機械設計必備方管理論重量表與計算公式

1、方管理論重量表、計算公式方管理論重量表、計算公式 型號理論重量（kg/m）型號理論重量（kg/m）20*20*1.20.7550*30*2.53.0225*25*1.20.9450*30*33.640*40*22.2950*32*22.240*40*2.53.0250*35*2.53.3240*40*44.6855*38*22.850*50*2.53.8160*40*2.53.8150*50*34.4460*40*34.4450*50*45.7460*40*45.7460*60*2.54.5270*50*47.0260*60*35.3880*60*37.0960*60*47.0280

2、*60*48.2270*70*48.2280*60*510.2570*70*510.290*40*2.55.1980*80*49.9690*60*510.4780*80*613.85100*60*37.3100*100*411.65100*60*49.16100*100*823100*60*511.53120*120*414.16100*60*4.514.41160*160*4.519.2160*80*4.515.84  220*80*6    27.1計算公式：4x壁厚x(邊長-壁厚)x7.85  其中，邊長和壁厚都以毫米

3、為單位，直接把數(shù)值代入上述公式，得出即為每米方管的重量，以克為單位。 如30x30x2.5毫米的方管，按上述公式即可算出其每米重量為： 4x2.5x(30-2.5)x7.85=275x7.85=2158.75克，即約2.16公斤 當壁厚和邊長都以毫米為單位時，4x壁厚x(邊長-壁厚)算出的是每米長度方管的體積，以立方厘米為單位，再乘以鐵的比重每立方厘米7.85克，得出即為每米方管以克為單位的重量。結構用碳素鋼冷成型圓截面和異形截面焊接鋼管和無縫鋼管 en10219-1-2006(歐標) 非合金及細晶粒的冷成型焊接空心結構型材 jis g

4、0;3466 (日標) 一般構造用角型鋼管產(chǎn)品材質(zhì)：q235、q345（16mn）、20#、合金鋼、不銹鋼。產(chǎn)品用途：機械設備、太陽能設備、鋼結構用，汽車部件、橋梁地樁、護欄、船舶內(nèi)部結構用。產(chǎn)品規(guī)格：產(chǎn)品部分參數(shù)     （gb/t3094-2000）邊長/mm壁厚/mm截面面積/cm2理論重量/kg/m慣性矩/cm4截面模數(shù)/cm3403.54.93.8511.165.5845.494.5614.376.8456.985.4816.567.8767.555.9315.347.675047.095.5625.5610.2258.58

5、6.7329.8111.9369.957.8133.3513.34711.218.836.2314.49812.359.738.5115.4160510.588.354.5718.19613.359.6961.8220.61714.011168.0322.68815.5512.2173.2824.4370512.589.8790.2625.79614.711.58103.129.47716.8113.19114.532.72818.7514.72124.535.5780514.5811.44138.934.72617.1513.46159.739.93719.6115.39178.544.63

6、821.9517.23195.448.8592516.9813.33217.147.19620.0315.72251.154.59722.9718.03282.361.38825.7920.25310.967.58100518.5814.58282.856.57621.9517.23328.265.54725.2119.79370.274.04828.3522.36408.981.78108519.9615.67346.9972.14623.5518.49400.0785.13727.0221.21448.1597.61830.3523.82491.42109.561036.6228.7556

7、4.27131.841242.3733.26620.05151.9112.543.7334.33631.48156.571447.5937.36660.12169.7116.553.3841.9690.13188.751856.4644.32698.5198.48110728.0121.99503.491.54831.5524.77557.9101.4934.9827.46608.4110.61037.4229.37600.9137.261243.3334.01661.57158.31448.7138.24705.79177.051653.5742.05734.96193.471857.945

8、.45750.37207.58120522.3617.55485.4789.79626.4320.75562.16106.17730.3823.85632.54121.99834.1926.84696.82137.231041.4232.15807.91165.941248.1337.78987.05192.031454.3142.639665.79216.231659.9747.081015.66237.3150633.6326.41145.91168.85738.7830.441299.44194.7843.7934.381443219.851053.4241.931701.21268.021262.5349.091922.61313.261471.1155.822109.19355.491679.1762.152262.95394.631801698.3777.224252.42590.5518108.385.024541.3648.77200859.7946.9436