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1、矩矩形形管管理理論論重重量量表表左左圖圖中中為為不不等等邊邊矩矩形形管管：b1：為為長(zhǎng)長(zhǎng)邊邊邊邊長(zhǎng)長(zhǎng)b2：為為短短邊邊邊邊長(zhǎng)長(zhǎng)t：為為壁壁厚厚x、y：為為截截面面特特性性序序號(hào)號(hào)尺尺寸寸(mm)(mm)截截面面積積cmcm2 2理理論論重重量量kg/mkg/m序序號(hào)號(hào)尺尺寸寸(mm)(mm)截截面面積積cmcm2 2理理論論重重量量kg/mkg/mb1b1b2b2t tb1b1b2b2t t150251.201.741.3731100503.008.646.7821.502.161.70324.0011.368.923302.503.752.94335.0014.0010.9943.004.42、43.4934120603.0010.448.2054.005.764.52354.0013.7610.80660302.504.253.34365.0017.0013.3573.005.043.96376.0020.1615.8384.006.565.1538803.0011.649.149402.504.753.73394.0015.3612.06103.005.644.43405.0019.0014.92114.007.365.78416.0022.5617.711270503.006.845.3742140804.0016.9613.31134.008.967.03435.0021.03、016.48145.0011.008.64446.0024.9619.591580402.505.754.5145150 1004.0019.3615.20163.006.845.37465.0024.0018.84174.008.967.03476.0028.5622.42185.0011.008.64488.0037.4429.3919603.008.046.3149160804.0018.5614.57204.0010.568.29505.0023.0018.05215.0013.0010.21516.0027.3621.482290403.007.445.84528.0035.84284、.13234.009.767.6653180 1004.0021.7617.08245.0012.009.42545.0027.0021.2025503.008.046.31556.0032.1625.25264.0010.568.29568.0042.2433.16275.0013.0010.2157200 1004.0023.3618.3428603.008.646.78585.0029.0022.77294.0011.368.92596.0034.5627.13305.0014.0010.99608.0045.4435.6790180 100方方形形管管理理論論重重量量表表左左圖圖中中為5、為等等邊邊矩矩形形管管：b1、b2：為為等等邊邊邊邊長(zhǎng)長(zhǎng)t：為為壁壁厚厚x、y：為為截截面面特特性性序序號(hào)號(hào)尺尺寸寸(mm)(mm)截截面面積積cmcm2 2理理論論重重量量kg/mkg/m序序號(hào)號(hào)尺尺寸寸(mm)(mm)截截面面積積cmcm2 2理理論論重重量量kg/mkg/mb1b1b2b2t tb1b1b2b2t t1251.201.140.9023903.0010.448.2021.501.411.11244.0013.7610.8031.751.631.28255.0017.0013.3542.001.841.44266.0020.1615.835302.502.752.1627106、04.0015.3612.0663.003.242.54285.0019.0014.927402.503.752.94296.0022.5617.7183.004.443.49301204.0018.5614.5794.005.764.52315.0023.0018.0510502.504.753.73326.0027.3621.48113.005.644.43338.0035.8428.13124.007.365.78341404.0021.7617.0813602.505.754.51355.0027.0021.20143.006.845.37366.0032.1625.25154.0087、.967.03378.0042.2433.16165.0011.008.64381604.0024.9619.5917703.008.046.31395.0031.0024.34184.0010.568.29406.0036.9629.01195.0013.0010.21418.0048.6438.1820803.009.247.25214.0012.169.55225.0015.0011.78方方矩矩形形鋼鋼管管理理論論重重量量計(jì)計(jì)算算表表：正正方方形形和和長(zhǎng)長(zhǎng)方方形形(矩矩形形)截截面面碳碳鋼鋼鋼鋼管管每每米米重重量量單單位位：kg/m(千千克克/米米),lb/ft(磅磅/英英尺尺)。公公8、式式:kg/m=(Oc-4Wt)Wt0.00785其其中中：Oc是是鋼鋼管管外外周周長(zhǎng)長(zhǎng)，Wt是是鋼鋼管管壁壁厚厚；正正方方形形Oc=4a；長(zhǎng)長(zhǎng)方方形形Oc=2a+2b；a,b是是邊邊長(zhǎng)長(zhǎng)。通通俗俗的的解解釋釋為為：4壁壁厚厚(邊邊長(zhǎng)長(zhǎng)-壁壁厚厚)7.85其其中中，方方管管邊邊長(zhǎng)長(zhǎng)和和壁壁厚厚都都以以毫毫米米為為單單位位，直直接接把把數(shù)數(shù)值值代代入入上上述述公公式式，得得出出即即為為每每米米方方管管的的重重量量。如如30302.5毫毫米米的的方方管管，按按上上述述公公式式即即可可算算出出其其每每米米重重量量為為：42.5(30-2.5)7.85=2757.85=2158.75克克，即即約約2.9、16公公斤斤。當(dāng)當(dāng)壁壁厚厚和和邊邊長(zhǎng)長(zhǎng)都都以以毫毫米米為為單單位位時(shí)時(shí)，44壁壁厚厚(邊邊長(zhǎng)長(zhǎng)-壁壁厚厚)算算出出的的是是每每米米長(zhǎng)長(zhǎng)度度方方管管的的重重量量，以以立立方方厘厘米米為為單單位位，再再乘乘以以鐵鐵的的比比重重每每立立方方厘厘米米7.857.85克克，得得出出即即為為每每米米方方管管以以克克為為單單位位的的重重量量。方方矩矩形形鋼鋼管管理理論論重重量量計(jì)計(jì)算算表表：正正方方形形和和長(zhǎng)長(zhǎng)方方形形(矩矩形形)截截面面碳碳鋼鋼鋼鋼管管每每米米重重量量單單位位：kg/m(千千克克/米米),lb/ft(磅磅/英英尺尺)。公公式式:kg/m=(Oc-4Wt)Wt0.00785其其中中：Oc是是10、鋼鋼管管外外周周長(zhǎng)長(zhǎng)，Wt是是鋼鋼管管壁壁厚厚；正正方方形形Oc=4a；長(zhǎng)長(zhǎng)方方形形Oc=2a+2b；a,b是是邊邊長(zhǎng)長(zhǎng)。通通俗俗的的解解釋釋為為：4壁壁厚厚(邊邊長(zhǎng)長(zhǎng)-壁壁厚厚)7.85其其中中，方方管管邊邊長(zhǎng)長(zhǎng)和和壁壁厚厚都都以以毫毫米米為為單單位位，直直接接把把數(shù)數(shù)值值代代入入上上述述公公式式，得得出出即即為為每每米米方方管管的的重重量量。如如30302.5毫毫米米的的方方管管，按按上上述述公公式式即即可可算算出出其其每每米米重重量量為為：42.5(30-2.5)7.85=2757.85=2158.75克克，即即約約2.16公公斤斤。當(dāng)當(dāng)壁壁厚厚和和邊邊長(zhǎng)長(zhǎng)都都以以毫毫米米為為單單位位時(shí)時(shí)，44壁壁厚厚(邊邊長(zhǎng)長(zhǎng)-壁壁厚厚)算算出出的的是是每每米米長(zhǎng)長(zhǎng)度度方方管管的的重重量量，以以立立方方厘厘米米為為單單位位，再再乘乘以以鐵鐵的的比比重重每每立立方方厘厘米米7.857.85克克，得得出出即即為為每每米米方方管管以以克克為為單單位位的的重重量量。