方管理論重量表、計算公式型號方管理論重量表、計算公式理論重量（kg/m）理論重量（kg/m）型號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*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*511.53TOC\o"1-5"\h\z120*120*414.16100*60*4.514.41160*160*4.519.2160*80*4.515.84220*80*627.1計算公式：4*壁厚*（邊長-壁厚）*7?85其中，邊長和壁厚都以毫米為單位，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。管理論重量表計算公式：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。正方形和長方形（矩形）截面碳鋼計算公式：每米重量單位:kg/m（千克/米）&lb/ft（磅/英尺）公式:kg/m=（Oc-4Wt）*Wt*0.00785其中：Oc是外周長，Wt是壁厚；正方形Oc=4*a長方形Oc=2a+2ba,b是邊長管徑（mm）厚度（mm）元/支kg/支元/噸10口100.5018.70.912070010口100.6024.21.0922000

10口100.7028.81.262250010口100.80331.432330010口100.9038.51.592390010口101.00431.752420010口101.20442.0718700無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表12.5口12.50.6027.51.371980012.5口12.50.7027.51.592030012.5口12.50.80371.812100012.5口12.50.90382.0222000無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表口12.51.00502.2324000口12.51.2(A)532.6423000

口12.5口12.5口12.51.20601.5(A)661.50732.64228003.23220003.2326400口15.20.50251.4117900口15.20.60321.6818900口12.5口12.5口12.51.20601.5(A)661.50732.64228003.23220003.2326400口15.20.50251.4117900口15.20.60321.6818900口15.20.70391.9519800理論重量大全表口15.20.90502.482100015.215.21.00572.742200015.215.2口15.20.90502.482100015.215.21.00572.742200015.215.21.2(A)643.2623100口15.21.20683.262090015.2口15.21.5(A)804.001980015.2口15.21.50934.002320015.2口15.22.0(A)1165.192300015.2口15.22.001465.1927800無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表口19.1口口19.1口19.1口19.1口19.1口19.1口19.10.60390.70470.80550.90641.00711.2(A)792.13168002.47181002.8119700192001920019000口19.11.20844.152030019.1口19.11.5(A)945.121880019.1口19.11.501165.122230019.1口19.12.0(A)1406.682050019.1口19.12.001606.682390020口201.00763.6620600無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表20口201.2(A)854.351940020口201.20904.352050020口201.5(A)1015.381880020口201.501265.382210020口202.0(A)1437.022020020口202.001657.0223600

22.2口22.20.60462.481870022.2口22.20.70562.891836022.2口22.20.80663.292010022.2口22.20.90773.6820500無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表口22.21.0084口22.21.00844.0820600口22.21.2(A)口22.21.20口22.21.5(A)口22.21.50口22.22.0(A)934.86193001004.86204001126.00187001326.00220001597.8620400口22.22.001887.862710025.4口25.40.60512.851810025.4口25.40.70633.311860025.4口25.40.80733.771870025.4口25.40.90734.2318900無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表口25.4口口25.4口25.4口25.4口25.4口25.4口25.41.00931.2(A)1021101.5(A)1241432.0(A)1714.69191005.59184005.59197006.92179006.92211009.0718800口25.42.002009.0722100oommCXIodoLn.I00T8Tmcxl0663<)Lnu0066T》9?9CXImTOCXI.T00Z8T179.917CXIT<)CXI.Tomomom□omom□omom□om0066TCXI0.LH80T00m6T目.寸S。。卜鳴m6.m仁00CXI8Tzm.mT9OOTLnCXIE.mTTmm。。寸mcxl9TTTT9CXI。66om□om。8.0om□om。〔0om□om。9.0om□omoo.mIZ.LnCXI□》.LncxloLn.CXIwLnCXI□株長謎璀E99,Z6OSOOUIJ.SKSOZqSOddocn30口3030口3030口3031.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.82.0(A)229TOC\o"1-5"\h\z30口3030口3030口3031.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.831.8口31.85.91204007.05191007.05204008.75187008.752200011.511880011.5119800230007.102010038.1口38.11.2(A)1608.491870038.1口38.11.201698.4919900無縫方管價格表：無縫方管宜銷處*天津無縫方管供應(yīng)商(方管價格表&無縫方管理論重量大全表38.1口38.11.5(A)19110.541810038.1口38.11.5022510.542140038.1口38.12.0(A)25813.911870038.1口38.12.0030313.912200038.1口38.12.5038317.202230038.1口38.13.0047620.422230040口401.001517.472020040口401.2(A)1678.921880040口401.201788.9220000

40口401.5(A)20211.091830040口401.5023811.092190040口402.0(A)26914.631840040口402.0031514.632180040口402.5040218.1122400無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表40口403.0044321.5023300TOC\o"1-5"\h\z50口501.0050口501.2(A)50口501.2050口501.5(A)50口501.501879.372000020911.211870022211.211980025013.941800029713.942020050口502.0(A)33718.441720050口502.0039718.442180050口502.5049822.872090050口503.0061927.212270050口504.0086335.692420060口601.2(A)25713.491900060口601.2027313.492030060口601.5(A)30016.801870060口601.5036516.802190060口602.0(A)41222.251870060口602.0045522.252200060口602.5060039.512000060口603.0073532.932230060口604.00102843.202376060口605.00138953.3826000無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表70口701.5(A)36719.661870070口701.5043319.662200070口702.0(A)48926.061880070口702.0057526.062210070口702.5070032.382180070口703.0086138.642240070口704.00118950.922330070口705.00160362.9025630

76.2口76.21.5(A)40721.431870076.2口76.21.5045021.432240076.2口76.22.0(A)54328.421920076.2口76.22.0063828.422240076.2口76.22.5078235.342200076.2口76.23.0094142.182230076.2口76.24.00140955.642330076.2口76.25.00176068.802560080口801.5(A)41322.511840080口801.5048822.512200080口802.0(A)55229.871870080口802.0065029.8721500

80口802.5080437.142200080口803.0098644.352220080口804.00136458.5423300無縫方管價格表：80口802.5080437.142200080口803.0098644.352220080口8080口805.00181072.422510090口902.0(A)64033.671910090口902.0075333.672230090口902.5091941.902200090口903.00111350.062220090口904.00153866.152320090口905.00200081.9425100100口1002.0(A)69037.4818600100口100100口100100口100100100口100100口100100口100100口100100口100100口100110口110110口110110口110110口110110口110120口12011003.0012214.0017005.0022306.00269011523.0014004.0018905.0024606.00293412642180046.6622000232002320091.4624400108.862480051.42226002300081.3822200100.9824400120.282480056.1822500120口120120口120120口120120口120125口125TOC\o"1-5"\h\z3.0015264.0021005.0026876.003410145067.2023000120口120120口120120口120120口120125口125125口1253.00172070.0525300無縫方管價格表：無縫方管直銷處*天津無縫方管供應(yīng)商（方管價格表&無縫方管理論重量大全表TOC\o"1-5"\h\z125口1254.00125口1255.00125口1256.00130口1303.00235092.81245003000115.26267003700137.4227000187872.9125800130口1304.00252096.6126100TOC\o"1-5"\h\z130口1305.00130口1306.00150口1503.00150口1504.00150口1505.00150口1506.0010口200.5010口200.6010口200.7010口200.8010口200.9010口201.002918120.02243003542143.1324700198084.33234002664111.85238003381139.06243004096165.9724700TOC\o"1-5"\h\z261.3919000331.6620000391.9320700462.1921300542.4522000602.712220010口201.2(A)683.212130010口201.20