315.347.672.53.843.0210.154.834234.533.5511.705.5723.55.184.0713.106.2445.814.5614.376.8456.985.4816.567.8768.036.3018.228.583.55.604.4016.437.304546.234.9418.078.0357.585.9520.909.2968.756.8723.19lO.314579.817
5、.8024.9711.10810.88.4426.3011.5947.095.5625.5610.2258.586.7329.8111.935069.957.8l33.3513.34711.218.8036.2314.49812.359.7038.5115.4147.896.1934.8712.5859.587.5240.9514.8955611.158.7546.1316.77712.519.9050.4718.35813.9510.9554.0419.6548.696.8246.2115.4510.588.3054.5718.1960612.359.6961.8220.61714.0l11
6、.0068.0322.68815.5512.2173.2824.4349.497.4559.7818.39511.589.0770.9221.8265613.5510.6480.7224.84715.4112.1089.2727.463817.1513.4796.6429.74410.298.0875.7821.6570512.589.8790.2625.79614.711.58103.129.47716.8113.19114.532.7270818.7514.72124.535.57411.098.7094.425.17513.5810.66112.830.0875615.9512.5212
7、9.434.50718 2114.29144.238.44820.3515.98157.341.94411.899.33115.928.96514.5811.44138.934.7280617.1513.46159.739.93719.6115.39178.544.63821.9517.23195.448.85516.9813.33217.147.19620.0315.72251.154.59722.9718.03282.361.38825.7920.25310.967.58518.5814.58282.856.57621.9517.23328.265.54100725.2119.79370.
8、274.04828.3522.26408.981.78728.0121.99503.491.54110831.5524.77557.9101.4934.9827.46608.411O.6注：理论质量计算G=0.0157S(A+A一 2.8584S)4式 中G 每 米 钢 管 的 质 量 (kg m)；A 方 形 钢 管 的 边 长 (mm) ；S 方 形 钢 管 的 公 称 壁 厚 (mm).以 钢 管 R=1.5S时 ， 钢 的 密 度 为 7.85g cm3 的 计 算 公 式 。表 6-41 冷拔无缝矩形钢管的尺寸规格基本尺寸惯性矩截面系数截面面积 F理论质量 GABSJxJyWxwy
9、cm2(kg m)mmcm4cm30.8O.203O.160O.0074O.02390.02970.0478lO5lO.243O.191O.0082O.02700.03290.05470.80.2350.185O.0088O.0388O.0354O，06465l0.2830.2220.0099O.0449O.0395O.074812O.8O.2510.1970.0139O.0438O.04620.07306lO.3030.2380.01570.0509O.0524O.08490.80.283O.2230.01600.06540.0535O.0935610.343O.269O.01820.0767O.0608O.1101.5O.471O.370O.0215O.0973O.0715O.139140.80.299O.2350.0233O.0724O.0665O.1047lO.3630.285O.0268O.08520
